首页|Crystal growth and ferroelectric properties in Bi_(0.5)K_(0.5)TiO_3-Bi_(0.5)Na_(0.5)TiO_3 crystals

Crystal growth and ferroelectric properties in Bi_(0.5)K_(0.5)TiO_3-Bi_(0.5)Na_(0.5)TiO_3 crystals

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Single crystals of x (Bi_(0.5)K_(0.5))TiO_3-(1-x)(Bi_(0.5)Na_(0.5))TiO_3 (BKT-BNT) solid solution were grown by a flux method, and their ferroelectric properties were investigated along [100]_(cubic) (the cubic notation). While the flux growth soaked at 1250 ℃ led to the crystals with a composition of x less than 0.14, the crystals with x of 0.45 were obtained by decreasing soaking temperature to 1150 ℃. The crystals of BKT-BNT (x = 0.45) exhibited a relatively large remanent polarization of 39 μC/cm~2 and a low coercive field of 23 kV/cm.

ferroelectricsbismuth sodium titanate (BNT)bismuth potassium titanate (BKT)single crystals

Akifumi Morishita、Yuuki Kitanaka、Makoto Izumi、Yuji Noguchi、Masaru Miyayama

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RCAST, The University of Tokyo, 4-6-1, Komaba, Meguro-ku, Tokyo 153-8904, Japan

2010

Key engineering materials

Key engineering materials

ISSN:1013-9826
年,卷(期):2010.445
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