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A new class of magnetic materials: Sr2FeMoO6 and related compounds

Sarma, DD (2001) A new class of magnetic materials: Sr2FeMoO6 and related compounds. In: Current Opinion in Solid State and Materials Science, 5 (4). pp. 261-268.

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Official URL: http://dx.doi.org/10.1016/S1359-0286(01)00014-6

Abstract

Ordered double perovskite oxides of the general formula A2BB′O6 have been known for several decades to have interesting electronic and magnetic properties. However, a recent report of a spectacular negative magnetoresistance effect in a specific member of this family, namely Sr2FeMoO6, has brought this class of compounds under intense scrutiny. It is now believed that the origin of the magnetism in this class of compounds is based on a novel kinetically-driven mechanism. This new mechanism is also likely to be responsible for the unusually high temperature ferromagnetism in several other systems, such as dilute magnetic semiconductors, as well as in various half-metallic ferromagnetic systems, such as Heussler alloys.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Keywords: Magnetic materials;Sr2FeMoO6;Double perovskites;Dilute magnetic semiconductors (DMS).
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 02 Aug 2011 08:52
Last Modified: 02 Aug 2011 08:52
URI: http://eprints.iisc.ernet.in/id/eprint/39500

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