Magnetoluminescence properties of Hg1-xCdxTe epitaxial layers and superlattice structures grown by metalorganic molecular beam epitaxy

被引：5

作者：

Tran, TK ^{[1
]}

Parikh, A ^{[1
]}

Pearson, SD ^{[1
]}

Wagner, BK ^{[1
]}

Benz, RG ^{[1
]}

BicknellTassius, RN ^{[1
]}

Summers, CJ ^{[1
]}

Kelz, T ^{[1
]}

Tomm, JW ^{[1
]}

Hoerstel, W ^{[1
]}

Schafer, P ^{[1
]}

Muller, U ^{[1
]}

机构：

[1] HUMBOLDT UNIV BERLIN,INST PHYS,D-10099 BERLIN,GERMANY

来源：

JOURNAL OF ELECTRONIC MATERIALS | 1996年 / 25卷 / 08期

关键词：

HgCdTe; magnetoluminescence; MOMBE; superlattice structures;

D O I：

10.1007/BF02655009

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：

We present a study of the electro-optical properties ofHg(1-x)Cd(x)Te epitaxial layers and Hg1-xCdxTe/CdTe (0.28 < x < 0.30) superlattice structures by x-ray diffraction, lateral transport and photo- and magneto-luminescence measurements. Systematic studies of the excitation intensity and magnetic field dependence of the photoluminescence revealed direct evidence of an excitonic contribution to the observed luminescence in Hg1-xCdxTe epitaxial layers. Similar investigations of the superlattice structures indicated that excitonic corrections were required to adequately fit the luminescence data. Optical gains of 80 cm(-1) were obtained for an excitation intensity of 100 kW/cm(2) indicating suitable electro-optical properties for making efficient mid-infrared laser diodes.

引用

页码：1203 / 1208

页数：6

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