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Strain stabilization of far from equilibrium GaAsBi films

https://doi.org/10.1016/j.jcrysgro.2019.125216

Stevens, Margaret A.; Grossklaus, Kevin A.; Vandervelde, Thomas E. (December 2019, Journal of Crystal Growth)

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Impact of Rotation Rate on Bismuth Saturation in GaAsBi Grown by Molecular Beam Epitaxy

https://doi.org/10.1007/s11664-019-06949-6

Stevens, Margaret A.; Grossklaus, Kevin A.; McElearney, John H.; Vandervelde, Thomas E. (May 2019, Journal of Electronic Materials)

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Surface diffusion measurements of In on InGaAs enabled by droplet epitaxy

https://doi.org/10.1063/1.4983257

Stevens, Margaret A.; Tomasulo, Stephanie; Maximenko, Sergey; Vandervelde, Thomas E.; Yakes, Michael K. (May 2017, Journal of Applied Physics)

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Photovoltaic operation in the lower atmosphere and at the surface of Venus

https://doi.org/10.1002/pip.3214

Grandidier, Jonathan; Kirk, Alexander P.; Jahelka, Phillip; Stevens, Margaret A.; Gogna, Pawan K.; Crisp, David; Osowski, Mark L.; Vandervelde, Thomas E.; Atwater, Harry A.; Cutts, James A. (December 2019, Progress in Photovoltaics: Research and Applications)

Abstract Low‐intensity high‐temperature (LIHT) solar cells are needed for extended photovoltaic power generation in both the lower atmosphere as well as at the surface of Venus. Double‐junction GaInP/GaAs solar cells that may be able to operate and survive, with suitable encapsulation, for several weeks on the 465°C Venus surface have been developed. These solar cells have been optimized for operation under the Venus solar spectrum, which is different from that of the Earth.
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