Birefringence of optically uni-axial ternary semiconductors

被引：31

作者：

Chiker, F. ^{[1
]}

Kebbab, Z. ^{[1
]}

Miloua, R. ^{[1
]}

Benramdane, N. ^{[1
]}

机构：

[1] Univ Djillali Liabes Sidi Bel Abbes, LECM, Sidi Bel Abbes 22000, Algeria

来源：

SOLID STATE COMMUNICATIONS | 2011年 / 151卷 / 21期

关键词：

Semiconductors; Optical properties; ABC2 CHALCOPYRITE SEMICONDUCTORS; BAND-STRUCTURE; ELECTRONIC-STRUCTURE; REFLECTIVITY SPECTRA; ZNGEP2; GAP; ENERGY; ZNSIAS2; ZNSIP2; GE;

D O I：

10.1016/j.ssc.2011.07.026

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Refractive indices and birefringences for some representative uni-axial crystals such as II-SiP(2) and II-GeP(2) have been determined over a wide range of wavelengths by the use of first-principles electronic structure calculations. First, the calculated refractive indices are fitted usually by a generalized Sellmeier equation which consists of several oscillation terms involve in its parameters more direct information about material such as electronic transitions or resonance wavelengths. Then, in contrast to all other semiconductors under discussion our spectra show a negative birefringence for CdSiP(2) in agreement with the experimental data, and they exhibit a considerable dispersion near the band gap. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1568 / 1573

页数：6

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