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摘要: 本文由Grneisen第二定则出发,采用普适能量函数作为原子间相互作用势能函数,计算立方晶体金属元素和几种NaCl型结构的碱卤晶体的线膨胀系数。计算值与实验值符合得很好。Abstract: Starting from the second law of Grneisen and making use of universal potential energy function as interaction potential function between atoms, we calculated thermal expansion coefficients of the cubic crystal metallic elements and alkali halide crystals at room temperature. The calculated value is in a very suitable agreement with the experimental value.
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Vinet P, Rose J H, Ferrante J, et al. J Phys C: Condens Matter, 1989, 1: 1941. Kennedy G C, Keeler R N. In: American Institute Physics Handbook. 3rd ed. Ed by D E Gray. New York: McGraw-Hill, 1972: 4-120, 9-5. 芶清泉. 固体物理学简明教程. 人民教育出版社, 1979: 22, 59. Gschneidner K A Jr. Solid State Phys, 1964, 16: 275. 孙凤国, 李勇. 高压物理学报, 1989, 3(2): 148.
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