Magnetoresistance and magnetocaloric effect in metamagnetic alloys [formula omitted]

L. Chen, F. X. hu, J. Wang, J. Shen, J. Zhang, J. R. Sun, B. G. Shen, J. H. Yin, L. Q. Pan

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15 引用 (Scopus)

摘要

Magnetoresistance (MR) and magnetocaloric effect around martensitic transformation were investigated in a [formula omitted] alloy. The martensitic temperature [formula omitted] locates at [formula omitted]. An external magnetic field can drive [formula omitted] to a lower temperature at a rate of [formula omitted]. Associated with the field-induced metamagnetic behaviors, a large MR takes place. The maximal MR exceeds 80% under a field of 5 T around 235 K. More attractive is that the MR behavior is fully recoverable against magnetic field. We also studied the magnetocaloric effect associated with the martensitic transformation and found a large magnetic entropy change [formula omitted] around 252 K.

源语言英语
页(从-至)2472
页数1
期刊Journal of Applied Physics
107
9
DOI
出版状态已出版 - 1 5月 2010
已对外发布

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