Optical and thermal properties of Sb/Bi-modified mixed Ge-Ga-Se-Te glasses

被引：10
|
作者：
Golovchak, R. [1 ]
Kozdras, A. [2 ]
Hodge, T. [1 ]
Szlezak, J. [3 ,4 ]
Boussard-Pledel, C. [4 ]
Shpotyuk, Ya [3 ,5 ]
Bureau, B. [4 ]
机构：
[1] Austin Peay State Univ, Dept Phys & Astron, Clarksville, TN 37044 USA
[2] Opole Univ Technol, Fac Phys, PL-45370 Opole, Poland
[3] Univ Rzeszow, Fac Math & Nat Sci, PL-35959 Rzeszow, Poland
[4] Univ Rennes 1, CNRS, ISCR, Equipe Verres & Ceram V&C,UMR 6226, F-35042 Rennes, France
[5] Ivan Franko Natl Univ Lviv, Dept Sensor & Semicond Elect, 107 Tarnavskoho Str, UA-79017 Lvov, Ukraine
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 750卷
基金：
美国国家科学基金会;
关键词：
Chalcogenide glass; Crystallization; Kinetics; DSC; Optical properties; TOPOLOGICAL INSULATORS; KINETIC-ANALYSIS; CRYSTAL-GROWTH; THIN-FILMS; BI; BI2SE3;
D O I：
10.1016/j.jallcom.2018.04.066
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The non-isothermal crystallization kinetics of novel BixGa5Ge20Sb10-xSe45Te20 (x = 1,3,5,10) glasses are studied with differential scanning calorimetry method, and analyzed using Frazer-Suzuki fitting function. The applicability of Johnson-Mehl-Avrami (JMA) model to describe the crystallization kinetics in these materials is verified, and JMA exponent is determined for the relevant crystallization processes. It is found, that substitution of Sb with Bi in glass composition leads to a decrease in optical gap and thermal stability of the glass, and increase in the density and crystallization activation energy for glass-ceramics formation. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：721 / 728
页数：8
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