MAGNETOOPTICS AND VALENCE-BAND DISCONTINUITY IN A HGTE-HG1-XCDXTE SUPERLATTICE

被引：24

作者：

VONTRUCHSESS, M ^{[1
]}

LATUSSEK, V ^{[1
]}

GOSCHENHOFER, F ^{[1
]}

BECKER, CR ^{[1
]}

LANDWEHR, G ^{[1
]}

BATKE, E ^{[1
]}

SIZMANN, R ^{[1
]}

HELGESEN, P ^{[1
]}

机构：

[1] NORWEGIAN DEF RES ESTAB,DIV ELECTR,N-2007 KJELLER,NORWAY

来源：

PHYSICAL REVIEW B | 1995年 / 51卷 / 24期

关键词：

D O I：

10.1103/PhysRevB.51.17618

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report here on infrared magneto-optical studies of band gaps and electron cyclotron resonances of a narrow-gap HgTe-Hg1-xCdxTe superlattice. The experimental electron effective mass at the conduction-band edge and four different interband transition energies are compared to the prediction of a 8×8 kp band-structure calculation in order to determine the valence-band discontinuity between HgTe and CdTe. At liquid-helium temperatures an excellent description of the experiment is obtained with a band offset of 550 meV. Agreement between experiment and theory is not satisfactory with the valence-band offset of 350 meV as deduced from x-ray and ultraviolet photoelectron spectroscopy. © 1995 The American Physical Society.

引用

页码：17618 / 17623

页数：6

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