气压和温度对气相法生长PbI_2晶体的影响

Effect of temperature and pressure on growth of PbI_2 crystal by vapor-growth technique

用平衡气压方程对气相法生长PbI2晶体过程中压强和温度对晶体组分的影响进行了计算.结果表明,在一定的温度下,总压强越高,PbI2开始分解的温度越高;在一定的总压强下,系统温度越低,PhI2分解的比例越小.

The effects of temperature and total pressure on compositions of PbI2 crystal grown by vapor phase were approximately calculated by equilibrium vapor equation and the results showed that the higher the total pressure, the higher the dissociation temperature under the certain temperature and the lower the temperature, the minor the dissociation of PbI2 under a certain total pressure.