INALAS/INGAAS HIGH-ELECTRON-MOBILITY TRANSISTORS ON LOW-TEMPERATURE INALAS BUFFER LAYERS BY METALORGANIC CHEMICAL-VAPOR-DEPOSITION

被引:14
作者
PAN, N [1 ]
ELLIOTT, J [1 ]
HENDRIKS, H [1 ]
AUCOIN, L [1 ]
FAY, P [1 ]
ADESIDA, I [1 ]
机构
[1] UNIV ILLINOIS,CTR COMPOUND SEMICOND MICROELECTR,URBANA,IL 61801
关键词
D O I
10.1063/1.113137
中图分类号
O59 [应用物理学];
学科分类号
摘要
InAlAs/InGaAs high electron mobility transistors (HEMT) with excellent high frequency performance were demonstrated. Device sizes of 0.25×50 μm and 0.10×50 μm showed current gain cutoff frequencies of 143 and 205 GHz, respectively. The HEMT structures were grown on a low temperature InAlAs buffer layers designed to eliminate conductive impurity spikes situated at the epitaxial/substrate interface. The highly resistive buffer layer (2×105 Ω cm) was obtained at a growth temperature of 475°C using a combination of trimethylarsenic and arsine as the arsenic sources. © 1995 American Institute of Physics.
引用
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页码:212 / 214
页数:3
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