Magnetic ordering and tunable structural phase transition in the chromic compound CuMoO4

Takayuki Asano, Taizo Nishimura, Shuta Ichimura, Yuji Inagaki, Tatsuya Kawae, Tomoya Fukui, Yasuo Narumi, Koichi Kindo, Toshimitsu Ito, Sara Haravifard, Bruce D. Gaulin

研究成果: ジャーナルへの寄稿記事

6 引用 (Scopus)

抄録

We report the first observation of long-range magnetic order in the chromic compound CuMoO4 at 1.75 K by means of a specific heat measurement in zero magnetic field. Magnetization measurements performed up to 57 T at 4.2 K indicate a plateau at 1/3 of the saturated magnetization consistent with a simple magnetic model of two non-interacting Cu2+ spins and two isolated antiferromagnetic dimers (J=kB = 26 K). A large temperature-hysteresis in the magnetic susceptibility is observed to originate from the structural phase transition and to be closely related to chromism between α-CuMoO4 (green) and γ-CuMoO4 (brownish-red). This discontinuous phase transition is tunable using substitutional effects in Cu1-xZnxMoO4 (0 ≥ × ≤ 0.1) and CuMo1-yWyO4 (0 ≤y ≤0.1) over a wide range of temperatures.

元の言語英語
記事番号093708
ジャーナルjournal of the physical society of japan
80
発行部数9
DOI
出版物ステータス出版済み - 9 1 2011

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magnetization
plateaus
heat measurement
hysteresis
dimers
specific heat
magnetic permeability
temperature
magnetic fields

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

これを引用

Magnetic ordering and tunable structural phase transition in the chromic compound CuMoO4. / Asano, Takayuki; Nishimura, Taizo; Ichimura, Shuta; Inagaki, Yuji; Kawae, Tatsuya; Fukui, Tomoya; Narumi, Yasuo; Kindo, Koichi; Ito, Toshimitsu; Haravifard, Sara; Gaulin, Bruce D.

:: journal of the physical society of japan, 巻 80, 番号 9, 093708, 01.09.2011.

研究成果: ジャーナルへの寄稿記事

Asano, T, Nishimura, T, Ichimura, S, Inagaki, Y, Kawae, T, Fukui, T, Narumi, Y, Kindo, K, Ito, T, Haravifard, S & Gaulin, BD 2011, 'Magnetic ordering and tunable structural phase transition in the chromic compound CuMoO4', journal of the physical society of japan, 巻. 80, 番号 9, 093708. https://doi.org/10.1143/JPSJ.80.093708
Asano, Takayuki ; Nishimura, Taizo ; Ichimura, Shuta ; Inagaki, Yuji ; Kawae, Tatsuya ; Fukui, Tomoya ; Narumi, Yasuo ; Kindo, Koichi ; Ito, Toshimitsu ; Haravifard, Sara ; Gaulin, Bruce D. / Magnetic ordering and tunable structural phase transition in the chromic compound CuMoO4. :: journal of the physical society of japan. 2011 ; 巻 80, 番号 9.
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abstract = "We report the first observation of long-range magnetic order in the chromic compound CuMoO4 at 1.75 K by means of a specific heat measurement in zero magnetic field. Magnetization measurements performed up to 57 T at 4.2 K indicate a plateau at 1/3 of the saturated magnetization consistent with a simple magnetic model of two non-interacting Cu2+ spins and two isolated antiferromagnetic dimers (J=kB = 26 K). A large temperature-hysteresis in the magnetic susceptibility is observed to originate from the structural phase transition and to be closely related to chromism between α-CuMoO4 (green) and γ-CuMoO4 (brownish-red). This discontinuous phase transition is tunable using substitutional effects in Cu1-xZnxMoO4 (0 ≥ × ≤ 0.1) and CuMo1-yWyO4 (0 ≤y ≤0.1) over a wide range of temperatures.",
author = "Takayuki Asano and Taizo Nishimura and Shuta Ichimura and Yuji Inagaki and Tatsuya Kawae and Tomoya Fukui and Yasuo Narumi and Koichi Kindo and Toshimitsu Ito and Sara Haravifard and Gaulin, {Bruce D.}",
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AU - Nishimura, Taizo

AU - Ichimura, Shuta

AU - Inagaki, Yuji

AU - Kawae, Tatsuya

AU - Fukui, Tomoya

AU - Narumi, Yasuo

AU - Kindo, Koichi

AU - Ito, Toshimitsu

AU - Haravifard, Sara

AU - Gaulin, Bruce D.

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N2 - We report the first observation of long-range magnetic order in the chromic compound CuMoO4 at 1.75 K by means of a specific heat measurement in zero magnetic field. Magnetization measurements performed up to 57 T at 4.2 K indicate a plateau at 1/3 of the saturated magnetization consistent with a simple magnetic model of two non-interacting Cu2+ spins and two isolated antiferromagnetic dimers (J=kB = 26 K). A large temperature-hysteresis in the magnetic susceptibility is observed to originate from the structural phase transition and to be closely related to chromism between α-CuMoO4 (green) and γ-CuMoO4 (brownish-red). This discontinuous phase transition is tunable using substitutional effects in Cu1-xZnxMoO4 (0 ≥ × ≤ 0.1) and CuMo1-yWyO4 (0 ≤y ≤0.1) over a wide range of temperatures.

AB - We report the first observation of long-range magnetic order in the chromic compound CuMoO4 at 1.75 K by means of a specific heat measurement in zero magnetic field. Magnetization measurements performed up to 57 T at 4.2 K indicate a plateau at 1/3 of the saturated magnetization consistent with a simple magnetic model of two non-interacting Cu2+ spins and two isolated antiferromagnetic dimers (J=kB = 26 K). A large temperature-hysteresis in the magnetic susceptibility is observed to originate from the structural phase transition and to be closely related to chromism between α-CuMoO4 (green) and γ-CuMoO4 (brownish-red). This discontinuous phase transition is tunable using substitutional effects in Cu1-xZnxMoO4 (0 ≥ × ≤ 0.1) and CuMo1-yWyO4 (0 ≤y ≤0.1) over a wide range of temperatures.

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