Magnetic shape memory effect in orbital-spin-coupled system MnV 2O 4

Y. Nii; N. Abe; K. Taniguchi; T. Arima

doi:10.1063/1.3681581

Magnetic shape memory effect in orbital-spin-coupled system MnV ₂O ₄

Y. Nii, N. Abe, K. Taniguchi, T. Arima

IMR - Materials Design Division

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Abstract

Magnetic-field(H)-induced shape memory effect without temperature variation is demonstrated by a combination of H-sweep and H-rotation in an orbital-spin-coupled spinel-type insulating system MnV ₂O ₄. A rotation of the direction of a magnetic field of 5 T in the low-temperature tetragonal phase gives rise to a large macroscopic strain up to 1, which stems from a 90 rotation of tetragonal domains. The results show several possible ways of macroscopic shape control in this class of matter, and may open a possibility of high-speed actuators free from the eddy current.

Original language	English
Article number	051905
Journal	Applied Physics Letters
Volume	100
Issue number	5
DOIs	https://doi.org/10.1063/1.3681581
Publication status	Published - 2012 Jan 30

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10.1063/1.3681581

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title = "Magnetic shape memory effect in orbital-spin-coupled system MnV 2O 4 ",

abstract = "Magnetic-field(H)-induced shape memory effect without temperature variation is demonstrated by a combination of H-sweep and H-rotation in an orbital-spin-coupled spinel-type insulating system MnV 2O 4. A rotation of the direction of a magnetic field of 5 T in the low-temperature tetragonal phase gives rise to a large macroscopic strain up to 1, which stems from a 90 rotation of tetragonal domains. The results show several possible ways of macroscopic shape control in this class of matter, and may open a possibility of high-speed actuators free from the eddy current.",

author = "Y. Nii and N. Abe and K. Taniguchi and T. Arima",

note = "Funding Information: The authors thank T. Yagi for his help in the experiment. This work was supported by Grants-in-aid (19052001, 19340089) from MEXT, Japan. Y.N. was also supported by Grant-in Aid for JSPS Fellows (Grant No. 234410) from the JSPS. ",

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T1 - Magnetic shape memory effect in orbital-spin-coupled system MnV 2O 4

AU - Nii, Y.

AU - Abe, N.

AU - Taniguchi, K.

AU - Arima, T.

N1 - Funding Information: The authors thank T. Yagi for his help in the experiment. This work was supported by Grants-in-aid (19052001, 19340089) from MEXT, Japan. Y.N. was also supported by Grant-in Aid for JSPS Fellows (Grant No. 234410) from the JSPS.

PY - 2012/1/30

Y1 - 2012/1/30

N2 - Magnetic-field(H)-induced shape memory effect without temperature variation is demonstrated by a combination of H-sweep and H-rotation in an orbital-spin-coupled spinel-type insulating system MnV 2O 4. A rotation of the direction of a magnetic field of 5 T in the low-temperature tetragonal phase gives rise to a large macroscopic strain up to 1, which stems from a 90 rotation of tetragonal domains. The results show several possible ways of macroscopic shape control in this class of matter, and may open a possibility of high-speed actuators free from the eddy current.

AB - Magnetic-field(H)-induced shape memory effect without temperature variation is demonstrated by a combination of H-sweep and H-rotation in an orbital-spin-coupled spinel-type insulating system MnV 2O 4. A rotation of the direction of a magnetic field of 5 T in the low-temperature tetragonal phase gives rise to a large macroscopic strain up to 1, which stems from a 90 rotation of tetragonal domains. The results show several possible ways of macroscopic shape control in this class of matter, and may open a possibility of high-speed actuators free from the eddy current.

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Magnetic shape memory effect in orbital-spin-coupled system MnV ₂O ₄

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