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dc.contributor.authorSeikh, Md Motin-
dc.contributor.authorNarayana, Chandrabhas-
dc.contributor.authorCheetham, A K-
dc.contributor.authorRao, C N R-
dc.identifier.citationSolid State Sciences 7(12), 1486-1491 (2005)en_US
dc.descriptionRestricted Accessen_US
dc.description.abstractIn order to understand the differences between the nature of the electron- and the hole-doped compositions of rare earth manganates, properties of single crystals of Nd1−xCaxMnO3 with x=0.6 and 0.4 have been investigated. In the electrical resistivity measurements, the electron-doped (x=0.6) composition shows no effect of magnetic field unlike the hole-doped (x=0.4) composition, but both exhibit similar current-induced changes. Brillouin scattering studies show that the x=0.6 and 0.4 compositions show softening of the modes on cooling the samples towards charge-ordering transitions. The strength of coupling between the eg orbitals and the elastic strain is considerably larger in the hole-doped composition containing a larger population of Mn3+ ions.en_US
dc.publisherElsevier Science BVen_US
dc.rights© 2005 Elsevier SASen_US
dc.subjectRare earth compoundsen_US
dc.subjectTransition element compoundsen_US
dc.subjectInorganic compoundsen_US
dc.subjectAntiferromagnetic materialsen_US
dc.subjectOrthorhombic latticesen_US
dc.subjectQuaternary compoundsen_US
dc.subjectManganese oxidesen_US
dc.subjectCalcium oxidesen_US
dc.subjectNeodymium oxidesen_US
dc.subjectComposition effecten_US
dc.subjectElectrical conductivityen_US
dc.titleA comparative study of the electron- and hole-doped compositions of single crystalline Nd1-x CaxMnO3 (x = 0.6 and 0.4) by Brillouin scatteringen_US
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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