FIELD-EFFECT TRANSISTORS;
TRANSISTORS;
SEMICONDUCTOR DEVICES AND MATERIALS;
D O I:
10.1049/el:19930187
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
High-performance 0.15 mum gate length modulation-doped field-effect transistors (MODFETs) have been fabricated on a lattice-matched InAlAs/InGaAs heterostructure grown by organic vapour phase epitaxy (MOVPE). Excellent 'kink-free' DC characteristics with extrinsic transconductance g(m) of 1080 mS/mm at a drain current of 508 mA/mm have been achieved. A unity current-gain cutoff frequency f(T) of 187 GHz at room temperature has been measured, which is the highest value reported for MOVPE-grown lattice-matched InAlAs/InGaAs MODFETs.
机构:
Tokyo Inst Technol, Interdisciplinary Grad Sch Sci & Engn, Meguro Ku, Tokyo 1528552, JapanNTT Corp, NTT Photon Labs, Atsugi, Kanagawa 2430198, Japan