Influence of a small lattice deformation on the superconductive critical temperature of alloys with the Cu<sub>3</sub>Au-type structure期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Influence of a small lattice deformation on the superconductive critical temperature of alloys with the Cu₃Au-type structure

Authors:	H Damsma EE Havinga

Institution:	Philips Research Laboratories, Eindhoven, The Netherlands

Abstract:	Lattice dimensions and superconductive critical temperature, T_c, of Ca_1?xSr_xPb₃ alloys have been measured. The Cu₃Au-type cubic structure of CaPb₃ becomes tetragonally distorted near x=0·50. At the same composition a marked increase in T_c is found, which is explained in terms of Brillouin zone effects.

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