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dc.contributor.authorVanitha, P V-
dc.contributor.authorSarathy, K Vijaya-
dc.contributor.authorCheetham, A K-
dc.contributor.authorRao, C N R-
dc.identifier.citationSolid State Communications 115(9), 463-466 (2000)en_US
dc.descriptionRestricted Accessen_US
dc.description.abstractIn order to explore whether the ferromagnetic metallic state ever occurs in the electron-doped rare-earth manganates, a comparative study of the effects of magnetic fields and of cation substitution in the Mn-site were carried out on hole-doped Pr0.64Ca0.36MnO3 and electron-doped Pr0.36Ca0.64MnO3 Unlike Pr0.64Ca0.36MnO3, which attains a ferromagnetic metallic state under an applied magnetic field or on 3% Ru (Cr3+) doping in the Mn-site, Pr0.36Ca0.64MnO3 failed to exhibit ferromagnetism even on applying magnetic field on a Ru-doped sample. A study of La0.33Ca0.33Sr0.34MnO3 With a larger Mn-O-Mn angle has shown it to be a paramagnetic insulator. This manganate also does not exhibit ferromagnetism on 3% Ru substitution and/or on application of a 12 T magnetic field. The present study establishes the absence of ferromagnetism in electron-doped manganates under all conditions. (C) 2000 Published by Elsevier Science Ltd.en_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.rights© 2000 Elsevier Science Ltden_US
dc.subjectmagnetically ordered materialsen_US
dc.subjectelectronic transporten_US
dc.titleAbsence of ferromagnetism in electron-doped rare-earth manganates, Ln(1-x)A(x)MnO(3) (x > 0.5)en_US
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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