The kinetics of crystallization in 70GeS_2-20Sb_2S_3-10CsCl chalcogenide glass was studied using differential scanning calorimetry (DSC) at different heating rate.The values of glass transition and crystallization tem...The kinetics of crystallization in 70GeS_2-20Sb_2S_3-10CsCl chalcogenide glass was studied using differential scanning calorimetry (DSC) at different heating rate.The values of glass transition and crystallization temperatures were found to be heating rate dependent.Using Matusita method,the crystallization activation energies E_c and crystallization parameter (n) calculated are 348.08±0.99 kJ/mol and 1.78.It suggests that there are two mechanisms:a surface and one-dimensional crystallization processes.展开更多
基金Funded by the 973 Project(No.2006CB708607)the Science and Technology Department of Zhejiang Province(No.2006C11127)+1 种基金the Science and Technology Foundation of Ningbo(No.2006B100068)the Natural Science Foundation of Ningbo(No.2006A610056,2007A610004)
文摘The kinetics of crystallization in 70GeS_2-20Sb_2S_3-10CsCl chalcogenide glass was studied using differential scanning calorimetry (DSC) at different heating rate.The values of glass transition and crystallization temperatures were found to be heating rate dependent.Using Matusita method,the crystallization activation energies E_c and crystallization parameter (n) calculated are 348.08±0.99 kJ/mol and 1.78.It suggests that there are two mechanisms:a surface and one-dimensional crystallization processes.
