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期刊论文

Solid solution Ba1-x PbxTiO3 and its thermal expansion

邢献然Xianran Xing* Jinxia Deng Zhenqi Zhu Guirong Liu

Journal of Alloys and Compounds 353(2003)1-4,-0001,():

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摘要/描述

The solid solution limit of Ba1-x PbxTiO3 was determined in the composition range of 0≤x≤1.0. All solid solution compounds were indexed in tetragonal symmetry with lead titanate structure type at room temperature. The cell parameters of Ba1-x PbxTiO3 continuously, but nonlinearly, change with x. The structure of Ba1-x PbxTiO3 is tetragonal in the temperature range RT–330℃ and in cubic system beyond 330℃ with HTXRPD. The intrinsic thermal expansion coefficients of Ba1-xPbxTiO3 (x=0, 0.5, 1.0) were obtained. The correlation between thermal expansion and ferroelectric properties is briefly discussed.

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