10-MU-M INFRARED HOT-ELECTRON TRANSISTORS

被引:48
作者
CHOI, KK [1 ]
DUTTA, M [1 ]
NEWMAN, PG [1 ]
SAUNDERS, ML [1 ]
IAFRATE, GJ [1 ]
机构
[1] USA,RES OFF,RES TRIANGLE PK,NC 27709
关键词
D O I
10.1063/1.103480
中图分类号
O59 [应用物理学];
学科分类号
摘要
A new hot-electron transistor for 10 μm infrared radiation detection is presented and discussed. The device utilizes an infrared sensitive GaAs/AlGaAs multiple quantum well structure as emitter, a wide quantum well as base, and a thick quantum barrier placed in front of the collector as an electron energy high pass filter. The energy filter selectively permits the higher energy photocurrent to pass to the collector; the lower energy dark current is rejected by the filter, and is drained through the base. The device detectivity, as noted by the collector photocurrent measurements, is much enhanced in comparison with companion infrared photoconductive devices.
引用
收藏
页码:1348 / 1350
页数:3
相关论文
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