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21 results on '"Op het Veld, Roy L. M."'

1. Author Correction: In-plane selective area InSb–Al nanowire quantum networks

Author

Op het Veld, Roy L. M., Xu, Di, Schaller, Vanessa, Verheijen, Marcel A., Peters, Stan M. E., Jung, Jason, Tong, Chuyao, Wang, Qingzhen, de Moor, Michiel W. A., Hesselmann, Bart, Vermeulen, Kiefer, Bommer, Jouri D. S., Lee, Joon Sue, Sarikov, Andrey, Pendharkar, Mihir, Marzegalli, Anna, Koelling, Sebastian, Kouwenhoven, Leo P., Miglio, Leo, Palmstrøm, Chris J., Zhang, Hao, and Bakkers, Erik P. A. M.

Published
2021
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2. Retraction Note: Epitaxy of advanced nanowire quantum devices

Author

Gazibegovic, Sasa, Car, Diana, Zhang, Hao, Balk, Stijn C., Logan, John A., de Moor, Michiel W. A., Cassidy, Maja C., Schmits, Rudi, Xu, Di, Wang, Guanzhong, Krogstrup, Peter, Op het Veld, Roy L. M., Zuo, Kun, Vos, Yoram, Shen, Jie, Bouman, Daniël, Shojaei, Borzoyeh, Pennachio, Daniel, Lee, Joon Sue, van Veldhoven, Petrus J., Koelling, Sebastian, Verheijen, Marcel A., Kouwenhoven, Leo P., Palmstrøm, Chris J., and Bakkers, Erik P. A. M.

Published
2022
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3. In-plane selective area InSb–Al nanowire quantum networks

Author

Op het Veld, Roy L. M., Xu, Di, Schaller, Vanessa, Verheijen, Marcel A., Peters, Stan M. E., Jung, Jason, Tong, Chuyao, Wang, Qingzhen, de Moor, Michiel W. A., Hesselmann, Bart, Vermeulen, Kiefer, Bommer, Jouri D. S., Sue Lee, Joon, Sarikov, Andrey, Pendharkar, Mihir, Marzegalli, Anna, Koelling, Sebastian, Kouwenhoven, Leo P., Miglio, Leo, Palmstrøm, Chris J., Zhang, Hao, and Bakkers, Erik P. A. M.

Published
2020
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5. RETRACTED ARTICLE: Quantized Majorana conductance

Author

Zhang, Hao, Liu, Chun-Xiao, Gazibegovic, Sasa, Xu, Di, Logan, John A., Wang, Guanzhong, van Loo, Nick, Bommer, Jouri D. S., de Moor, Michiel W. A., Car, Diana, Op het Veld, Roy L. M., van Veldhoven, Petrus J., Koelling, Sebastian, Verheijen, Marcel A., Pendharkar, Mihir, Pennachio, Daniel J., Shojaei, Borzoyeh, Lee, Joon Sue, Palmstrøm, Chris J., Bakkers, Erik P. A. M., Sarma, S. Das, and Kouwenhoven, Leo P.

Published
2018
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6. Merging Nanowires and Formation Dynamics of Bottom‐Up Grown InSb Nanoflakes

Author

Rossi, Marco, primary, Badawy, Ghada, additional, Zhang, Zhi‐Yuan, additional, Yang, Guang, additional, Li, Guo‐An, additional, Shi, Jia‐Yu, additional, Op het Veld, Roy L. M., additional, Gazibegovic, Sasa, additional, Li, Lu, additional, Shen, Jie, additional, Verheijen, Marcel A., additional, and Bakkers, Erik P. A. M., additional

Published
2023
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7. Retraction Note: Quantized Majorana conductance

Author

Zhang, Hao, Liu, Chun-Xiao, Gazibegovic, Sasa, Xu, Di, Logan, John A., Wang, Guanzhong, van Loo, Nick, Bommer, Jouri D. S., de Moor, Michiel W. A., Car, Diana, Op het Veld, Roy L. M., van Veldhoven, Petrus J., Koelling, Sebastian, Verheijen, Marcel A., Pendharkar, Mihir, Pennachio, Daniel J., Shojaei, Borzoyeh, Lee, Joon Sue, Palmstrøm, Chris J., Bakkers, Erik P. A. M., Das Sarma, S., and Kouwenhoven, Leo P.

Published
2021
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9. Epitaxy of advanced nanowire quantum devices

Author

Gazibegovic, Sasa, Car, Diana, Zhang, Hao, Balk, Stijn C., Logan, John A., de Moor, Michiel W. A., Cassidy, Maja C., Schmits, Rudi, Xu, Di, Wang, Guanzhong, Krogstrup, Peter, Op het Veld, Roy L. M., Zuo, Kun, Vos, Yoram, Shen, Jie, Bouman, Danil, Shojaei, Borzoyeh, Pennachio, Daniel, Lee, Joon Sue, van Veldhoven, Petrus J., Koelling, Sebastian, Verheijen, Marcel A., Kouwenhoven, Leo P., Palmstrm, Chris J., and Bakkers, Erik P. A. M.

Subjects
Nanoparticles -- Properties, Engineering research, Quantum computing -- Research, Epitaxy -- Research, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Author(s): Sasa Gazibegovic [1, 2]; Diana Car [1, 2]; Hao Zhang [1]; Stijn C. Balk [1]; John A. Logan [3]; Michiel W. A. de Moor [1]; Maja C. Cassidy [1]; [...]

Published
2017
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10. RETRACTED ARTICLE: Epitaxy of advanced nanowire quantum devices

Author

Gazibegovic, Sasa, Car, Diana, Zhang, Hao, Balk, Stijn C., Logan, John A., de Moor, Michiel W. A., Cassidy, Maja C., Schmits, Rudi, Xu, Di, Wang, Guanzhong, Krogstrup, Peter, Op het Veld, Roy L. M., Zuo, Kun, Vos, Yoram, Shen, Jie, Bouman, Daniël, Shojaei, Borzoyeh, Pennachio, Daniel, Lee, Joon Sue, van Veldhoven, Petrus J., Koelling, Sebastian, Verheijen, Marcel A., Kouwenhoven, Leo P., Palmstrøm, Chris J., and Bakkers, Erik P. A. M.

Published
2017
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11. Editorial Expression of Concern: Quantized Majorana conductance

Author

Zhang, Hao, Liu, Chun-Xiao, Gazibegovic, Sasa, Xu, Di, Logan, John A., Wang, Guanzhong, van Loo, Nick, Bommer, Jouri D. S., de Moor, Michiel W. A., Car, Diana, Op het Veld, Roy L. M., van Veldhoven, Petrus J., Koelling, Sebastian, Verheijen, Marcel A., Pendharkar, Mihir, Pennachio, Daniel J., Shojaei, Borzoyeh, Lee, Joon Sue, Palmstrøm, Chris J., Bakkers, Erik P. A. M., Sarma, S. Das, and Kouwenhoven, Leo P.

Published
2020
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12. Supercurrent parity meter in a nanowire Cooper pair transistor

Author

Wang, Ji-Yin, primary, Schrade, Constantin, additional, Levajac, Vukan, additional, van Driel, David, additional, Li, Kongyi, additional, Gazibegovic, Sasa, additional, Badawy, Ghada, additional, Op het Veld, Roy L. M., additional, Lee, Joon Sue, additional, Pendharkar, Mihir, additional, Dempsey, Connor P., additional, Palmstrøm, Chris J., additional, Bakkers, Erik P. A. M., additional, Fu, Liang, additional, Kouwenhoven, Leo P., additional, and Shen, Jie, additional

Published
2022
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13. Quantized Majorana conductance

Author

Zhang, Hao, Liu, Chun-Xiao, Gazibegovic, Sasa, Xu, Di, Logan, John A., Wang, Guanzhong, van Loo, Nick, Bommer, Jouri D. S., de Moor, Michiel W. A., Car, Diana, Op het Veld, Roy L. M., van Veldhoven, Petrus J., Koelling, Sebastian, Verheijen, Marcel A., Pendharkar, Mihir, Pennachio, Daniel J., Shojaei, Borzoyeh, Lee, Joon Sue, Palmstrm, Chris J., Bakkers, Erik P. A. M., Sarma, S. Das, and Kouwenhoven, Leo P.

Subjects
Fermions -- Electric properties, Quantum computing -- Research, Physics research, Electrical conductance -- Research, Environmental issues, Science and technology, Zoology and wildlife conservation
Abstract

Author(s): Hao Zhang (corresponding author) [1]; Chun-Xiao Liu [2]; Sasa Gazibegovic [3]; Di Xu [1]; John A. Logan [4]; Guanzhong Wang [1]; Nick van Loo [1]; Jouri D. S. Bommer [...]

Published
2018
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15. In-plane selective area InSb–Al nanowire quantum networks

Author

Op het Veld, R, Xu, D, Schaller, V, Verheijen, M, Peters, S, Jung, J, Tong, C, Wang, Q, de Moor, M, Hesselmann, B, Vermeulen, K, Bommer, J, Sue Lee, J, Sarikov, A, Pendharkar, M, Marzegalli, A, Koelling, S, Kouwenhoven, L, Miglio, L, Palmstrøm, C, Zhang, H, Bakkers, E, Op het Veld, Roy L. M., Xu, Di, Schaller, Vanessa, Verheijen, Marcel A., Peters, Stan M. E., Jung, Jason, Tong, Chuyao, Wang, Qingzhen, de Moor, Michiel W. A., Hesselmann, Bart, Vermeulen, Kiefer, Bommer, Jouri D. S., Sue Lee, Joon, Sarikov, Andrey, Pendharkar, Mihir, Marzegalli, Anna, Koelling, Sebastian, Kouwenhoven, Leo P., Miglio, Leo, Palmstrøm, Chris J., Zhang, Hao, Bakkers, Erik P. A. M., Op het Veld, R, Xu, D, Schaller, V, Verheijen, M, Peters, S, Jung, J, Tong, C, Wang, Q, de Moor, M, Hesselmann, B, Vermeulen, K, Bommer, J, Sue Lee, J, Sarikov, A, Pendharkar, M, Marzegalli, A, Koelling, S, Kouwenhoven, L, Miglio, L, Palmstrøm, C, Zhang, H, Bakkers, E, Op het Veld, Roy L. M., Xu, Di, Schaller, Vanessa, Verheijen, Marcel A., Peters, Stan M. E., Jung, Jason, Tong, Chuyao, Wang, Qingzhen, de Moor, Michiel W. A., Hesselmann, Bart, Vermeulen, Kiefer, Bommer, Jouri D. S., Sue Lee, Joon, Sarikov, Andrey, Pendharkar, Mihir, Marzegalli, Anna, Koelling, Sebastian, Kouwenhoven, Leo P., Miglio, Leo, Palmstrøm, Chris J., Zhang, Hao, and Bakkers, Erik P. A. M.

Abstract

Strong spin–orbit semiconductor nanowires coupled to a superconductor are predicted to host Majorana zero modes. Exchange (braiding) operations of Majorana modes form the logical gates of a topological quantum computer and require a network of nanowires. Here, we utilize an in-plane selective area growth technique for InSb–Al semiconductor–superconductor nanowire networks. Transport channels, free from extended defects, in InSb nanowire networks are realized on insulating, but heavily mismatched InP (111)B substrates by full relaxation of the lattice mismatch at the nanowire/substrate interface and nucleation of a complete network from a single nucleation site by optimizing the surface diffusion length of the adatoms. Essential quantum transport phenomena for topological quantum computing are demonstrated in these structures including phase-coherence lengths exceeding several micrometers with Aharonov–Bohm oscillations up to five harmonics and a hard superconducting gap accompanied by 2e-periodic Coulomb oscillations with an Al-based Cooper pair island integrated in the nanowire network.

Published
2020

16. Electric field tunable superconductor-semiconductor coupling in Majorana nanowires

Author

de Moor, Michiel W A, primary, Bommer, Jouri D S, additional, Xu, Di, additional, Winkler, Georg W, additional, Antipov, Andrey E, additional, Bargerbos, Arno, additional, Wang, Guanzhong, additional, Loo, Nick van, additional, Op het Veld, Roy L M, additional, Gazibegovic, Sasa, additional, Car, Diana, additional, Logan, John A, additional, Pendharkar, Mihir, additional, Lee, Joon Sue, additional, M Bakkers, Erik P A, additional, Palmstrøm, Chris J, additional, Lutchyn, Roman M, additional, Kouwenhoven, Leo P, additional, and Zhang, Hao, additional

Published
2018
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17. Observation of Conductance Quantization in InSb Nanowire Networks

Author

Fadaly, Elham M. T., primary, Zhang, Hao, additional, Conesa-Boj, Sonia, additional, Car, Diana, additional, Gül, Önder, additional, Plissard, Sébastien R., additional, Op het Veld, Roy L. M., additional, Kölling, Sebastian, additional, Kouwenhoven, Leo P., additional, and Bakkers, Erik P. A. M., additional

Published
2017
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18. InSb Nanowires with Built-In GaxIn1–xSb Tunnel Barriers for Majorana Devices

Author

Car, Diana, primary, Conesa-Boj, Sonia, additional, Zhang, Hao, additional, Op het Veld, Roy L. M., additional, de Moor, Michiel W. A., additional, Fadaly, Elham M. T., additional, Gül, Önder, additional, Kölling, Sebastian, additional, Plissard, Sebastien R., additional, Toresen, Vigdis, additional, Wimmer, Michael T., additional, Watanabe, Kenji, additional, Taniguchi, Takashi, additional, Kouwenhoven, Leo P., additional, and Bakkers, Erik P. A. M., additional

Published
2016
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20. InSb Nanowires with Built-In Ga x In 1-x Sb Tunnel Barriers for Majorana Devices.

Author

Car D, Conesa-Boj S, Zhang H, Op Het Veld RL, de Moor MW, Fadaly EM, Gül Ö, Kölling S, Plissard SR, Toresen V, Wimmer MT, Watanabe K, Taniguchi T, Kouwenhoven LP, and Bakkers EP

Abstract

Majorana zero modes (MZMs), prime candidates for topological quantum bits, are detected as zero bias conductance peaks (ZBPs) in tunneling spectroscopy measurements. Implementation of a narrow and high tunnel barrier in the next generation of Majorana devices can help to achieve the theoretically predicted quantized height of the ZBP. We propose a material-oriented approach to engineer a sharp and narrow tunnel barrier by synthesizing a thin axial segment of Ga x In 1-x Sb within an InSb nanowire. By varying the precursor molar fraction and the growth time, we accurately control the composition and the length of the barriers. The height and the width of the Ga x In 1-x Sb tunnel barrier are extracted from the Wentzel-Kramers-Brillouin (WKB) fits to the experimental I-V traces.

Published
2017
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21. In(x)Ga(1-x)As nanowires with uniform composition, pure wurtzite crystal phase and taper-free morphology.

Author

Ameruddin AS, Fonseka HA, Caroff P, Wong-Leung J, Op het Veld RL, Boland JL, Johnston MB, Tan HH, and Jagadish C

Abstract

Obtaining compositional homogeneity without compromising morphological or structural quality is one of the biggest challenges in growing ternary alloy compound semiconductor nanowires. Here we report growth of Au-seeded InxGa1-xAs nanowires via metal-organic vapour phase epitaxy with uniform composition, morphology and pure wurtzite (WZ) crystal phase by carefully optimizing growth temperature and V/III ratio. We find that high growth temperatures allow the InxGa1-xAs composition to be more uniform by suppressing the formation of typically observed spontaneous In-rich shells. A low V/III ratio results in the growth of pure WZ phase InxGa1-xAs nanowires with uniform composition and morphology while a high V/III ratio allows pure zinc-blende (ZB) phase to form. Ga incorporation is found to be dependent on the crystal phase favouring higher Ga concentration in ZB phase compared to the WZ phase. Tapering is also found to be more prominent in defective nanowires hence it is critical to maintain the highest crystal structure purity in order to minimize tapering and inhomogeneity. The InP capped pure WZ In0.65Ga0.35As core-shell nanowire heterostructures show 1.54 μm photoluminescence, close to the technologically important optical fibre telecommunication wavelength, which is promising for application in photodetectors and nanoscale lasers.

Published
2015
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