Journal
PHYSICAL REVIEW B
Volume 78, Issue 13, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.78.134406
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Funding
- Ramanna Research Grant
- DST
- Max-Planck Partner Group
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We predict the existence of a ferromagnetic shape memory alloy Ga2MnNi using density-functional theory. The martensitic start temperature (T-M) is found to be approximately proportional to the stabilization energy of the martensitic phase (delta E-tot) for different shape memory alloys. Experimental studies performed to verify the theoretical results show that Ga2MnNi is ferromagnetic at room temperature and T-M and T-C are 780 and 330 K, respectively. Both from theory and experiment, the martensitic transition is found to be volume conserving that is indicative of shape memory behavior.
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