FERROELECTRICITY IN BARIUM SODIUM TANTALATE BA2NATA5O15

被引:5
作者
TAKASHIGE, M [1 ]
HAMAZAKI, S [1 ]
TSUKIOKA, M [1 ]
SHIMIZU, F [1 ]
SUZUKI, H [1 ]
SAWADA, S [1 ]
机构
[1] NATL INST RES INORGAN MAT, SAKURA, IBARAKI 305, JAPAN
关键词
FERROELECTRICITY; PHASE TRANSITION; TUNGSTEN-BRONZE; BNNT; BNN; BNT;
D O I
10.1143/JPSJ.62.1486
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Ceramic samples of the mixed system Ba2NaNb5(1-x)Ta5xO15 were investigated through dielectric measurements. Ferroelectric activity was confirmed through observation of the 50 Hz D-E hysteresis loop for samples with x greater-than-or-equal-to 0.4. As a result, the end member, barium sodium tantalate (Ba2NaTa5O15), was assigned as a new ferroelectric below the 40 K range.
引用
收藏
页码:1486 / 1489
页数:4
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