通过高温固相合成法合成Pb(1-x)SrxTiO3固溶化合物，用X射线衍射测定其固溶范围为0≤x≤1，晶胞参数随固溶度x连续变化，呈非线形关系；高温X射线衍射测定了x=0.0，0.15，0.20，0.50，0.90，1.0固溶化合物的结构，得出晶格常数与温度的关系，计算出相应的本征热膨胀系数．DSC分析表明，Pb(0.8)Sr(0.2)TiO3热力学性质稳定．
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