Zobrazeno 1 - 10
of 239
pro vyhledávání: '"Wheeler, Virginia"'
Autor:
Vaca, Diego, Barry, Matthew, Yates, Luke, Nepal, Neeraj, Katzer, D. Scott, Downey, Brian P., Wheeler, Virginia, Nyakiti, Luke, Meyer, David J., Graham, Samuel, Kumar, Satish
We report a method to obtain insights into lower thermal conductivity of \beta-Ga2O3 thin films grown by molecular beam epitaxy (MBE) on c-plane sapphire and 4H-SiC substrates. We compare experimental values against the numerical predictions to decip
Externí odkaz:
http://arxiv.org/abs/2205.02179
Publikováno v:
Proceedings 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM), 2016
In this paper, a superlattice VO2/SiO2 metamaterial on a lossy substrate is designed to create a near perfect absorber with tunability across the infrared spectrum. We selected VO2 as it presents a dielectric to metal-like phase change slightly above
Externí odkaz:
http://arxiv.org/abs/2009.01260
Autor:
Morsy, Ahmed M., Barako, Michael T., Jankovic, Vladan, Wheeler, Virginia D., Knight, Mark W., Papadakis, Georgia T., Sweatlock, Luke A., Hon, Philip W. C., Povinelli, Michelle L.
We present an experimental demonstration of passive, dynamic thermal regulation in a solid-state system with temperature-dependent thermal emissivity switching. We achieve this effect using a multilayered device, comprised of a vanadium dioxide (VO2)
Externí odkaz:
http://arxiv.org/abs/2003.00031
Autor:
Cheng, Zhe, Wheeler, Virginia D., Bai, Tingyu, Shi, Jingjing, Tadjer, Marko J., Feygelson, Tatyana, Hobart, Karl D., Goorsky, Mark S., Graham, Samuel
Ga2O3 has attracted great attention for electronic device applications due to its ultra-wide bandgap, high breakdown electric field, and large-area affordable substrates grown from the melt. However, its thermal conductivity is significantly lower th
Externí odkaz:
http://arxiv.org/abs/1908.08665
Akademický článek
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Autor:
Gubbin, Christopher R., Berté, Rodrigo, Meeker, Michael A., Giles, Alexander J., Ellis, Chase T., Tischler, Joseph G., Wheeler, Virginia D., Caldwell, Joshua D., De Liberato, Simone
We demonstrate how to exploit long-cell polytypes of silicon carbide to achieve strong coupling between transverse phonon polaritons and zone folded longitudinal optical phonons. The resulting quasiparticles possess hybrid longitudinal and transverse
Externí odkaz:
http://arxiv.org/abs/1807.10903
Autor:
Giusca, Cristina E., Panchal, Vishal, Munz, Martin, Wheeler, Virginia D., Nyakiti, Luke O., Myers-Ward, Rachael L., Gaskill, D. Kurt, Kazakova, Olga
Publikováno v:
Advanced Materials Interfaces, 2, 16, 2015, 1500252
The sensitivity to water of epitaxial graphene is examined in this study.
Externí odkaz:
http://arxiv.org/abs/1804.09989
Autor:
Hardy, Matthew T., Lang, Andrew C., Jin, Eric N., Nepal, Neeraj, Downey, Brian P., Gokhale, Vikrant J., Scott Katzer, D., Wheeler, Virginia D.
Publikováno v:
Journal of Applied Physics; 9/14/2023, Vol. 134 Issue 10, p1-8, 8p
Autor:
Jin, Eric N., Lang, Andrew C., Downey, Brian P., Gokhale, Vikrant J., Hardy, Matthew T., Nepal, Neeraj, Katzer, D. Scott, Wheeler, Virginia D.
Publikováno v:
Journal of Applied Physics; 7/14/2023, Vol. 134 Issue 2, p1-8, 8p
Autor:
Tadjer, Marko J., Wheeler, Virginia D., Downey, Brian P., Robinson, Zachary R., Meyer, David J., Eddy, Jr., Charles R., Kub, Fritz J.
Amorphous vanadium dioxide (VO$_{2}$) films deposited by atomic layer deposition (ALD) were crystallized with an ex situ anneal at 660-670 ${\deg}$C for 1-2 hours under a low oxygen pressure (10$^{-4}$ to 10$^{-5}$ Torr). Under these conditions the c
Externí odkaz:
http://arxiv.org/abs/1602.06340