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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Shell Model force field for Lead Zirconate Titanate Pb(Zr1-xTix)O-3
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Shell Model force field for Lead Zirconate Titanate Pb(Zr1-xTix)O-3

机译:铅锆型钛酸盐PB(ZR1-Xtix)O-3壳模型力场

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摘要

We have developed a shell model force field that reproduces the details of the phase diagram of the Pb(Zr1-x Ti-x)O-3(PZT) solid solution compound, including the low- and high-temperature phases of PbZrO3 and PbTiO3. The developed force field supports the temperature-induced phase transitions from cubic to low symmetry phases over the whole composition range and additionally reproduces the composition driven phase transitions. Indeed, the increase of Ti content induces a phase change of PZT from rhombohedral to tetragonal symmetry, mediated by a monoclinic phase, all in excellent agreement with the experiments.
机译:我们开发了一种壳体模型力场,可再现Pb(Zr1-x Ti-x)O-3(PZT)固溶体化合物的相图的细节,包括Pbzro3和Pbtio3的低温和高温相 。 发达的力场在整个组成范围内支持从立方体到低对称相的温度诱导的相变,并且另外再现组成驱动相转变。 实际上,Ti含量的增加会使PZT从菱形对称对称的相变,由单硅蛋白介导,均与实验很好。

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