Paper Title:
Magnetic Investigations on Ni-Mn-Sn Ferromagnetic Shape Memory Alloy
  Abstract

Ferromagnetic shape memory alloy of nominal composition Ni50Mn35Sn15 has been investigated by magnetic and transport measurements. Clear signature of first order martensitic transition is observed over a region around 180 K in resistivity, dc magnetization and ac susceptibility data. Field-cooled and zero-field-cooled magnetizations diverge below the martensitic transition, signifying magneto-thermal irreversibility originating from pinning by variants. The sample shows large negative magneto-resistance (-25% at 90 kOe) in the region of martensitic transition, which was found to be highly irreversible. A clear correspondence between magnetoresistance and dc magnetization is observed above the field of technical saturation.

  Info
Periodical
Edited by
Lluis Mañosa, P.K. Mukhopadhyay and S.R. Barman
Pages
215-220
DOI
10.4028/www.scientific.net/AMR.52.215
Citation
S. Chatterjee, S. Giri, S.K. De, S. Majumdar, "Magnetic Investigations on Ni-Mn-Sn Ferromagnetic Shape Memory Alloy", Advanced Materials Research, Vol. 52, pp. 215-220, 2008
Online since
June 2008
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$32.00
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