Inhomogeneous level splitting in Pr2-xBixRu2O7

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dc.contributor.authorvan Duijn, J.
dc.contributor.authorKim, K. H.
dc.contributor.authorHur, N.
dc.contributor.authorAdroja, D.
dc.contributor.authorAdams, M. A.
dc.contributor.authorHuang, Q.Z.
dc.contributor.authorJaime, M.
dc.contributor.authorCheong, S.-W.
dc.contributor.authorBroholm, C.
dc.contributor.authorPerring, T.G.
dc.date.accessioned2010-01-07T20:21:06Z
dc.date.available2010-01-07T20:21:06Z
dc.date.issued2005-05-06
dc.description.abstractWe report that Bi doping drives Pr2-xBixRu2O7 from an antiferromagnetic insulator (x=0) to a metallic paramagnet (x≈1) with a broad low T maximum in C/T. Neutron scattering reveals local low energy spin excitations (ℎω≈1 meV) with a spectrum that is unaffected by heating to kBT>>ℎω. We show that a continuous distribution of splittings of the non-Kramers Pr3+ ground-state doublet such as might result from various types of lattice strain can account for all the data.en_US
dc.identifier.citationPhysical Review Letters, vol. 94, Issue 17, id. 177201en_US
dc.identifier.urihttp://jhir.library.jhu.edu/handle/1774.2/33752
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.subjectparamagnetic materialsen_US
dc.subjectpraseodymium compoundsen_US
dc.subjectneutron diffractionen_US
dc.subjectmetal-insulator transitionen_US
dc.subjectantiferromagnetic insulatoen_US
dc.subjectBi dopingen_US
dc.subjectmetallic paramagneten_US
dc.subjectbismuth compoundsen_US
dc.subjectantiferromagnetic materialsen_US
dc.subjectneutron scatteringen_US
dc.subjectlocal low energy spin excitationsen_US
dc.subjectnonKramers ground-state doubleten_US
dc.subjectlattice strainen_US
dc.subjectPr2-xBixRu2O7en_US
dc.titleInhomogeneous level splitting in Pr2-xBixRu2O7en_US
dc.typeArticleen_US
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