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51. Room temperature excitonic stimulated emission from zinc oxide epilayers grown by plasma-assisted MBE

Author

Takenari Goto, Mengyan Shen, Takafumi Yao, Darren M. Bagnall, Ziqiang Zhu, and Yefan Chen

Subjects
Photoluminescence, Chemistry, business.industry, Astrophysics::High Energy Astrophysical Phenomena, Exciton, Analytical chemistry, Condensed Matter Physics, Laser, law.invention, Inorganic Chemistry, Condensed Matter::Materials Science, law, Materials Chemistry, Optoelectronics, Spontaneous emission, Stimulated emission, Emission spectrum, business, Lasing threshold, Molecular beam epitaxy
Abstract

Spontaneous, stimulated and laser emission spectra of ZnO epitaxial layers, grown by plasma-assisted molecular beam epitaxy, are presented. Samples are found to exhibit high-intensity near band-edge emissions at room temperature, this is attributed to a dramatic reduction in the intensity of the deep-level emission which dominates ZnO produced by other techniques. Stimulated emission at room temperature is found to be due to exciton—exciton scattering at intermediate excitation intensities while at higher excitation intensities electron—hole plasma emission dominates. An example of longitudinal cavity modes is provided, clearly showing lasing at room temperature.

Published
1998

52. Growth of ZnO single crystal thin films on c-plane (0 0 0 1) sapphire by plasma enhanced molecular beam epitaxy

Author

Ziqiang Zhu, Kenji Hiraga, Takenari Goto, S. Koyama, Darren M. Bagnall, Ki-Tae Park, Yefan Chen, Mengyan Shen, Takafumi Yao, and Takashi Sekiuchi

Subjects
Photoluminescence, business.industry, Chemistry, Exciton, Nucleation, Condensed Matter Physics, Inorganic Chemistry, Optics, Materials Chemistry, Sapphire, Optoelectronics, Stimulated emission, Thin film, business, Single crystal, Molecular beam epitaxy
Abstract

ZnO single crystal thin films were grown by plasma enhanced molecular beam epitaxy on (0 0 0 1) sapphire. The growth modes of ZnO epilayers were investigated by reflection high-energy electron diffraction. A transition from two-dimensional nucleation to three-dimensional nucleation is found at the initial growth stage. Optical properties of the films, studied by photoluminescence spectroscopy, exhibit a dominant bound exciton emission at 3.361 eV at 4 K, and a deep level emission centered at 2.42 eV which is associated with either impurities or native defects. The deep level emission which is successfully suppressed to 1 500 of intensity of the excitonic emission. Fabrication of these high-quality ZnO epilayers had lead to observation of stimulated emission at room temperature.

Published
1997

53. Self-Organized Growth of II-VI Wide Bandgap Quantum Dot Structures

Author

E. Kurtz, Takafumi Yao, Y. Segawa, Tetsuji Yasuda, Takashi Sekiguchi, K. Arai, P. Tomashini, Ziqiang Zhu, Darren M. Bagnall, F. Lu, and Yefan Chen

Subjects
Materials science, Quantum dot, business.industry, Band gap, Nucleation, Optoelectronics, Nanotechnology, Facet, Condensed Matter Physics, business, Quantum, Electronic, Optical and Magnetic Materials, Wetting layer
Abstract

We present our recent investigations on the self-organized growth and optical properties of quantum structures including CdSe quantum dots (QDs) embedded in ZnSe, ZnSe QDs in ZnS, and ZnO quantum pyramids. The self-organized mechanism is shown to play an important role in the formation of CdSe QDs on ZnSe(111). The ZnSe QDs are found to form on a 1 ML thick ZnSe wetting layer embedded in ZnS(100). The self-organized ZnO quantum pyramids form on ZnO(0001) buffer layers through preferred facet nucleation rather than strain-induced islanding.

Published
1997

54. Simulation platform for dynamic photovoltaic arrays

Author

Darren M. Bagnall, Jonathan Storey, and Peter R. Wilson

Subjects
Dynamic array, Engineering, Traverse, business.industry, Photovoltaic system, Benchmark (computing), Electronic engineering, Key (cryptography), Control reconfiguration, Network topology, business, Energy (signal processing)
Abstract

This paper describes the key properties and functions required by a simulation platform in order to aid the design of dynamically reconfigurable photovoltaic array architectures and algorithms. The simulator uses device level models and the architecture allows the designer to traverse the hierarchy until the complete system has been described. By changing the model at the lowest level, any PV technology can be applied to the switching structure and accuracy is dependent on the complexity of the model used. A structured simulation framework enables various DPVA topologies and reconfiguration strategies to be virtually realised and compared under any irradiance profile. Other features such as bypass diodes or returned energy schemes can be easily implemented and sources of power loss can also be analysed. The simulation platform has been tested using a number of benchmark shading scenarios which are applied to various dynamic array architectures. The results allow a direct comparison of performance between different array architectures and algorithms.

Published
2013

55. The alternating current dynamic photovoltaic array

Author

Jonathan Storey, Darren M. Bagnall, and Peter R. Wilson

Subjects
Dynamic array, Engineering, business.industry, Photovoltaic system, Electrical engineering, H bridge, Maximum power point tracking, law.invention, law, Electronic engineering, Grid-connected photovoltaic power system, Inverter, business, Alternating current, Voltage
Abstract

The use of switches within a photovoltaic arrays architecture is gaining recognition as an optimal solution to the partial shading problem because it allows the array to behave in a flexible manner which is ideal for rapid response to unpredictable shading environments. Although that has been the driving force behind recent research, an interesting alternative reason for implementing a dynamic array is that it is able to exhibit complex behaviours. One such behaviour is the ability to directly synthesize an alternating current by the switching of DC cells in a controlled sequence. Voltage inversion is a very well researched field and commercial inverters can achieve very high efficiencies (typically over 95%). However, high powered models are expensive and are often the cause of system failure. This paper discusses the concept of AC synthesis through the switching of PV sources and looks at the similarities with the conventional cascaded H bridge multilevel inverter. A basic Alternating current dynamic photovoltaic array (AC-DPVA) is disclosed and a theoretical solution to extracting maximum power is discussed. Many interesting new features are evident and implementing a PV array like this can ultimately remove the need for and inverter altogether.

Published
2013

56. Improved optimization strategy for irradiance equalization in dynamic photovoltaic arrays

Author

Darren M. Bagnall, Jonathan Storey, and Peter R. Wilson

Subjects
Flexibility (engineering), Dynamic array, Profiling (computer programming), Engineering, Sorting algorithm, business.industry, Photovoltaic system, Equalization (audio), Control reconfiguration, Power (physics), Electronic engineering, SDG 7 - Affordable and Clean Energy, Electrical and Electronic Engineering, business
Abstract

This paper proposes an improved strategy for the optimization of dynamic photovoltaic arrays (DPVAs) utilizing the “irradiance equalization” (IEq) reconfiguration strategy. This type of reconfigurable array is already very robust as it amalgamates the flexibility of dynamic reconfiguration with the averaging ability of total cross-tied array architecture. This paper identifies four areas to further increase the power yield and significantly reduce the time for a return on investment. Results indicate potential efficiency improvements of more than 10% in some cases, and between 4% and 10% across a number of random and abrupt shading conditions. As in any DPVA system, the proposed approaches require additional hardware and advanced control algorithms compared to a static PV array, but anyone implementing a dynamic array has already committed themselves to including the majority of this infrastructure. This investigation supports the idea of a fully dynamic IEq-DPVA with the ability to resize its array dimensions while implementing a rapid sorting algorithm based on information gathered using a novel precision irradiance profiling technique.

Published
2013

57. Ultrafine graphene nanodevice fabrication

Author

Zakaria Moktadir, Hiroshi Mizuta, Darren M. Bagnall, Nima Kalhor, Harvey N. Rutt, Stuart A. Boden, and Shuojin Hang

Subjects
Fabrication, Materials science, Graphene, law, Nanotechnology, Nanodevice, law.invention
Published
2013

58. Electron beam pumping of CdZnSe quantum well laser structures using a variable energy electron beam

Author

B. C. Cavenett, P. C. Smith, Peter J. Wright, F. McGow, J.T. Mullins, Darren M. Bagnall, K.P. O'Donnell, W. McCallum, B. Cockayne, Kevin Alan Prior, G. Horsburgh, and Carol Trager-Cowan

Subjects
Chemistry, Energy-dispersive X-ray spectroscopy, Condensed Matter Physics, Laser, Beam parameter product, law.invention, Inorganic Chemistry, law, Electron beam welding, Materials Chemistry, Physics::Accelerator Physics, M squared, Quantum well laser, Laser beam quality, Atomic physics, Quantum well
Abstract

In this paper we present experimental results on electron beam pumping of MBE and MOVPE lasers with CdZnSe single quantum wells. Laser emission in the green and blue occurs under pulsed excitation, with threshold power densities typically less than 2 kW/cm 2 at low temperatures. Threshold curves obtained at different electron beam energies show that there is an optimum electron beam energy for wells at a given depth below the surface. This suggests that it is possible to match the electron beam energy to a given structure. Results are broadly consistent with Monte Carlo calculations of the depth dependence of the energy deposition of the electron beam.

Published
1996

59. Overexcited CdSe quantum well lasers

Author

F. Torabi-Goudarzi, Darren M. Bagnall, B. Cockayne, K.P. O'Donnell, Peter J. Wright, and P. G. Middleton

Subjects
Chemistry, business.industry, Laser pumping, Condensed Matter Physics, Laser, law.invention, Semiconductor laser theory, Inorganic Chemistry, Optical pumping, Optics, law, Excited state, Materials Chemistry, Nitrogen laser, Stimulated emission, Atomic physics, business, Quantum well
Abstract

Low-temperature studies of Cd(Zn)Se single quantum well lasers are reported. The MOVPE-grown samples lase in the true blue spectral region under pulsed nitrogen laser excitation. A microscopic technique allows accurate control of both the size and shape of the excited area. It has been possible to isolate high quality regions of a given sample for gain measurements. Thresholds of order 1 kW cm−2 are routinely obtainable. The microscopic approach also allows a convincing display of temporally stable mode strcture. In this presentation, we emphasise the stimulated emission spectra of samples selectively excited at very high intensity (up to 1000 times the laser threshold). At moderate levels of overstimulation the well emission broadens and its peak shifts to higher energy. The peak shift saturates at 25 meV. Upon saturation of the well, two distinct bands appear at higher energy. One of these corresponds in energy to the P-band of ZnSe, while the other shows the spectral characteristics of a 2D electron-hole plasma. We discuss these results in terms of the dynamics of carrier interchange between well and barrier.

Published
1996

60. Ionoluminescence in the helium ion microscope

Author

Stuart A. Boden, Thomas M.W. Franklin, Darren M. Bagnall, Larry Scipioni, and Harvey N. Rutt

Subjects
Ions, Microscopy, Materials science, Luminescence, Ion beam, Band gap, Scanning electron microscope, Cathodoluminescence, Helium, Secondary electrons, Antibodies, Fluorescence, Condensed Matter::Materials Science, Quantum dot, Quantum Dots, Microscopy, Electron, Scanning, Nanoparticles, Atomic physics, Instrumentation, Field ion microscope, Fluorescent Dyes
Abstract

Ionoluminescence (IL) is the emission of light from a material due to excitation by an ion beam. In this work, a helium ion microscope (HIM) has been used in conjunction with a luminescence detection system to characterize IL from materials in an analogous way to how cathodoluminescence (CL) is characterized in a scanning electron microscope (SEM). A survey of the helium ion beam induced IL characteristics, including images and spectra, of a variety of materials known to exhibit CL in an SEM is presented. Direct band-gap semiconductors that luminesce strongly in the SEM are found not do so in the HIM, possibly due to defect-related nonradiative pathways created by the ion beam. Other materials do, however, exhibit IL, including a cerium-doped garnet sample, quantum dots, and rare-earth doped LaPO4 nanocrystals. These emissions are a result of transitions between f electron states or transitions across size dependent band gaps. In all these samples, IL is found to decay with exposure to the beam, fitting well to double exponential functions. In an exploration of the potential of this technique for biological tagging applications, imaging with the IL emitted by rare-earth doped LaPO4 nanocrystals, simultaneously with secondary electron imaging, is demonstrated at a range of magnifications.

Published
2012

61. Microspectroscopic Studies of CdSe Single Quantum Well Lasers

Author

B. Cockayne, Darren M. Bagnall, K.P. O'Donnell, and Peter J. Wright

Subjects
Materials science, Mechanics of Materials, business.industry, law, Mechanical Engineering, Microscopy, Optoelectronics, General Materials Science, Condensed Matter Physics, business, Laser, Quantum well, law.invention
Published
1995

62. Fabrication and characterization of n-ZnO/p-AlGaN heterojunction light-emitting diodes on 6H-SiC substrates

Author

Darren M. Bagnall, David C. Look, M. V. Chukichev, A. E. Cherenkov, E. V. Kalinina, B. M. Ataev, A. K. Omaev, and Ya. I. Alivov

Subjects
Materials science, Physics and Astronomy (miscellaneous), business.industry, Analytical chemistry, Wide-bandgap semiconductor, Heterojunction, Chemical vapor deposition, Electroluminescence, Epitaxy, law.invention, Reverse leakage current, law, Optoelectronics, business, Light-emitting diode, Diode
Abstract

We report on the fabrication of n-ZnO/p-AlGaN heterojunction light-emitting diodes on 6H-SiC substrates. Hydride vapor phase epitaxy was used to grow p-type AlGaN, while chemical vapor deposition was used to produce the n-type ZnO layers. Diode-like, rectifying I-V characteristics, with threshold voltage ~3.2V and low reverse leakage current ~10(-7)A, are observed at room temperature. Intense ultraviolet emission with a peak wavelength near 389 mn is observed when the diode is forward biased; this emission is found to be stable at temperatures up to 500K and shown to originate from recombination within the ZnO.

Published
2003

63. [Untitled]

Author

A. Papakostas, Darren M. Bagnall, R. Greef, Nikolay I. Zheludev, Harry J. Coles, and A. Potts

Subjects
Materials science, business.industry, Physics::Optics, Metamaterial, Dielectric, Condensed Matter Physics, Polarization (waves), Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Optics, Electrical and Electronic Engineering, Photonics, Optical rotation, business, Chirality (chemistry), Refractive index, Electron-beam lithography
Abstract

We report the first optical results due to the effects of two-dimensional (2D) chirality. Using electron beam lithography we have fabricated arrays of metallic planar chiral structures on dielectric substrates, with characteristic dimensions in the near infra-red, and observed the effects of their chirality on the polarization states of diffracted light. The results showed strong polarization effects, with the handedness of the individual elements having a direct effect on the sense and magnitude of rotation of the diffracted light. We believe such structures could, in the future, form the core of a new class of meta-materials with refractive indices engineered to suit individual optical applications.

Published
2003

64. Spectral tunability of plasmonic scattering by silver nanodiscs near a reflector

Author

Tristan L. Temple, Darren M. Bagnall, and Rufina S.A. Sesuraj

Subjects
Materials science, business.industry, Scattering, Physics::Optics, Reflector (antenna), Dielectric, Wavelength, Optics, Optoelectronics, Plasmonic solar cell, business, Absorption (electromagnetic radiation), Plasmon, Electron-beam lithography
Abstract

The scattering properties of a plasmonic array can be reinforced by placing the array near a planar reflector. Finite- Difference-Time-Domain (FDTD) simulations have been used to demonstrate the key design challenge of modulating the electric field that drives the plasmonic scattering, by varying the distance of a single Ag nanodisc from a Ag reflector. We show that the thickness of the dielectric separation layer plays a critical role in determining the spectral characteristics and the intensity of the power scattered by a Ag nanodisc near a reflector. A possible application of the designed structure as a plasmonic light-trap for thin Si solar cells is also experimentally demonstrated. Electron-beam lithography has been used to fabricate a pseudo-random array of 150nm plasmonic Ag nanodiscs on SiO 2 on a Ag reflector substrate. The plasmonic reflector shows a high diffuse reflectance of ~54% in the near-infrared, near-bandgap 600-900nm wavelength region for thin Si solar cells, with a low broadband absorption loss of ~18%. Wavelength-angle resolved scattering measurements indicate an angular scattering range between 20° to 80° with maximum intensity of the scattered power in the 20° to 60° angular range.

Published
2012

65. Compact Fabry-Perot electro-optic switch based on n-ZnO/p-Si heterojunction structure

Author

R. Gunn, Owain Clark, E. Jaberansary, Darren M. Bagnall, Suhana Mohamed Sultan, T. Sharp, Harold M. H. Chong, and T. M. Ben Masaud

Subjects
Silicon photonics, Materials science, business.industry, Biasing, Heterojunction, Optical modulation amplitude, Optical microcavity, Optical switch, law.invention, Optics, law, Optoelectronics, business, Fabry–Pérot interferometer, Diode
Abstract

We present a hybrid waveguide-based optical switch using n-ZnO/p-Si heterojunction diode structure. The n-ZnO/p-Si vertical diode is incorporated with a Fabry-Perot microcavity to realize optical switching through electrical biasing. The ZnO layer functions as n-type transparent oxide semiconductor and waveguide cladding. Under 4V reverse bias (depletion), simulation shows a modulation depth of 5.54dB and tunable red-shift of 4nm over a cavity length of 17µm. A Fabry-Perot microcavity of 20µm length has been fabricated and measurement shows a tunable blue-shift of 0.1nm under 10V forward bias condition (accumulation).

Published
2012

66. Fabrication and ab initio study of downscaled graphene nanoelectronic devices

Author

Nobuo Otsuka, Darren M. Bagnall, Yoshishige Tsuchiya, Hiroshi Mizuta, Harold M. H. Chong, Stuart A. Boden, Dam Hieu Chi, Shuojin Hang, Harvey N. Rutt, Nima Kalhor, Nguyen Tien Cuong, Marek E. Schmidt, Zakaria Moktadir, Manoharan Muruganathan, Pribat, Didier, Lee, Young-Hee, and Razeghi, Manijeh

Subjects
Materials science, Ion beam, Carrier scattering, Graphene, Ab initio, Nanotechnology, law.invention, Nanolithography, law, Physics::Atomic and Molecular Clusters, Physics::Atomic Physics, Physics::Chemical Physics, Bilayer graphene, Graphene nanoribbons, Field ion microscope
Abstract

In this paper we first present a new fabrication process of downscaled graphene nanodevices based on direct milling of graphene using an atomic-size helium ion beam. We address the issue of contamination caused by the electron-beam lithography process to pattern the contact metals prior to the ultrafine milling process in the helium ion microscope (HIM). We then present our recent experimental study of the effects of the helium ion exposure on the carrier transport properties. By varying the time of helium ion bombardment onto a bilayer graphene nanoribbon transistor, the change in the transfer characteristics is investigated along with underlying carrier scattering mechanisms. Finally we study the effects of various single defects introduced into extremely-scaled armchair graphene nanoribbons on the carrier transport properties using ab initio simulation.

Published
2012

67. Mucoadhesion

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

68. Microcantilever Chemical and Biological Sensors

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

69. Motion Sensors

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

70. Meniscus Adhesion

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

71. Metal Plating

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

72. Micro Coulter

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

73. Micro FACS

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

74. Nanofabrication with the Helium Ion Microscope

Author

Stuart A. Boden, Harvey N. Rutt, Darren M. Bagnall, Hiroshi Mizuta, Feras M. Alkhalil, and Zakaria Moktadir

Subjects
Materials science, Silicon, Ion beam, Ion beam mixing, business.industry, chemistry.chemical_element, Focused ion beam, Ion beam deposition, Nanolithography, chemistry, Optoelectronics, Atomic physics, business, Field ion microscope, Helium
Abstract

Although initially developed as an imaging tool, the helium ion microscope (HIM) is finding applications in nanofabrication as its focused ion beam is capable of highly-localized material modification. In this study, an external pattern generator is used to explore the capabilities of the HIM for localized milling of a ∼7 nm thick layer of silicon-on-insulator, with atomic force microscopy (AFM) used to characterize the resulting patterns. The dose and patterned area size are varied and milling to depths >7 nm is demonstrated. At high doses and large areas, protuberances form, primarily due to sub-surface swelling caused by the implanted helium. The results suggest this technique could enable the rapid prototyping of next-generation nanoelectronic devices in thin silicon.

Published
2012

75. Microbial Fuel Cell

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

76. Marine Bio-inspired Adhesives

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

77. Microcavity Biosensor

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

78. Metal-Organic Molecular Beam Epitaxy (MOMBE)

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

79. Molecular Dynamics Simulations of Interactions Between Biological Molecules and Nanomaterials

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

80. Tuning Light Scattering by Periodic Metal Nanoparticle Arrays for Solar Cell Applications

Author

David N. R. Payne, Darren M. Bagnall, and Tristan L. Temple

Subjects
Total internal reflection, Materials science, business.industry, Scattering, Physics::Optics, Nanoparticle, Microbiology, Light scattering, law.invention, Semiconductor, law, Solar cell, Transmittance, Optoelectronics, business, Diffraction grating
Abstract

The drive to reduce the thickness of solar cells is putting ever greater demands on light-trapping techniques. Techniques are required to improve absorption of light within the semiconductor, while not adversely affecting the electrical properties of the device. Conventional diffraction gratings can scatter visible and near-infrared photons into large angles, which get trapped in the silicon layer by total internal reflection. However, diffraction gratings typically have large feature sizes and so increase the overall surface area of a solar cell compared to the planar case. A periodic arrangement of metal nanoparticles acts as a diffraction grating, but an over-coated semiconductor will have a similar surface area to a planar layer due a combination of a low particle height and low surface coverage.Random arrays of identical metal nanoparticles feature Lorentzian scattering peaks that can be tuned by modifying the size and shape of the particle. Periodic arrays have much more complicated scattering peaks, due to the enhancement and suppression of scattering at different wavelengths caused by the constructive and destructive interference between each nanoparticle. In effect the scattering spectrum of the individual nanoparticle is modified by the diffractive orders of the array, and so both parameters must be optimized together.We have studied periodic arrays of metal nanoparticles fabricated using electron-beam lithography, and characterised their reflectance properties. The optical properties of the fabricated arrays were found to be in good agreement with finite-difference time-domain (FDTD) simulations. Au and Al nanoparticles are found to have a strong scattering effect and Al nanoparticles are also shown to exhibit an anti-reflection effect in combination with scattering. This work is focused on verifying that FDTD simulations can accurately model metal nanoparticle arrays and then extending the simulations to determine the previously unknown transmittance characteristics of metal nanoparticle arrays on silicon.

Published
2012

81. Mean Field Approaches to Many-Body Systems

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

82. Micro/Nanofluidic Devices

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

83. Modeling Thermal Properties of Carbon Nanostructure Composites

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

84. Molecular Dynamics Method

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

85. Magnetic Dipole Emitters

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

86. Metal–Organic Interfaces

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

87. Multi-functional Particles

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

88. Manufacturing Graphene or Graphene Manufacturing

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

89. Microfludic Whole-Cell Biosensor

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

90. Magnetic Resonance Force Microscopy

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

91. Metallic Waveguides

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

92. Molecular Encapsulation

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

93. Molecular Dynamics Simulations of Nano-Bio Materials

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

94. MEMS Adaptive Optics

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

95. Magnetic Self-Assembly

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

96. Multilamellar Vesicle (MLV)

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

97. Micro- and Nanofluidic Devices for Medical Diagnostics

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

98. Magnetic-Field-Based Self-Assembly

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Subjects
Materials science, Condensed matter physics, Self-assembly, Magnetic field
Published
2012

99. MEMS = Microelectromechanical Systems

Author

Gabriela Juarez-Martinez, Alessandro Chiolerio, Paolo Allia, Martino Poggio, Christian L. Degen, Li Zhang, Bradley J. Nelson, Lixin Dong, Mitsumasa Iwamoto, Markus J. Buehler, Graham Bratzel, Farghalli A. Mohamed, Nathan Doble, Alok Govil, Ion Bita, Evgeni Gusev, Jung-Tang Huang, Kuo-Yu Lee, Hou-Jun Hsu, Pen-Shan Chao, Chung-Yi Lin, Jit Muthuswamy, Murat Okandan, Donald P. Butler, Zeynep Celik-Butler, Bongsang Kim, Woo-Tae Park, Anisullah Baig, Diana Gamzina, Jinfeng Zhao, Youngmin Shin, Robert Barchfeld, Larry R. Barnett, Calvin Domier, Neville C. Luhmann, Yitzhak Rosen, Pablo Gurman, Craig Snoeyink, Steven T. Wereley, Ranajay Ghosh, Aloke Kumar, Partha P. Mukherjee, Seonghwan Kim, Thomas Thundat, Ashwini Gopal, Kazunori Hoshino, John Xiaojing Zhang, Takahito Ono, Masayoshi Esashi, Soichiro Tsuda, Ryan M. Pocratsky, Maarten P. Boer, Shawn Litster, Clifford W. Padgett, Tad S. Whiteside, Luigi Preziosi, Melissa A. Pasquinelli, Yaroslava G. Yingling, Yunfeng Shi, Stuart A. Boden, Darren M. Bagnall, Rita E. Serda, and Mauro Ferrari

Published
2012

100. Diffuse Reflectance and Absorption Characteriation of a Plasmonic Back Reflector for Application in Thin Film Si Solar Cells

Author

Rufina S.A. Sesuraj, Tristan L. Temple, and Darren M. Bagnall

Subjects
Planar, Materials science, Optics, Scattering, business.industry, Surface plasmon, Fano resonance, Optoelectronics, Plasmonic solar cell, Diffuse reflection, Thin film, business, Plasmon
Abstract

A plasmonic back reflector has been fabricated for light-trapping application in thin film Si photovoltaic devices. The back reflector comprises of a 2D array of self-organized Ag NPs separated from a planar Ag mirror by a ZnO layer deposited by atomic-layer deposition. The diffuse reflectance and parasitic absorption losses can be modulated by varying the ZnO thickness. A maximum diffuse reflectance peak value of 30% at 950 nm, with a bandwidth of 400nm, is observed for ∼100 nm diameter NPs at a distance of 50 nm from the Ag mirror. Finite-difference time-domain simulations of a 100nm Ag sphere near a mirror were used to understand the experimentally observed trends in diffuse reflectance and parasitic absorption, with distance from the mirror. Particles very close to the mirror can couple to delocalized surface plasmons or exhibit Fano resonance effects, thereby increasing parasitic absorption. Particles situated away from the mirror are influenced by driving-field effects due to the interaction of incident and reflected photons, which modulate the scattering cross-section.

Published
2012

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