文献类型：会议论文

英文题名：Thermal properties of chalcogenide glasses in the GeSe₂-As₂Se₃-CdSe system

作者：Zhao, Donghui[1];Zhang, Xianghua[1,2];Wang, Hua[1];Zeng, Huidan[1];Ma, Hongli[2];Adam, J. L.[2];Chen, Guorong[1]

机构：[1]E China Univ Sci & Technol, Sch Mat Sci & Engn, Minist Educ, Key Lab Ultrafine Mat, Shanghai 200237, Peoples R China;[2]Univ Rennes 1, Lab Verres & Ceram, F-35042 Rennes, France

会议论文集：Joint Conference of the International Symposium on Glass/Annual Meeting of the International-Commission-on-Glass

会议日期：APR 10-14, 2005

会议地点：Shanghai, PEOPLES R CHINA

语种：英文

外文关键词：crystallization; glass ceramics; nucleation; infrared glasses; chalcogenides; thermal properties; calorimetry; thermodynamics

摘要：In the present work, thermal properties of GeSe2-As2Se3-CdSe glasses were investigated via DSC measurements. The dependences of glass transition temperature and thermal stability on glass composition were discussed. XRD measurement was also performed to validate the effect of cadmium on the thermal properties of glasses. The calculated Avrami exponent was used to demonstrate the three-dimensional growth of crystals in the glass matrices. The crystallization kinetics for the glasses was studied by using the modified Kissinger and Ozawa equations. (c) 2007 Elsevier B.V. All rights reserved.