Dilatometric Study of Ferroelectric Rb2CdI4 Monoclinic Crystal Grown by Czochralski Method

被引：2

作者：

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

Gotou, S. ^{[2
]}

Miyoshi, T. ^{[3
]}

Kasano, H. ^{[3
]}

Mitsui, T. ^{[4
]}

Kurihama, T. ^{[5
]}

Shimizu, F. ^{[6
]}

Takashige, M. ^{[6
]}

机构：

[1] Meisei Univ, Sch Sci & Engn, Dept Elect Engn, Hino, Tokyo 1918506, Japan

[2] Meisei Univ, Grad Sch Sci & Engn, Hino, Tokyo 1918506, Japan

[3] Yamaguchi Univ, Grad Sch Sci & Engn, Dept Phys, Yamaguchi 7538512, Japan

[4] Teikyo Univ, Fac Pharmaceut Sci, Lab Dev Program, Sagamihara, Kanagawa 2290195, Japan

[5] Chubu Univ, Coll Engn, Elect & Informat Engn Dept, Kasugai, Aichi 4878501, Japan

[6] Iwaki Meisei Univ, Coll Sci & Engn, Dept Elect & Comp Sci, Iwaki, Fukushima 9708551, Japan

来源：

FERROELECTRICS | 2010年 / 402卷

关键词：

ferroelectricity; Rb2CdI4; Sr2GeS4; structure; thermal expansion; A2BX4-type;

D O I：

10.1080/00150191003709313

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Crystal growth of Rb2CdI4 was performed by Czochralski method. Transparent colourless crystals with monoclinic structure were obtained. Temperature dependence of the dielectric constant along the b-axis was measured with variation of frequency. The thermal expansions xi (i = a, b, c and a'; a' = a + c) along the four independent axes were measured both by clip-type strain-gauge dilatometer and X-ray diffraction methods. These results show distinct anomalies associated with the ferroelectric transition at TC= 210 K.

引用

页码：156 / 162

页数：7

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