EXCITONIC EFFECTS IN SEPARATE-CONFINEMENT QUANTUM-WELL HETEROSTRUCTURES CDTE/(CD,ZN)TE

被引：30

作者：

DELEPORTE, E

BERROIR, JM

DELALANDE, C

MAGNEA, N

MARIETTE, H

ALLEGRE, J

CALATAYUD, J

机构：

[1] CEN,DEPT RECH FONDAMENTALE,PHYS SEMICOND LAB,F-38041 GRENOBLE,FRANCE

[2] UNIV GRENOBLE 1,SPECTROMETRIE PHYS LAB,F-38041 GRENOBLE,FRANCE

[3] UNIV MONTPELLIER 2,ETUD SEMICOND GRP,F-34060 MONTPELLIER,FRANCE

来源：

PHYSICAL REVIEW B | 1992年 / 45卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.45.6305

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Optical experiments, performed at 1.7 K, on three CdTe/(Cd,Zn)Te quantum-well separate-confinement heterostructures, reveal a type-I behavior of the 1s light-hole excitonic recombination line, although the band-to-band potential could be type II due to the strains. This behavior is explained in terms of the Coulombic interaction between the localized electrons and the light holes. Comparison between experimental and theoretical results provides a value for the strain-free relative valence-band offset: q(v)0 almost-equal-to 20%.

引用

页码：6305 / 6308

页数：4

共 16 条

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