Optical Absorption of Large Band-Gap Sb_xBi_(1-x)I_3 Alloys

机译：大带隙Sb_xBi_（1-x）I_3合金的光吸收

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The optical properties of SbBiI_3 alloys have been investigated experimentally by absorption measurements and theoretically by a full-potential augmented plane wave (FPLAPW) method within the generalized gradient approximation. The fundamental band-gap energy of these alloys changes from BiI_3- to SbI_3-like with increasing percentage of Sb content. The calculated band-gap energies as well as the optical absorption were found to be in a very good qualitatively agreement with the experimental results. We present calculated density-of-states as well as the dielectric functions for evaluation of future experiments.

机译：SbBiI_3合金的光学性能已通过吸收测量进行了实验研究，并在广义梯度近似内通过理论上通过全电势增强平面波（FPLAPW）方法进行了研究。随着Sb含量的增加，这些合金的基本带隙能从BiI_3-变为SbI_3-。发现计算出的带隙能量以及光吸收与实验结果在质量上非常吻合。我们提出了计算的状态密度以及介电函数，用于评估未来的实验。

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《Symposium on Progress in Semiconductors Ⅱ―Electronic and Optoelectronic Applications Dec 2-5, 2002 Boston, Massachusetts, U.S.A.》|2002年|p.295-300|共6页
会议地点 Boston MA(US);Boston MA(US)
作者
C. Persson; R. Ahuja; J. Souza de Almeida; B. Johansson C. Y. An; F.A. Ferreira; N. Souza Dantas; I. Pepe; A. Ferreira da Silva;
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Solid State Theory Group, National Renewable Energy Laboratory 1617 Cole Boulevard Golden, CO 80401, USA;

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原文格式 PDF
正文语种 eng
中图分类无线电电子学、电信技术;
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Optical Absorption of Large Band-Gap Sb_xBi_(1-x)I_3 Alloys

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