Electrical and Aging Properties of Doped Barium Titanate Ceramics

被引：4

作者：

Dechakupt, T. ^{[1
,2
]}

Tangsritrakul, J. ^{[3
]}

Unruan, M. ^{[1
]}

Ketsuwan, P. ^{[4
]}

Srisombat, L. ^{[5
]}

Ananta, S. ^{[1
]}

Yimnirun, R. ^{[6
]}

机构：

[1] Chiang Mai Univ, Dept Phys & Mat Sci, Fac Sci, Chiang Mai 50000, Thailand

[2] CHE, ThEP Ctr, Bangkok 10400, Thailand

[3] Thammasat Univ, Dept Phys, Fac Sci & Technol, Prathumtani, Thailand

[4] Naresuan Univ, Dept Phys, Sch Sci & Technol, Phayao, Thailand

[5] Chiang Mai Univ, Dept Chem, Fac Sci, Chiang Mai 50000, Thailand

[6] Suranaree Univ Technol, Sch Phys, Inst Sci, Nakhon Ratchasima, Thailand

来源：

FERROELECTRICS | 2010年 / 403卷

关键词：

Barium titanate ceramics; electrical properties; aging; BATIO3; FERROELECTRICS; BEHAVIOR;

D O I：

10.1080/00150191003748980

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The tetragonal structured Ba(Ti1-xFex)O3 ceramics where x = 0, 0.005 and 0.01 were prepared by conventional mix-oxide method. Aging of dielectric properties and ferroelectric hysteresis loop was studied as a function of time. It was found that two aging stages might be existed in the aging process. The effect of Fe doping in barium titanate is not clearly seen in the aging of the dielectric properties while the effect obviously has influence on the P-E hysteresis loops. It is shown that the P-E loop of Fe doped compositions become constricted after aging. The remanent polarization and coercive field decreases as a function of time. The decreasing rate is higher for higher content of Fe dopant.

引用

页码：97 / 103

页数：7

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