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通过示差扫描量热法(DSC),采用了Kissinger、Augis-Bennett和Matuasita理论对Ge23Se67Sb10玻璃的结晶动力学进行了分析研究.得到Ge23Se67Sb10玻璃的结晶激活能、频率因子和玻璃转变激活能的平均值分别为156.8kJ/mol、1.56×108s-1和420.3kJ/mol;Avrami指数n≈3表明Ge23Se67Sb10玻璃的结晶机制主要为三维形核生长机制.最后采用Lasocka经验公式讨论了玻璃化温度与升温速率的关系.

参考文献

[1] Zhang XH.;Guimond Y.;Bellec Y. .Production of complex chalcogenide glass optics by molding for thermal imaging[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2003(0):519-523.
[2] 陈国荣,章向华.红外夜视仪用精密模压硫系玻璃研究进展[J].硅酸盐通报,2004(01):3-7.
[3] 黎阳,陆伟,严彪.FINEMET合金晶化行为的DSC研究[J].材料科学与工程学报,2006(01):132-134.
[4] Mehta N;Agarwal P;Kumar A .[J].Turk J Phys,2005,29:193-200.
[5] Afify N;Moharram A H;Dongol M et al.[J].Physical Review B:Condensed Matter,1992,176(04):301-308.
[6] Yinnon H;Uhlmann D R .[J].Journal of Non-Crystalline Solids,1983,54:253.
[7] Soltan A S .[J].Physica B,2001,307:78.
[8] Ziani N;Belhadji M;Heireche L;Bouchaour Z;Belbachir M .Crystallization kinetics of Ge20Te80 chalcogenide glasses doped with Sb[J].Physica, B. Condensed Matter,2005(1/4):132-137.
[9] 孙国元,陈光,陈国良.非晶合金的晶化理论及几种Mg基非晶合金的晶化行为[J].有色金属,2004(04):1-7.
[10] Lin C C;Shen Pouyan .[J].Journal of Solid State Chemistry,1994,112(02):381-386.
[11] Matusita K;Sakka S .[J].Physics and Chemistry of Glasses,1979,20:81.
[12] Othman AA.;Tahon K.;Osman MA. .Glass transition and crystallization kinetic studies in Mg0.10As0.34Se0.56 chalcogenide glass by using non-isothermal techniques[J].Physica, B. Condensed Matter,2002(3/4):356-365.
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