Temperature Dependence of the Band Gap of MnAgIn7S12 Single Crystals

被引：0

作者：

Bodnar, I., V ^{[1
]}

Chan, B. T. ^{[1
]}

Pavlovskii, V. N. ^{[2
]}

Svitsiankou, I. E. ^{[2
]}

Yablonskii, G. P. ^{[2
]}

机构：

[1] Belarusian State Univ Informat & Radioelect, Minsk 220013, BELARUS

[2] Natl Acad Sci Belarus, Inst Phys, Minsk 220072, BELARUS

来源：

SEMICONDUCTORS | 2019年 / 53卷 / 12期

关键词：

single crystals; cubic spinel structure; transmittance spectra; band gap; PHOTOSENSITIVE STRUCTURES; SOLID-SOLUTIONS; MNIN2S4;

D O I：

10.1134/S106378261916005X

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

MnAgIn7S12 single crystals 16 mm in diameter and similar to 40 mm in length are grown by planar crystallization of the melt. It is shown that the material grown crystallizes with the formation of the cubic spinel structure. From the transmittance spectra recorded in the region of fundamental absorption in the temperature range 10-320 K, the band gap E-g of the single crystals and its temperature dependence are determined. The dependence has a shape typical of most semiconductor materials: as the temperature is lowered, the band gap Eg increases. A calculation is carried out, and it is shown that the calculated values are in agreement with the experimental data.

引用

页码：1593 / 1596

页数：4

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