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Title: Integrain magnetoresistance in electron-doped Sr2FeMoO6
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Keywords: Curie temperature, magnetoresistance, resistivity, X-ray diffraction.
Issue Date: 2002
Publisher: IEEE
Citation: M. Venkatesan, C.B.Fitzgerald, U.V.Varadaraju, and J.M.D.Coey 'Integrain magnetoresistance in electron-doped Sr2FeMoO6' in IEEE Transactions on Magnetics, 38, (5), 2002, pp 2901 - 2903
Series/Report no.: IEEE Transactions on Magnetics
Abstract: Electron-doped double perovskite compounds (Sr2 La )FeMoO6 ( = 0 0 0 5 0 7) were synthesized by combustion synthesis using Oxalic acid dihydrazide as fuel. There is an increase in Curie temperature ( ) with La substitution up to a value of 172 C for (Sr1 3La0 7)FeMoO6. The compound (Sr1 5La0 5)FeMoO6 with increased compared to the undoped sample, exhibits a intergrain magnetoresistance of about 3% in a field of 0.1 T. The presence of magnetoresistance in La-doped samples prepared by combustion synthesis is due to the increased number of intergrain tunnel barriers.
Description: PUBLISHED
Appears in Collections:Physics (Scholarly Publications)

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