collaborators

5 papers

physics.app-ph2026

High Breakdown Field Multi-kV UWBG AlGaN Transistors

Seungheon Shin, Kyle Liddy, Jon Pratt +6

We demonstrate high-performance UWBG AlGaN PolFETs exhibiting a state-of-the-art combination of nearly 1 A/mm on-state current (~ 960 mA/mm) and large breakdown field (> 4.8 MV/cm)…

physics.app-ph2026

Microwave Performance of all MOCVD-grown AlScN/GaN MIS-HEMTs on Semi-Insulating GaN Substrates

Can Cao, Vijay Gopal Thirupakuzi Vangipuram, Abdul Mukit +4

We report on the design, fabrication, and characterization of all MOCVD-grown long-gate AlScN/GaN metal-insulator-semiconductor high electron mobility transistors (MIS-HEMTs) on se…

physics.app-ph2025

Scaled Ultra-Wide Bandgap AlGaN Polarization-Graded FET with Ultra-thin Buffer Layer

Yinxuan Zhu, Ashley Wissel-Garcia, Kidus Guye +12

We report on the design and demonstration of ultra-wide bandgap AlGaN polarization-graded field effect transistors with ultra-thin channels to enable excellent current density and…

physics.app-ph2025

Ultra-Wide Bandgap AlGaN Heterostructure Field Effect Transistors with Current Gain Cutoff Frequency Above 85 GHz

Yinxuan Zhu, Andrew A. Allerman, Ashley Wissel-Garcia +8

We report the design and demonstration of ultra-wide-bandgap (UWBG) AlGaN polarization-graded field-effect transistors (PolFETs) that achieve a current-gain cutoff frequency above…

cond-mat.mtrl-sci2025

Barrier Electrostatics and Contact Engineering for Ultra-Wide Bandgap AlGaN HFETs

Seungheon Shin, Can Cao, Jon Pratt +5

We report ultra-wide bandgap (UWBG) AlGaN heterostructure field-effect transistors (HFETs) exhibiting a high breakdown field (> 5.3 MV/cm) and a low contact resistance (~1.55 Ωmm)…