K. Chu

Two-dimensional electron gases induced by spontaneous and piezoelectric polarization charges in N- and Ga-face AlGaN/GaN heterostructures

O. Ambacher, J. Smart, J. R. Shealy et al. · Journal of Applied Physics · 1999 · 2.9K citations

Wide-bandgap Semiconductor, Piezoelectric Polarization Charges, Carrier Concentration Profiles +16

Two dimensional electron gases induced by spontaneous and piezoelectric polarization in undoped and doped AlGaN/GaN heterostructures

O. Ambacher, B. E. Foutz, J. Smart et al. · Journal of Applied Physics · 2000 · 1.6K citations

Wide-bandgap Semiconductor, Engineering, Dimensional Electron Gases +18

The effect of surface passivation on the microwave characteristics of undoped AlGaN/GaN HEMTs

B.M. Green, K. Chu, Eduardo M. Chumbes et al. · IEEE Electron Device Letters · 2000 · 720 citations

Wide-bandgap Semiconductor, Electrical Engineering, Engineering +12

Role of Spontaneous and Piezoelectric Polarization Induced Effects in Group-III Nitride Based Heterostructures and Devices

O. Ambacher, R. Dimitrov, M. Stutzmann et al. · physica status solidi (b) · 1999 · 142 citations

Aluminium Nitride, Wide-bandgap Semiconductor, Group-iii Nitrides +20

9.4-W/mm Power Density AlGaN–GaN HEMTs on Free-Standing GaN Substrates

K. Chu, P.C. Chao, M.T. Pizzella et al. · IEEE Electron Device Letters · 2004 · 95 citations

Wide-bandgap Semiconductor, Electrical Engineering, Electronic Devices +11