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Critical Behavior of Y(2)NiMnO(6)Double Perovskite

Nhalil, Hariharan and Nair, Harikrishnan S and Elizabeth, Suja (2016) Critical Behavior of Y(2)NiMnO(6)Double Perovskite. In: International Conference on Condensed Matter and Applied Physics (ICC), OCT 30-31, 2015, Bikaner, INDIA.

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Official URL: http://dx.doi.org/10.1063/1.4946235

Abstract

Critical behavior of double perovskite Y2NiMnO6 near the second-order ferromagnetic transition is studied. Scaling exponents calculated frommodified Arrot plots are confirmed by Kouvel-Fisher method and satisfy the Widom's scaling relation. The exponents do not follow any conventional theoretical models.beta values areconsistent with 3D-Ising model while delta conformsto TCMF and gamma valueclosely relates to the 3D-Heisenberg model. Critical exponents are compared with similar R2NiMnO6 double perovskites which shows that a decrease in size of R ion changes exponents from mean-field to the 3D-Ising model.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belongs to the AMER INST PHYSICS, 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Id for Latest eprints
Date Deposited: 30 Jun 2016 04:31
Last Modified: 30 Jun 2016 04:31
URI: http://eprints.iisc.ac.in/id/eprint/54112

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