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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)…
cond-mat.mtrl-sci2025
High Breakdown Electric Field (> 5 MV/cm) in UWBG AlGaN Transistors
Seungheon Shin, Hridibrata Pal, Jon Pratt +8
We report on the design and demonstration of ultra-wide bandgap (UWBG) AlGaN-channel metal-insulator heterostructure field effect transistors (HEFTs) for high-power, high-frequency…
cond-mat.mtrl-sci2024
Heterostructure and Interfacial Engineering for Low-Resistance Contacts to Ultra-Wide Bandgap AlGaN
Yinxuan Zhu, Andrew A. Allerman, Chandan Joishi +7
We report on the heterostructure and interfacial engineering of metalorganic chemical vapor deposition (MOCVD) grown reverse-graded contacts to ultra-wide bandgap AlGaN. A record l…