Short Range Order Effect on Optical Birefringence in Two-Dimensional Ising-Like Antiferromagnet K2CoF4

Katsunori Iio; Mitsuo Sakatani; Kazukiyo Nagata

doi:10.1143/JPSJ.43.709

Journal of the Physical Society of Japan

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

Short Range Order Effect on Optical Birefringence in Two-Dimensional Ising-Like Antiferromagnet K₂CoF₄

Katsunori Iio, Mitsuo Sakatani, Kazukiyo Nagata

著者情報

ジャーナル認証あり

1977 年 43 巻 2 号 p. 709-710

DOI https://doi.org/10.1143/JPSJ.43.709

詳細

抄録

Measurements of optical birefringence have been made on two-dimensional Ising-like antiferromagnet K₂CoF₄. A symmetric logarithmic anomaly in the temperature dependence of the birefringence was observed around the Néel temperature T_N=107.42±0.02 K.