| KCl晶体物态特性及结构相变的理论计算 |
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| 引用本文： | 张中明,字正华,陈旭,杨留方.KCl晶体物态特性及结构相变的理论计算[J].云南大学学报(自然科学版),1999,21(1):40-41. |
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| 作者姓名： | 张中明 字正华 陈旭 杨留方 |
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| 作者单位： | 云南大学物理系,昆明,650091 |
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| 摘 要： | 利用原子分子理论计算了ＫＣｌ晶体的物态特性及结构相变压力．计算结果表明，晶体在１７３ＧＰａ的高压下将发生从通常的ＮａＣｌ型晶体结构到ＣｓＣｌ型晶体结构的相变，相应的体积跃变为１６３％，其高压状态方程及相变压力的计算值与实验值符合较好．
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| 关 键 词： | KCl晶体 物态特性 状态方程 结构相变 体积跃变 |
Theoretical Calculation for the State Properties and Phase Transition of KCl Crystal |
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| ZHANG Zhongming,ZI Zhenghua,CHEN Xu,YANG Liufang.Theoretical Calculation for the State Properties and Phase Transition of KCl Crystal[J].Journal of Yunnan University(Natural Sciences),1999,21(1):40-41. |
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| Authors: | ZHANG Zhongming ZI Zhenghua CHEN Xu YANG Liufang |
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| Abstract: | Using the atomic and molecular theory,calculate the
state properties and the pressure of structural phase transition of KCl Crystal.Obtain the following
results,the KCl crystal is transferred to CsCl type structure from usual NaCl type structure at the
pressure 1.73GPa,the corresponding change of volume is 16.3%.The results coincide well with
experiments. |
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| Keywords: | KCl crystal state properties equation of state structural phase transition change of volume |
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