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6 results on '"Tyler Chase"'

1. Stimulated resonant inelastic X-ray scattering in a solid

Author

Daniel J. Higley, Zhao Chen, Martin Beye, Markus Hantschmann, Alex H. Reid, Virat Mehta, Olav Hellwig, Georgi L. Dakovski, Ankush Mitra, Robin Y. Engel, Tim Maxwell, Yuantao Ding, Stefano Bonetti, Maximilian Bucher, Sebastian Carron, Tyler Chase, Emmanuelle Jal, Roopali Kukreja, Tianmin Liu, Alexander Föhlisch, Hermann A. Dürr, William F. Schlotter, and Joachim Stöhr

Subjects
Astrophysics, QB460-466, Physics, QC1-999
Abstract

X-ray free electron lasers provide brilliant light with sufficient intensity to strongly drive and probe nonlinear X-ray-matter interactions. Here, spectroscopy of Co/Pd multilayers reveals a nearly one-million-fold enhancement of stimulated resonant inelastic X-ray scattering versus conventional, spontaneous scattering.

Published
2022
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2. Femtosecond X-ray induced changes of the electronic and magnetic response of solids from electron redistribution

Author

Daniel J. Higley, Alex H. Reid, Zhao Chen, Loïc Le Guyader, Olav Hellwig, Alberto A. Lutman, Tianmin Liu, Padraic Shafer, Tyler Chase, Georgi L. Dakovski, Ankush Mitra, Edwin Yuan, Justine Schlappa, Hermann A. Dürr, William F. Schlotter, and Joachim Stöhr

Subjects
Science
Abstract

X-ray free electron lasers allow for studying the interaction of magnetic materials with intense X-rays beyond a linear response regime. Here, the authors demonstrate the onset of X-ray induced ultrafast demagnetization in Co/Pd multilayers via a redistribution of valence electrons on timescales shorter than 40 fs.

Published
2019
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3. State-resolved ultrafast charge and spin dynamics in [Co/Pd] multilayers

Author

Loïc Le Guyader, Daniel J. Higley, Matteo Pancaldi, Tianmin Liu, Zhao Chen, Tyler Chase, Patrick W. Granitzka, Giacomo Coslovich, Alberto A. Lutman, Georgi L. Dakovski, William F. Schlotter, Padraic Shafer, Elke Arenholz, Olav Hellwig, Mark L. M. Lalieu, Bert Koopmans, Alexander H. Reid, Stefano Bonetti, Joachim Stöhr, and Hermann A. Dürr

Published
2022
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4. Characterization of cell level degradation using a Polymer Dispersed Liquid Crystal active shading screen

Author

Glenn Alers, Tyler Chase, Seichi Arai, Kobashi Tsukasa, Bill Dokos, Dan Liddell, and Abraham K. Ishihara

Subjects
chemistry.chemical_classification, Materials science, business.industry, Estimation theory, Polymer, Function (mathematics), Optics, chemistry, Liquid crystal, Degradation (geology), Optoelectronics, Shading, business, Shader, Diode
Abstract

Degradation can be characterized by cell level parameters using one or two diode models. However, estimating these parameters in deployed arrays is a challenge. This paper discuses an active shading method using a custom fabricated Polymer Dispersed Liquid Crystal (PDLC) screen integrated with an EKO-MP170 curve tracer. The parameter estimation method leverages asymptotic approximations and the Lambert-W function for rapid convergence. Details of the construction, testing and validation of the PDLC shader are provided and simulation of the algorithm and preliminary results are discussed.

Published
2013

6. Power of Words

Author

William R. Catton, Stuart Chase, and Marian Tyler Chase

Subjects
Sociology and Political Science
Published
1954

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