Large magnetocaloric effect of Mn3-xCoxGaC

T. Tohei; H. Wada; T. Kanomata

doi:10.1016/j.jmmm.2003.12.1035

Large magnetocaloric effect of Mn_3-xCo_xGaC

T. Tohei, H. Wada, T. Kanomata

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

40 被引用数 (Scopus)

抄録

The magnetocaloric effect of Mn_3-xCo_xGaC has been investigated. Mn₃GaC shows a first-order antiferromagnetic to ferromagnetic transition at T_t = 160 K. Large magnetocaloric effects of ΔS_mag = 15 J/kgK, and ΔT_ad = 5.4 K were observed at the transition in an applied field of 2 T. The substitution of Co for Mn lowers T_t without significant loss of magnetocaloric effects. It was indicated that the system could cover a wide temperature range of 50-160 K by combining the compounds with various compositions from x = 0 to 0.05.

本文言語	英語
ページ（範囲）	e585-e586
ジャーナル	Journal of Magnetism and Magnetic Materials
巻	272-276
号	SUPPL. 1
DOI	https://doi.org/10.1016/j.jmmm.2003.12.1035
出版ステータス	出版済み - 5月 2004
外部発表	はい

!!!All Science Journal Classification (ASJC) codes

電子材料、光学材料、および磁性材料
凝縮系物理学

文献へのアクセス

10.1016/j.jmmm.2003.12.1035

他のファイルとリンク

引用スタイル

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abstract = "The magnetocaloric effect of Mn3-xCoxGaC has been investigated. Mn3GaC shows a first-order antiferromagnetic to ferromagnetic transition at Tt = 160 K. Large magnetocaloric effects of ΔSmag = 15 J/kgK, and ΔTad = 5.4 K were observed at the transition in an applied field of 2 T. The substitution of Co for Mn lowers Tt without significant loss of magnetocaloric effects. It was indicated that the system could cover a wide temperature range of 50-160 K by combining the compounds with various compositions from x = 0 to 0.05.",

author = "T. Tohei and H. Wada and T. Kanomata",

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AU - Tohei, T.

AU - Wada, H.

AU - Kanomata, T.

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N2 - The magnetocaloric effect of Mn3-xCoxGaC has been investigated. Mn3GaC shows a first-order antiferromagnetic to ferromagnetic transition at Tt = 160 K. Large magnetocaloric effects of ΔSmag = 15 J/kgK, and ΔTad = 5.4 K were observed at the transition in an applied field of 2 T. The substitution of Co for Mn lowers Tt without significant loss of magnetocaloric effects. It was indicated that the system could cover a wide temperature range of 50-160 K by combining the compounds with various compositions from x = 0 to 0.05.

AB - The magnetocaloric effect of Mn3-xCoxGaC has been investigated. Mn3GaC shows a first-order antiferromagnetic to ferromagnetic transition at Tt = 160 K. Large magnetocaloric effects of ΔSmag = 15 J/kgK, and ΔTad = 5.4 K were observed at the transition in an applied field of 2 T. The substitution of Co for Mn lowers Tt without significant loss of magnetocaloric effects. It was indicated that the system could cover a wide temperature range of 50-160 K by combining the compounds with various compositions from x = 0 to 0.05.

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