1.4热膨胀

International Tables for Crystallography Pub Date : 2013-12-19 DOI:10.1107/97809553602060000903

H. Küppers

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引用次数: 1

摘要

本章讨论了通过晶体对称、表示面、拟调和近似和格鲁尼森关系来减少独立张量分量的数目。实验方法包括衍射法、光学法和电学法。最后讨论了热膨胀与晶体结构的关系。关键词:Gruneisen关系;声分支;非简谐振动;电容方法;干涉法;推杆膨胀法;热膨胀

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1.4 Thermal expansion

This chapter discusses the reduction in the number of independent tensor components by crystal symmetry, representation surfaces, the quasiharmonic approximation and the Gruneisen relation. Experimental methods including diffraction, optical and electrical methods are presented. Finally, the relation between thermal expansion and crystal structure is discussed. Keywords: Gruneisen relation; acoustic branches; anharmonicity; capacitance method; interferometry; pushrod dilatometry; thermal expansion

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International Tables for Crystallography

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