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An interesting magnetoresistive system:$Sr_2FeMoO_6$

Ray, Sugata and Sarma, DD (2004) An interesting magnetoresistive system:$Sr_2FeMoO_6$. [Preprint]


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Ordered double perovskite oxides of the general formula, $A_2BB'O_6,$ 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 $Sr_2FeMoO_6,$ has brought this class of compounds under intense scrutiny. In this small review, we present few theoretical and experimental results, describing mainly the effects of Fe/Mo antisite defects on the properties of this compound and also briefly discuss few other puzzling facts about this fascinating compound.

Item Type: Preprint
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Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 23 Mar 2006
Last Modified: 19 Sep 2010 04:24
URI: http://eprints.iisc.ernet.in/id/eprint/5886

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