Two-Dimensional Device Simulation of 0.05 µm-Gate AlGaN/GaN HEMT

Yoshifumi KAWAKAMI, Naohiro KUZE, Jin-Ping AO, Yasuo OHNO

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Summary :

DC and RF performances of AlGaN/GaN HEMTs are simulated using a two-dimensional device simulator with the material parameters of GaN and AlGaN. The cut-off frequency is estimated as 205 GHz at the gate length of 0.05 µm and the drain breakdown voltage at this gate length is over 10 V. The values are satisfactory for millimeter wavelength power applications. The use of thin AlGaN layers has key importance to alleviate gate parasitic capacitance effects at this gate length.

Publication
IEICE TRANSACTIONS on Electronics Vol.E86-C No.10 pp.2039-2042
Publication Date
2003/10/01
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Heterostructure Microelectronics with TWHM2003)
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