Magnetic and martensitic transitions in Ni-Fe-Ga alloy

Majumdar, S. ; Sharma, V. K. ; Manekar, M. ; Kaul, Rakesh ; Sokhey, K. J. S. ; Roy, S. B. ; Chaddah, P. (2005) Magnetic and martensitic transitions in Ni-Fe-Ga alloy Solid State Communications, 136 (2). pp. 85-88. ISSN 0038-1098

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The ferromagnetic shape memory alloy with nominal composition Ni54Fe19Ga27 is investigated by Ac susceptibility and resistivity measurements. The alloy shows long-range ferromagnetic order below 290 K. The anomaly due to the martensitic transition is observed in the susceptibility and resistivity data in the temperature range around 220 K, which is associated with clear thermal hysteresis. Minor hysteresis loop technique was used to investigate the phase coexistence across the martensitic transition, and our analysis indicate that both martensite and austenite phases mutually coexist in the region of hysteresis.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:A. Ferromagnetic Shape Memory Alloy; D. First Order Phase Transition
ID Code:84477
Deposited On:25 Feb 2012 13:56
Last Modified:25 Feb 2012 13:56

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