The vibrational modes of batio3 and pbtio3 in different crystalline phases have been investigated by means of density functional theory pseudopotential method 采用密度泛函赝势的方法，研究了不同晶相的钛酸铅和钛酸钡的振动模式。
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The vibrational modes of batio3 and pbtio3 in different crystalline phases have been investigated by means of density functional theory pseudopotential method 摘要采用密度泛函赝势的方法，研究了不同晶相的钛酸铅和钛酸钡的振动模式。
