(1−x)Bi(Mg1/2Ti1/2)O3−xPbTiO3压电陶瓷的合成与结构研究

Journal of Physics C: Solid State Physics Pub Date : 2014-04-24 DOI:10.1063/1.4872497

A. Upadhyay, Rishikesh Pandey, Shashwat Anand, A. Singh

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引用次数: 3

摘要

本文利用粉末x射线衍射数据研究了x=0.28、0.37和0.45的(1−x)Bi(Mg1/2Ti1/2)O3−xPbTiO3 (BMT-xPT)压电陶瓷的结构。粉末x射线衍射数据的Rietveld细化表明，x>0.40的成分为四方结构(空间群P4mm)， x<0.30的成分为菱形结构(空间群R3m)。在0.30的中间组分中发现了向形态变化的相边界

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Synthesis and structural studies on (1−x)Bi(Mg1/2Ti1/2)O3−xPbTiO3 piezoceramics

We present here the structural studies on (1−x)Bi(Mg1/2Ti1/2)O3−xPbTiO3 (BMT-xPT) piezoceramics with x=0.28, 0.37 and 0.45 using powder x-ray diffraction data. Rietveld refinement of powder x-ray diffraction data reveals the tetragonal structure (space group P4mm) for the compositions with x>0.40 and rhombohedral (space group R3m) for the compositions with x<0.30 of BMT-xPT ceramics. The morphotropic phase boundary is found for the intermediate composition with 0.30

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Journal of Physics C: Solid State Physics

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