Structure and Dielectric Properties of Lead-Free BaSn0.1Ti0.9O3-BaFe0.5Nb0.5O3 Ceramics

被引：1
作者：
Kantha, Puripat [1 ]
Pisitpipathsin, Nuttapon [2 ]
Eitssayeam, Sukum [2 ]
Pengpat, Kamonpan [2 ]
Pojprapai, Soodkhet [1 ]
机构：
[1] Suranaree Univ Technol, Inst Engn, Sch Ceram Engn, Nakhon Ratchasima 30000, Thailand
[2] Chiang Mai Univ, Fac Sci, Dept Phys & Mat Sci, Chiang Mai 50200, Thailand
来源：
FERROELECTRICS | 2014年 / 458卷 / 01期
关键词：
Barium stannate titanate; barium iron niobate; lead-free ceramics; dielectric properties; ELECTRICAL-PROPERTIES;
D O I：
10.1080/00150193.2013.850006
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Binary solid solutions of the (1-x)BaSn0.1Ti0.9O3-xBaFe(0.5)Nb(0.5)O(3) system, with x = 0, 0.05, 0.10, 0.15 and 0.20 were prepared via a solid-state processing technique. The BST and BFN powders were synthesized separately using a calcination technique with optimum temperature. XRD results revealed that the structures of the BST-BFN ceramics were of tetragonal symmetry and the tetragonality (c/a ratio) decreased with increasing BFN content. BFN caused enhanced dielectric constant of BST ceramics that increased with temperature. The highest dielectric constant was approximate to 120000 for x = 0.20 at temperature of 400 degrees C (1kHz).
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页码：83 / 90
页数：8
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