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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Abstract

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.

Original languageEnglish
Pages (from-to)2472
Number of pages1
JournalJournal of Applied Physics
Volume107
Issue number9
DOIs
Publication statusPublished - 1 May 2010
Externally publishedYes

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Chen, L., hu, F. X., Wang, J., Shen, J., Zhang, J., Sun, J. R., Shen, B. G., Yin, J. H., & Pan, L. Q. (2010). Magnetoresistance and magnetocaloric effect in metamagnetic alloys [formula omitted]. Journal of Applied Physics, 107(9), 2472. https://doi.org/10.1063/1.3359806