固溶体
材料科学
相界
电介质
四方晶系
铋
结构精修
钛酸钡
相(物质)
结晶度
分析化学(期刊)
矿物学
晶体结构
结晶学
化学
复合材料
光电子学
冶金
有机化学
色谱法
作者
Lagen Kumar Pradhan,Rabichandra Pandey,Manoranjan Kar
出处
期刊:Nucleation and Atmospheric Aerosols
日期:2017-01-01
被引量:4
摘要
Lead free Bismuth sodium titanate (BNT) base solid solutions are focusing intensively due to their potential applications as an alternative for Pb-base compounds. In this work, Solid solutions of BNT and barium titanate [(1-x) BNT + x BTO with x=0.00, 0.06, 1.00] have been prepared via conventional solid state route by using the planetary ball mill method. Crystallinity of the samples characterized by XRD and various structural parameters are calculated by employing Rietveld refinement technique. The distinct peak (002/200) splitting around 460 to 470 confirmed the presence of both rhombohedral and tetragonal phase in the solid solution. Dielectric constant of the solid solution near the morphotropic phase boundary (x= 0.06) is significantly enhanced as compared to BNT and BTO. The electrical conductivity of the solid solution was found to reduce w.r.t to BNT. The above results indicate the possible application of BNT-BTO solid solution near MPB in the field of energy storage.
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