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

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

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20 Citations (Scopus)


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 languageEnglish
Article number051905
JournalApplied Physics Letters
Issue number5
Publication statusPublished - 2012 Jan 30


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