Magnetic properties of layered oxysulfide Sr 2Cu 2(Co,Cu)O 2S 2 with Cu-doped CoO 2 square planes

S. Okada; M. Matoba; S. Fukumoto; S. Soyano; Y. Kamihara; T. Takeuchi; H. Yoshida; K. Ohoyama; Y. Yamaguchi

doi:10.1063/1.1450835

Magnetic properties of layered oxysulfide Sr ₂Cu ₂(Co,Cu)O ₂S ₂ with Cu-doped CoO ₂ square planes

S. Okada
, M. Matoba
, S. Fukumoto
, S. Soyano
, Y. Kamihara
, T. Takeuchi
, H. Yoshida
, K. Ohoyama
, Y. Yamaguchi

物理情報工学科

研究成果: Article › 査読

13 被引用数 (Scopus)

抄録

We have studied the magnetic properties of layered oxysulfide Sr ₂Cu ₂(Co,Cu)O ₂S ₂ with the (Co,Cu)O ₂ planes. Magnetic susceptibility shows a broad maximum indicative of two-dimensional antiferromagnetic nature above 140 K. Below 80 K, the divergence between zero-field cooled and field cooled magnetizations is seen; long time decay is observed at 10 and 75 K, while it is not observed at 45 K. These feature is discussed from the viewpoint of the strongly and frustrated spin system which is different from the traditional spin glass.

本文言語	English
ページ（範囲）	8861-8863
ページ数	3
ジャーナル	Journal of Applied Physics
巻	91
号	10 I
DOI	https://doi.org/10.1063/1.1450835
出版ステータス	Published - 2002 5月 15

ASJC Scopus subject areas

物理学および天文学一般

文献へのアクセス

10.1063/1.1450835

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引用スタイル

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abstract = "We have studied the magnetic properties of layered oxysulfide Sr 2Cu 2(Co,Cu)O 2S 2 with the (Co,Cu)O 2 planes. Magnetic susceptibility shows a broad maximum indicative of two-dimensional antiferromagnetic nature above 140 K. Below 80 K, the divergence between zero-field cooled and field cooled magnetizations is seen; long time decay is observed at 10 and 75 K, while it is not observed at 45 K. These feature is discussed from the viewpoint of the strongly and frustrated spin system which is different from the traditional spin glass.",

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AU - Okada, S.

AU - Matoba, M.

AU - Fukumoto, S.

AU - Soyano, S.

AU - Kamihara, Y.

AU - Takeuchi, T.

AU - Yoshida, H.

AU - Ohoyama, K.

AU - Yamaguchi, Y.

PY - 2002/5/15

Y1 - 2002/5/15

N2 - We have studied the magnetic properties of layered oxysulfide Sr 2Cu 2(Co,Cu)O 2S 2 with the (Co,Cu)O 2 planes. Magnetic susceptibility shows a broad maximum indicative of two-dimensional antiferromagnetic nature above 140 K. Below 80 K, the divergence between zero-field cooled and field cooled magnetizations is seen; long time decay is observed at 10 and 75 K, while it is not observed at 45 K. These feature is discussed from the viewpoint of the strongly and frustrated spin system which is different from the traditional spin glass.

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