New Ferroelectric K2ZnBr4

Fuminao Shimizu; Toshihisa Yamaguchi; Haruhiko Suzuki; Masaaki Takashige; Shozo Sawada

doi:10.1143/JPSJ.59.1936

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

New Ferroelectric K₂ZnBr₄

Fuminao Shimizu, Toshihisa Yamaguchi, Haruhiko Suzuki, Masaaki Takashige, Shozo Sawada

著者情報

キーワード: K₂ZnBr₄, ferroelectricity, Rb₂ZnCl₄-group ferroelectrics, phase transition

ジャーナル認証あり

1990 年 59 巻 6 号 p. 1936-1939

DOI https://doi.org/10.1143/JPSJ.59.1936

詳細

抄録

The phase transition sequence of a K₂ZnBr₄ crystal was investigated by DTA and dielectric measurements. It was found that the crystal undergoes at least two phase transitions, at −118°C and around 200°C, on heating. Ferroelectricity was observed below the lower transition point.