| 双六方密堆积结构稀土元素热膨胀的电子理论 |
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| 引用本文： | 崔秀山 万纾民. 双六方密堆积结构稀土元素热膨胀的电子理论[J]. 北京理工大学学报, 1992, 12(4): 55-58 |
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| 作者姓名： | 崔秀山 万纾民 |
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| 作者单位： | 北京理工大学化工与材料学院(崔秀山)，暨南大学(万纾民) |
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| 摘 要： | 理论确定双六方密堆积结构的La,Ce,Pr和Nd的点阵常数与温度间的函数关系,比较了298K时线膨胀系数的理论值与实验值,并指出热膨胀对微观结构是敏感的。
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| 关 键 词： | 密堆积 热膨胀 稀土族 电子结构 |
An Electronic Theory on the Thermal Expansion of Rare Earth Elements Having DHCP Structures |
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| Cui Xiushan. An Electronic Theory on the Thermal Expansion of Rare Earth Elements Having DHCP Structures[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 1992, 12(4): 55-58 |
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| Authors: | Cui Xiushan |
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| Abstract: | The functional relations between temperature and the lattice constants of rare earth elements having DHCP structures have been deduced theoretically. Comparison of the calculated linear thermal expansion coefficients at 298 K with experimental results has also been made. It seems that the thermal expansion is sensitive to the microstructure of the crystals. |
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| Keywords: | close packing thermal expansion/electron theory |
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