Anisotropy dependence of the chiral susceptibility in canonical spin glasses

K. Yamanaka; T. Taniguchi; Teruo Yamazaki; S. Kawarazaki

doi:10.1063/1.2355094

Anisotropy dependence of the chiral susceptibility in canonical spin glasses

K. Yamanaka^*, T. Taniguchi, Teruo Yamazaki, S. Kawarazaki

^*この研究の対応する著者

研究成果: Conference contribution

抄録

The influence of the Dzyaloshinsky-Moriya (DM) anisotropy on the extraordinary Hall coefficient R_s ≡ ρ _xy M, where ρ_xy is the extraordinary Hall resistivity and which contains the chiral susceptibility, is investigated on canonical spin glass alloys. The strength of the DM anisotropy of the alloys was changed systematically by doping with a third non-magnetic impurity. The Hall resistivity ρ_h, and the magnetization M were measured simultaneously in the series of (Ag_1-xAu_x) _{0 9}Mn_{0 1} alloys with x = 0, 0.007, 0.03, and 0.05. The difference between the values of zero field cooled and field cooled R _s, below the spin glass transition temperature, clearly increases with the amount of Au impurities. This indicates that the DM anisotropy plays an important role in the appearance of the chiral susceptibility in canonical spin glasses. The result is discussed in relation to recent proposals for the chirality mechanism of the Hall effect in canonical spin glasses.

本文言語	English
ホスト出版物のタイトル	LOW TEMPERATURE PHYSICS
ホスト出版物のサブタイトル	24th International Conference on Low Temperature Physics - LT24
ページ	1117-1118
ページ数	2
巻	850
DOI	https://doi.org/10.1063/1.2355094
出版ステータス	Published - 2006 12月 1
外部発表	はい
イベント	LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 - Orlando, FL 継続期間: 2006 8月 10 → 2006 10月 17

Other

Other	LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24
City	Orlando, FL
Period	06/8/10 → 06/10/17

ASJC Scopus subject areas

物理学および天文学（全般）

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10.1063/1.2355094

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Yamanaka, K, Taniguchi, T, Yamazaki, T & Kawarazaki, S 2006, Anisotropy dependence of the chiral susceptibility in canonical spin glasses. in LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24. vol. 850, pp. 1117-1118, LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24, Orlando, FL, 06/8/10. https://doi.org/10.1063/1.2355094

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title = "Anisotropy dependence of the chiral susceptibility in canonical spin glasses",

abstract = "The influence of the Dzyaloshinsky-Moriya (DM) anisotropy on the extraordinary Hall coefficient Rs ≡ ρ xy M, where ρxy is the extraordinary Hall resistivity and which contains the chiral susceptibility, is investigated on canonical spin glass alloys. The strength of the DM anisotropy of the alloys was changed systematically by doping with a third non-magnetic impurity. The Hall resistivity ρh, and the magnetization M were measured simultaneously in the series of (Ag1-xAux) 0 9Mn0 1 alloys with x = 0, 0.007, 0.03, and 0.05. The difference between the values of zero field cooled and field cooled R s, below the spin glass transition temperature, clearly increases with the amount of Au impurities. This indicates that the DM anisotropy plays an important role in the appearance of the chiral susceptibility in canonical spin glasses. The result is discussed in relation to recent proposals for the chirality mechanism of the Hall effect in canonical spin glasses.",

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AU - Yamanaka, K.

AU - Taniguchi, T.

AU - Yamazaki, Teruo

AU - Kawarazaki, S.

PY - 2006/12/1

Y1 - 2006/12/1

N2 - The influence of the Dzyaloshinsky-Moriya (DM) anisotropy on the extraordinary Hall coefficient Rs ≡ ρ xy M, where ρxy is the extraordinary Hall resistivity and which contains the chiral susceptibility, is investigated on canonical spin glass alloys. The strength of the DM anisotropy of the alloys was changed systematically by doping with a third non-magnetic impurity. The Hall resistivity ρh, and the magnetization M were measured simultaneously in the series of (Ag1-xAux) 0 9Mn0 1 alloys with x = 0, 0.007, 0.03, and 0.05. The difference between the values of zero field cooled and field cooled R s, below the spin glass transition temperature, clearly increases with the amount of Au impurities. This indicates that the DM anisotropy plays an important role in the appearance of the chiral susceptibility in canonical spin glasses. The result is discussed in relation to recent proposals for the chirality mechanism of the Hall effect in canonical spin glasses.

AB - The influence of the Dzyaloshinsky-Moriya (DM) anisotropy on the extraordinary Hall coefficient Rs ≡ ρ xy M, where ρxy is the extraordinary Hall resistivity and which contains the chiral susceptibility, is investigated on canonical spin glass alloys. The strength of the DM anisotropy of the alloys was changed systematically by doping with a third non-magnetic impurity. The Hall resistivity ρh, and the magnetization M were measured simultaneously in the series of (Ag1-xAux) 0 9Mn0 1 alloys with x = 0, 0.007, 0.03, and 0.05. The difference between the values of zero field cooled and field cooled R s, below the spin glass transition temperature, clearly increases with the amount of Au impurities. This indicates that the DM anisotropy plays an important role in the appearance of the chiral susceptibility in canonical spin glasses. The result is discussed in relation to recent proposals for the chirality mechanism of the Hall effect in canonical spin glasses.

KW - Chirality

KW - Hall resistivity

KW - Spin glass

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BT - LOW TEMPERATURE PHYSICS

T2 - LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24

Y2 - 10 August 2006 through 17 October 2006

ER -

Anisotropy dependence of the chiral susceptibility in canonical spin glasses

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