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dc.contributor.authorRevelli, A.en
dc.contributor.authorLoo, C. C.en
dc.contributor.authorKiese, D.en
dc.contributor.authorBecker, P.en
dc.contributor.authorFröhlich, T.en
dc.contributor.authorLorenz, T.en
dc.contributor.authorMoretti, Sala, M.en
dc.contributor.authorMonaco, G.en
dc.contributor.authorBuessen, F. L.en
dc.contributor.authorAttig, J.en
dc.contributor.authorHermanns, M.en
dc.contributor.authorStreltsov, S. V.en
dc.contributor.authorKhomskii, D. I.en
dc.contributor.authorVan, Den, Brink, J.en
dc.contributor.authorBraden, M.en
dc.contributor.authorVan, Loosdrecht, P. H. M.en
dc.contributor.authorTrebst, S.en
dc.contributor.authorParamekanti, A.en
dc.contributor.authorGrüninger, M.en
dc.date.accessioned2021-08-31T14:59:07Z-
dc.date.available2021-08-31T14:59:07Z-
dc.date.issued2019-
dc.identifier.citationSpin-orbit entangled j= 12 moments in Ba2CeIrO6: A frustrated fcc quantum magnet / A. Revelli, C. C. Loo, D. Kiese, et al. — DOI 10.1103/PhysRevB.100.085139 // Physical Review B. — 2019. — Vol. 100. — Iss. 8. — 085139.en
dc.identifier.issn24699950-
dc.identifier.otherFinal2
dc.identifier.otherAll Open Access, Green3
dc.identifier.otherhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85072555938&doi=10.1103%2fPhysRevB.100.085139&partnerID=40&md5=9f5e6bcf50f5368c41fadf031e025898
dc.identifier.otherhttp://arxiv.org/pdf/1901.06215m
dc.identifier.urihttp://elar.urfu.ru/handle/10995/101701-
dc.description.abstractWe establish the double perovskite Ba2CeIrO6 as a nearly ideal model system for j=1/2 moments, with resonant inelastic x-ray scattering indicating that the ideal j=1/2 state contributes by more than 99% to the ground-state wave function. The local j=1/2 moments form an fcc lattice and are found to order antiferromagnetically at TN=14K, more than an order of magnitude below the Curie-Weiss temperature. Model calculations show that the geometric frustration of the fcc Heisenberg antiferromagnet is further enhanced by a next-nearest neighbor exchange, and a significant size of the latter is indicated by ab initio theory. Our theoretical analysis shows that magnetic order is driven by a bond-directional Kitaev exchange and by local distortions via a strong magnetoelastic effect. Both, the suppression of frustration by Kitaev exchange and the strong magnetoelastic effect are typically not expected for j=1/2 compounds making Ba2CeIrO6 a riveting example for the rich physics of spin-orbit entangled Mott insulators. © 2019 American Physical Society.en
dc.format.mimetypeapplication/pdfen
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.sourcePhys. Rev. B2
dc.sourcePhysical Review Ben
dc.subjectANTIFERROMAGNETIC MATERIALSen
dc.subjectCALCULATIONSen
dc.subjectCERIUM COMPOUNDSen
dc.subjectGROUND STATEen
dc.subjectIRIDIUM COMPOUNDSen
dc.subjectMOTT INSULATORSen
dc.subjectPEROVSKITEen
dc.subjectQUANTUM ENTANGLEMENTen
dc.subjectWAVE FUNCTIONSen
dc.subjectX RAY SCATTERINGen
dc.subjectCURIE-WEISS TEMPERATUREen
dc.subjectDOUBLE PEROVSKITESen
dc.subjectGEOMETRIC FRUSTRATIONen
dc.subjectGROUND STATE WAVEFUNCTIONSen
dc.subjectHEISENBERG ANTIFERROMAGNETSen
dc.subjectMAGNETOELASTIC EFFECTSen
dc.subjectMODEL CALCULATIONSen
dc.subjectRESONANT INELASTIC X-RAY SCATTERINGen
dc.subjectBARIUM COMPOUNDSen
dc.titleSpin-orbit entangled j= 12 moments in Ba2CeIrO6: A frustrated fcc quantum magneten
dc.typeArticleen
dc.typeinfo:eu-repo/semantics/articleen
dc.typeinfo:eu-repo/semantics/publishedVersionen
dc.identifier.doi10.1103/PhysRevB.100.085139-
dc.identifier.scopus85072555938-
local.contributor.employeeRevelli, A., Institute of Physics II, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeLoo, C.C., Institute of Physics II, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeKiese, D., Institute for Theoretical Physics, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeBecker, P., Sect. Crystallography, Institute of Geology and Mineralogy, University of Cologne, Cologne, 50674, Germany
local.contributor.employeeFröhlich, T., Institute of Physics II, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeLorenz, T., Institute of Physics II, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeMoretti Sala, M., Dipartimento di Fisica, Politecnico di Milano, Milano, I-20133, Italy
local.contributor.employeeMonaco, G., Dipartimento di Fisica, Università di Trento, Povo (TN), I-38123, Italy
local.contributor.employeeBuessen, F.L., Institute for Theoretical Physics, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeAttig, J., Institute for Theoretical Physics, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeHermanns, M., Department of Physics, Stockholm University, AlbaNova University Center, Stockholm, SE-106 91, Sweden, Nordita, KTH Royal Institute of Technology, Stockholm University, Stockholm, SE-106 91, Sweden
local.contributor.employeeStreltsov, S.V., M.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Ekaterinburg, 620137, Russian Federation, Ural Federal University, Ekaterinburg, 620002, Russian Federation
local.contributor.employeeKhomskii, D.I., Institute of Physics II, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeVan Den Brink, J., Institute for Theoretical Solid State Physics, IFW Dresden, Dresden, 01069, Germany
local.contributor.employeeBraden, M., Institute of Physics II, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeVan Loosdrecht, P.H.M., Institute of Physics II, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeTrebst, S., Institute for Theoretical Physics, University of Cologne, Cologne, 50937, Germany
local.contributor.employeeParamekanti, A., Department of Physics, University of Toronto, Toronto, ON M5S 1A7, Canada
local.contributor.employeeGrüninger, M., Institute of Physics II, University of Cologne, Cologne, 50937, Germany
local.issue8-
local.volume100-
dc.identifier.wos000482582200006-
local.contributor.departmentInstitute of Physics II, University of Cologne, Cologne, 50937, Germany
local.contributor.departmentInstitute for Theoretical Physics, University of Cologne, Cologne, 50937, Germany
local.contributor.departmentSect. Crystallography, Institute of Geology and Mineralogy, University of Cologne, Cologne, 50674, Germany
local.contributor.departmentDipartimento di Fisica, Politecnico di Milano, Milano, I-20133, Italy
local.contributor.departmentDipartimento di Fisica, Università di Trento, Povo (TN), I-38123, Italy
local.contributor.departmentDepartment of Physics, Stockholm University, AlbaNova University Center, Stockholm, SE-106 91, Sweden
local.contributor.departmentNordita, KTH Royal Institute of Technology, Stockholm University, Stockholm, SE-106 91, Sweden
local.contributor.departmentM.N. Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Ekaterinburg, 620137, Russian Federation
local.contributor.departmentUral Federal University, Ekaterinburg, 620002, Russian Federation
local.contributor.departmentInstitute for Theoretical Solid State Physics, IFW Dresden, Dresden, 01069, Germany
local.contributor.departmentDepartment of Physics, University of Toronto, Toronto, ON M5S 1A7, Canada
local.identifier.purecab90dc1-7ce1-4272-89ac-fba2df31ea23uuid
local.identifier.pure10775427-
local.description.order085139-
local.identifier.eid2-s2.0-85072555938-
local.identifier.wosWOS:000482582200006-
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