What is it about?
Barium Stannate is a high-mobility perovskite oxide and a promising material for electronic devices. Here we measure the saturation velocity of electrons - a fundamental electronic property - in this material for the first time. We also show that the saturation velocity of electrons is limited by optical phonon scattering by using a simple optical phonon model to fit the measured velocities, as well as demonstrate a density dependence of such measured velocities.
Photo by Christian Wiediger on Unsplash
Why is it important?
The saturation velocity of electrons is a fundamental electronic property of interest for designing devices from this material. The saturation velocity for Barium Stannate was previously unknown and we present the first measurement and modelling of this important property in this material.
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This page is a summary of: Velocity saturation in La-doped BaSnO3 thin films, Applied Physics Letters, August 2019, American Institute of Physics, DOI: 10.1063/1.5097791.
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