期刊
JAPANESE JOURNAL OF APPLIED PHYSICS
卷 52, 期 8, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/JJAP.52.08JN14
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资金
- Defense Advanced Research Projects Agency [HR0011-10-C-0015]
- Air Force Office of Scientific Research
We report on 30-nm-gate-length InAlN/AlN/GaN/SiC high-electron-mobility transistors (HEMTs) with a record current gain cutoff frequency (f(T)) of 400 GHz. Although the high drain-induced barrier lowering (DIBL) value is indicative of significant short-channel effects, more than seven orders of magnitude in the current on/off ratio was observed. The high f(T) is a result of minimized parasitic effects and at the expense of a low power gain cutoff frequency (f(MAX)). The gate length dependence and temperature dependence of f(T) were also measured. (C) 2013 The Japan Society of Applied Physics
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