Critical phenomena in FINEMET alloy

Ponpandian, N and Narayanasamy, A and Prabhu, D and Ganesan, K and Raja, Manivel M and Chattopadhyay, K (2006) Critical phenomena in FINEMET alloy. In: Journal of Magnetism and Magnetic Materials, 296 (2). pp. 67-76.

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Abstract

The $Fe_{73.5}Cu_{1}Nb_{3}Si_{13.5}B_{9}$ FINEMET alloy has been prepared by the rapid solidification technique. The critical behaviour of this alloy in the amorphous as well as in its nanocrystalline states has been studied near their respective Curie temperatures. From the values of the critical exponents one can conclude that the alloy behaves like a 3D Heisenberg ferromagnet in the amorphous and nanocrystalline states. But there exists a slight increase in the value of \beta for the alloy annealed at 823 K (the nanocrystalline state) as observed in most of the amorphous alloys.

Item Type:	Journal Article
Publication:	Journal of Magnetism and Magnetic Materials
Publisher:	Elsevier Science BV
Additional Information:	Copyright for this article belongs to Elsevier.
Keywords:	FINEMET alloy;Critical exponents;Thermomagnetization
Department/Centre:	Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited:	15 Dec 2005
Last Modified:	19 Sep 2010 04:22
URI:	http://eprints.iisc.ac.in/id/eprint/4672

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