| BaTiO3的相温度曲线 |
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| 引用本文： | 蔡玉平,韩代朝,宁如云.BaTiO3的相温度曲线[J].军械工程学院学报,2009,21(5):76-78. |
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| 作者姓名： | 蔡玉平 韩代朝 宁如云 |
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| 作者单位： | 军械工程学院基础部,河北石家庄050003 |
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| 摘 要： | 根据BaTiO3的吉布斯自由能展开式，讨论了对称群Oh操作的所有不可约表示，考虑到不同不可约表示项的相互作用，并利用相稳定条件，推导出可能对称相的温度曲线。
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| 关 键 词： | 自由能展开式 不可约表示 稳定条件 相温度曲线 |
On the Temperature Regions of the Phases of BaTiO3 |
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| CAI Yu-ping,HAN Dai-zhao,NING Ru-yun.On the Temperature Regions of the Phases of BaTiO3[J].Journal of Ordnance Engineering College,2009,21(5):76-78. |
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| Authors: | CAI Yu-ping HAN Dai-zhao NING Ru-yun |
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| Institution: | ( Department of Basic Courses, Ordnance Engineering College, Shijiazhuang 050003,China) |
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| Abstract: | The invariants of all the irreducible representations of group Oh are discussed, based on the Gibbs free energy expansion of BaTiO3. In consideration of the mutual effect between the terms belonging to the different irreducible representations and by using the stability conditions of the phases, the temperature regions of the possible phases are calculated. |
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| Keywords: | free energy expansion irreducible representation stability conditions temperature region of phase |
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