collaborators

5 papers

physics.app-ph2025

2.34 kV \b{eta}-Ga2O3 Vertical Trench RESURF Schottky Barrier Diode with sub-micron fin width

Chinmoy Nath Saha, Saurav Roy, Yizheng Liu +2

In this letter, we present a kilovolt-class \b{eta}-Ga2O3 vertical trench Schottky barrier diode with a field plate incorporating narrow fin width (Wfin) structures of sub-micron d…

physics.app-ph2025

Kilovolt-Class Field-Plated Schottky Barrier Diodes with MOCVD-Grown Intentionally Doped Drift Layers

Carl Peterson, Chinmoy Nath Saha, Rachel Kahler +4

We report on the growth optimization of intentionally low-doped ( ) high-quality drift layers up to 10 thick via MOCVD and the fabrication of k…

physics.app-ph2024

NiOx/\b{eta}-Ga2O3 Heterojunction Diode Achieving Breakdown Voltage >3 kV with Plasma Etch Field-Termination

Yizheng Liu, Saurav Roy, Carl Peterson +2

This work reports the fabrication and characterization of a NiOx/\b{eta}-Ga2O3 heterojunction diode (HJD) that uses a metallic nickel (Ni) target to deposit NiOx layers via reactiv…

cond-mat.mtrl-sci2024

Dielectric Reliability and Interface Trap Characterization in MOCVD grown In-situ AlO on -GaO

Saurav Roy, Arkka Bhattacharyya, Carl Peterson +1

In this article, we investigate the in-situ growth of AlO on -GaO using metal-organic chemical vapor deposition (MOCVD) at a high temperature of 800°C. The Al$…

physics.app-ph2024

Record-High Electron Mobility and Controlled Low 10 cm Si-doping in (010) -GaO Epitaxial Drift Layers

Carl Peterson, Arkka Bhattacharyya, Kittamet Chanchaiworawit +7

We report on metalorganic chemical vapor deposition (MOCVD) growth of controllably Si-doped 4.5 m thick -GaO films with electron concentrations in the 10 cm$…