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Effect of Vanadium Thickness and Deposition Temperature on VO2 Synthesis using Atmospheric Pressure Thermal Oxidation
Ashok P, Yogesh Singh Chauhan, Amit Verma
Vanadium dioxide (VO2) is a phase transition material that undergoes a reversible insulator-metal phase transition at ~ 68 C. Atmospheric pressure thermal oxidation (APTO) of vanad…
Temperature Dependence of Heteroepitaxy on c-plane Sapphire using Low Pressure Chemical Vapor Deposition
Gavax Joshi, Yogesh Singh Chauhan, Amit Verma
has drawn significant attention for power electronics and deep ultraviolet (UV) photodetectors owing to its wide bandgap of ~ 4.4 - 4.9 eV and high electric breakdown s…
Adsorption-controlled growth of La-doped BaSnO3 by molecular-beam epitaxy
Hanjong Paik, Zhen Chen, Edward Lochocki +14
Epitaxial La doped BaSnO3 films were grown in an adsorption controlled regime by molecular beam epitaxy, where the excess volatile SnOx desorbs from the film surface. A film grown…
Intrinsic Electron Mobility Limits in beta-Ga2O3
Nan Ma, Nicholas Tanen, Amit Verma +5
By systematically comparing experimental and theoretical transport properties, we identify the polar optical phonon scattering as the dominant mechanism limiting electron mobility…
Ferroelectric Transition in Compressively Strained SrTiO3 Thin Films
Amit Verma, Santosh Raghavan, Susanne Stemmer +1
We report the temperature dependent capacitance-voltage characteristics of Pt/SrTiO3 Schottky diodes fabricated using compressively strained SrTiO3 thin films grown on (LaAlO3)0.3(…
Anisotropic Thermal Conductivity in Single Crystal beta-Gallium Oxide
Zhi Guo, Amit Verma, Fangyuan Sun +6
The thermal conductivities of beta-Ga2O3 single crystals along four different crystal directions were measured in the temperature range of 80-495K using the time domain thermorefle…