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dc.contributor.authorThomas, Marykutty-
dc.contributor.authorGeorge, K C-
dc.identifier.issn0975-1041 (Online); 0019-5596 (Print)-
dc.description.abstractNanocrystalline FePO4 prepared by chemical method has been characterized using TG/DTA, XRD, TEM and FTIR. Magnetic studies have been carried out using VSM, SQUID magnetometry and ESR measurements. The FePO4 for three reactant concentrations (1ML-1, 0.1ML-1, 0.02M L-1) has been prepared and the effect of reactant concentration on particle size and hence, on magnetic properties is studied. Magnetic susceptibility and ESR measurements support each other and FePO4 is found to be an anisotropic antiferromagnet with a Neel temperature of 21 K. As particle size decreases, the magnetic moment at room temperature decreases indicating magnetic moment disorder on the surface of smaller particles.en_US
dc.sourceIJPAP Vol.48(02) [February 2010]en_US
dc.subjectNanocrystalline FePO4en_US
dc.subjectReactant concentrationen_US
dc.subjectIR spectrumen_US
dc.subjectMagnetic susceptibilityen_US
dc.subjectNeel temperatureen_US
dc.titleCharacterisation and magnetic properties of nanocrystalline FePOen_US
Appears in Collections:IJPAP Vol.48(02) [February 2010]

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