Compositionally driven ferroelectric phase transition in xBiInO3-(1-x)BaTiO3: a lead-free perovskite-based piezoelectric material

被引:11
作者
Datta, K. [1 ]
Suard, E. [2 ]
Thomas, P. A. [1 ]
机构
[1] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
[2] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France
关键词
barium compounds; bismuth compounds; ferroelectric materials; ferroelectric transitions; piezoelectric materials; powder technology; solid solutions; CERAMICS;
D O I
10.1063/1.3442504
中图分类号
O59 [应用物理学];
学科分类号
摘要
A comprehensive structural investigation has been carried out on xBiInO(3)-(1-x)BaTiO3, where x <= 0.25, using the high resolution neutron powder diffractometer D2B at Institut Laue-Langevin, France. The room temperature structures of eight different compositions between x=0.03 and 0.25 of this solid solution have been determined through Rietveld refinement. A gradual structural phase transition has been observed as a function of composition, where the tetragonal (P4mm) structure (ferroelectric phase) has transformed into a cubic (Pm (3) over barm) structure (paraelectric phase) after passing through a region of coexisting phases. Details of the crystallographic information obtained from the refinement have been presented. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3442504]
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页数:3
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