Please use this identifier to cite or link to this item: http://nopr.niscair.res.in/handle/123456789/9589
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dc.contributor.authorUniyal, Manish-
dc.contributor.authorBhatt, S C-
dc.contributor.authorBhandari, R-
dc.contributor.authorRao, M S Ramchandra-
dc.contributor.authorPant, R P-
dc.contributor.authorSemwal, B S-
dc.date.accessioned2010-06-02T09:15:38Z-
dc.date.available2010-06-02T09:15:38Z-
dc.date.issued2004-05-
dc.identifier.issn0975-1041 (Online); 0019-5596 (Print)-
dc.identifier.urihttp://hdl.handle.net/123456789/9589-
dc.description341-346en_US
dc.description.abstractConsidering a quadratic anharmonic model Hamiltonian and using double time temperature dependent Green's function method and Dyson’s equation treatment, expressions for the width in the frequency response for mixed perovskite type ferroelectrics have been obtained. Using the experimentally observed dielectric constant and loss tangent for Na1-xKxNbO3 [where x = 0, 0.4, 0.5], the temperature dependence of soft mode width in these samples at 10 and 100 kHz has been calculated. Anomaly has been observed in the behaviour of soft mode width, near the transition temperatures in these compounds.en_US
dc.language.isoen_USen_US
dc.publisherCSIRen_US
dc.relation.ispartofseriesH 01 L 41/00en_US
dc.sourceIJPAP Vol.42(05) [May 2004]en_US
dc.subjectFerroelectricityen_US
dc.subjectPiezoelectricityen_US
dc.subjectSoft mode frequencyen_US
dc.titleTemperature and frequency dependence of width in sodium potassium niobate mixed systemen_US
dc.typeArticleen_US
Appears in Collections:IJPAP Vol.42(05) [May 2004]

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