Cd在Cd0．9Zn0．1Te晶体中的有效扩散系数与扩散激活能

来源 :稀有金属材料与工程 | 被引量 : 0次 | 上传用户：WANGZHHUO

【摘要】

：

为了计算Cd在Cd0.9Zn0.1Te（CZT）晶体中的有效扩散系数Dcd与扩散激活能Qcd，利用Cd在CZT晶体中的扩散特性，设计了在不同Cd压下对CZT的退火实验，推导出了晶体电阻率与Cd有效扩散系数

【作者】

：

刘洪涛桑文斌李万万张斌闵嘉华詹峰曹泽淳

【机构】

：

上海大学电子信息材料系

【出处】

：

稀有金属材料与工程

【发表日期】

：

2006年10期

【关键词】

：

Cd0.9Zn0.1Te(CZT) 有效扩散系数DCd 扩散激活能Qcd 数值拟合 Cd0.9Zn0.1Te（CZT） effective diffusion

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为了计算Cd在Cd0.9Zn0.1Te（CZT）晶体中的有效扩散系数Dcd与扩散激活能Qcd，利用Cd在CZT晶体中的扩散特性，设计了在不同Cd压下对CZT的退火实验，推导出了晶体电阻率与Cd有效扩散系数之间的函数关系，经过计算，首次获得了在1073K，973K和873K温度时cd原子在CZT晶体中的有效扩散系数Dcd，分别为1．464×10^-10cm^2／s，1．085×10^-11cm^2／s和4．167×10^-13cm^2／s。将扩散数据经过拟合后得到了Cd原子在C

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Cd在Cd0．9Zn0．1Te晶体中的有效扩散系数与扩散激活能

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