HGTE-CDTE SUPERLATTICES FOR INFRARED DETECTION REVISITED

被引：15
|
作者：
MYERS, TH
MEYER, JR
HOFFMAN, CA
RAMMOHAN, LR
机构：
[1] USN,RES LAB,WASHINGTON,DC 20375
[2] WORCESTER POLYTECH INST,WORCESTER,MA 01609
来源：
APPLIED PHYSICS LETTERS | 1992年 / 61卷 / 15期
关键词：
D O I：
10.1063/1.108383
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Selected properties of HgTe-CdTe superlattices are re-examined in light of the new consensus that the valence-band offset is large. We conclude that while the cutoff wavelength for infrared detectors remains easier to control in superlattices than in the corresponding Hg1-xCdxTe alloy, the advantage is less than was predicted earlier assuming a small offset. The reduction of tunneling noise and minority carrier collection efficiency are discussed on the basis of revised electron and hole masses in the growth direction.
引用
收藏
页码：1814 / 1816
页数：3
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