Investigation of the Photosensitivity of Narrow-Gap and Gapless HgCdTe Solid Solutions in the Terahertz and Sub-Terahertz Range

被引：2

作者：

Rumyantsev, V. V. ^{[1
,2
]}

Maremyanin, K. V. ^{[1
,2
]}

Razova, A. A. ^{[1
,2
]}

Sergeev, S. M. ^{[1
]}

Mikhailov, N. N. ^{[3
]}

Dvoretskii, S. A. ^{[3
]}

Gavrilenko, V. I. ^{[1
,2
]}

Morozov, S. V. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Inst Phys Microstruct, Nizhnii Novgorod 603950, Russia

[2] Lobachevsky State Univ Nizhny Novgorod, Nizhnii Novgorod 603950, Russia

[3] Russian Acad Sci, Siberian Branch, Inst Semicond Phys, Novosibirsk 630090, Russia

来源：

SEMICONDUCTORS | 2020年 / 54卷 / 09期

基金：

俄罗斯科学基金会;

关键词：

terahertz radiation; HgCdTe; photoelectric detectors; photoconductivity; IMPURITY-PHOTOCONDUCTIVITY; TEMPERATURE-DEPENDENCE; CARRIER LIFETIME; RELAXATION; HG1-XCDXTE; FEATURES; HISTORY;

D O I：

10.1134/S1063782620090249

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The photoresponse is investigated in the frequency range of 0.15-15 THz in HgCdTe epitaxial layers with a cadmium concentration from 15.2 to 19.2% grown by molecular-beam epitaxy. It is shown that narrow-gap and gapless HgCdTe solid solutions can be used as detectors of both terahertz and sub-terahertz radiation with a characteristic response time of 2-4 ns and with a sensitivity approachingn-InSb-based detectors widely used in this range.

引用

页码：1096 / 1102

页数：7

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