Electron-phonon renormalization of the absorption edge of the cuprous halides -: art. no. 125110

被引：38

作者：

Serrano, J

Schweitzer, C

Lin, CT

Reimann, K

Cardona, M

Fröhlich, D

机构：

[1] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

[2] Univ Dortmund, Inst Phys, D-44221 Dortmund, Germany

[3] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany

来源：

PHYSICAL REVIEW B | 2002年 / 65卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.65.125110

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the isotope effects of copper and bromine on the gap of CuBr, and that of copper on the gap of CuI. The measured isotope effects reveal an anomalous negative shift with increasing copper mass for the three halides. These results allow us to understand the anomalous temperature dependences of the band gap E-0 in the copper halides, which we report in the case of CuI. Similarities to the behavior observed for the copper and silver chalcopyrites are also pointed out.

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页码：1 / 7

页数：7

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