W. Liu, C. Dai and J. S. Harris, "Contact Impedance in Heterojunction Biopolar Transistors," Solid State Electronics, 35, 547-552 (1992). [more info]
W. Liu and J. S. Harris, "Diode ideality factor for surface recombination current in AlGaAs/GaAs heterojunction bipolar transistors," IEEE Transactions on Electron Devices, 39(12), 2726-32 (1992). [more info]
W. Liu and J. S. Harris, "Effects of emitter-base contact spacing on the current gain in heterojunction bipolar transistors," Japanese Journal of Applied Physics, Part 1 (Regular Papers & Short Notes), 31(8), 2349-51 (1992). [more info]
W. Liu and J. S. Harris, "Mesa surface recombination current in AlGaAs/GaAs heterojunction bipolar transistors with an emitter-base-emitter structure," Journal of Vacuum Science & Technology B (Microelectronics Processing and Phenomena), 10(4), 1285-90 (1992). [more info]
W. Liu and J. S. Harris, "Effects of replacing a portion of the AlGaAs base-emitter junction of heterojunction bipolar transistors by GaAs," International Journal of Electronics, 72(3), 401-8 (1992). [more info]
W. Liu and J. S. Harris, "Parasitic conduction current in the passivation ledge of AlGaAs/GaAs heterojunction bipolar transistors," Solid-State Electronics, 35(7), 891-5 (1992). [more info]
W. Liu and J. S. Harris, "Current dependence of base-collector capacitance of bipolar transistors," Solid-State Electronics, 35(8), 1051-7 (1992). [more info]
W. Liu and J. S. Harris, "Dependence of the Base Crowding Effect on Base Doping and Thickness for Npn AlGaAs/GaAs HBTs," Electronics Letters, 27(22), 2048-2050 (1992). [more info]
W. Liu, D. Hill, D. Costa and J. S. Harris, "High-performance microwave AlGaAs-InGaAs Pnp HBT with high-DC current gain," IEEE microwave and guided wave letters, 2(8), 331-333 (1992). [more info]
W. Liu and S. D. Kim, "A high-gain AlGaAs/GaAs heterojunction bipolar transistor grown on silicon substrate," Japanese journal of applied physics. Supplement, 31(9A), 2656 (1992). [more info]
