activity
20102026
most citedModulation-doped beta-(Al0.2Ga0.8)2O3/Ga2O3 Field-Effect Transistor

313 citations · 3.6k across the 69 of their papers we have counts for

collaborators

70 papers

physics.app-ph2026

Integration of p-type Cr2O3 on Ultra-Wide Bandgap AlGaN PolFETs with 2.5 kV Breakdown Voltage

Jonathan Pratt, Yizheng Liu, Ijaas Mohamed +8

We demonstrate UWBG AlGaN polarization-graded field-effect transistors (PolFETs) incorporating room-temperature sputtered p-type oxide Cr2O3 as a P-N heterojunction gate, enabling…

cond-mat.mtrl-sci2026

4 MV/cm (010) -GaO Heterojunction Diodes Realized by Low-Damage e-Beam NiO Interlayers

Carl Peterson, Yizheng Liu, Chinmoy Nath Saha +3

We report on the utilization of a low-damage e-beam NiO deposition process to realize field-plated heterojunction diodes (FP-HJDs) on (010) -GaO films with high crit…

physics.app-ph2026

VBr >10 kV E-Beam/Sputtered Vertical NiOx/(011) β-Ga2O3 HJDs with PFOM >2.3 GW/cm2

Yizheng Liu, Carl Peterson, Chinmoy Nath Saha +2

Beta-gallium oxide (β-Ga2O3) holds enormous potential for medium voltage range power electronic applications. This work reports VBr > 10 kV/Ron,sp = 43 mΩ*cm2 class edge terminated…

physics.app-ph2026

Evidence of Micron-Scale Ion Damage in (010), (110), and (011) Epitaxial Layers

Carl Peterson, Chinmoy Nath Saha, Yizheng Liu +2

We report on the experimental observation of up to 11.5 deep charge depletion in (010), (110), and (011) epitaxial layers due to ion damage from sputtering and ind…

cond-mat.mtrl-sci2025

Realization of Insulating Buffer Layers via MOCVD-Grown Nitrogen-Doped (010) \b{eta}-Ga2O3

Rachel Kahler, Carl Peterson, Sriram Krishnamoorthy

We present MOCVD-grown, nitrogen-doped \b{eta}-Ga2O3 films as an insulating buffer layer on Fe-doped (010) \b{eta}-Ga2O3 substrates in lieu of 49% HF treatment to remove unintentio…

physics.app-ph2025

Electrical Stability of Cr2O3/\b{eta}-Ga2O3 and NiOx/\b{eta}-Ga2O3 Heterojunction Diodes

Yizheng Liu, Haochen Wang, Carl Peterson +3

This work reports the electrical characteristics comparison study between Cr2O3 and NiOx based heterojunction diodes (HJD) on halide vapor phase epitaxy (HVPE) grown \b{eta}-Ga2O3…