000276651 001__ 276651
000276651 005__ 20210129220925.0
000276651 0247_ $$2doi$$a10.1103/PhysRevX.5.041004
000276651 0247_ $$2Handle$$a2128/9507
000276651 0247_ $$2WOS$$aWOS:000362489800001
000276651 0247_ $$2altmetric$$aaltmetric:4611972
000276651 037__ $$aFZJ-2015-06979
000276651 082__ $$a530
000276651 1001_ $$0P:(DE-HGF)0$$aBhobe, P. A.$$b0
000276651 245__ $$aElectronic Structure Evolution across the Peierls Metal-Insulator Transition in a Correlated Ferromagnet
000276651 260__ $$aCollege Park, Md.$$bAPS$$c2015
000276651 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1449124830_15369
000276651 3367_ $$2DataCite$$aOutput Types/Journal article
000276651 3367_ $$00$$2EndNote$$aJournal Article
000276651 3367_ $$2BibTeX$$aARTICLE
000276651 3367_ $$2ORCID$$aJOURNAL_ARTICLE
000276651 3367_ $$2DRIVER$$aarticle
000276651 520__ $$aTransition metal compounds often undergo spin-charge-orbital ordering due to strong electron-electron correlations. In contrast, low-dimensional materials can exhibit a Peierls transition arising from low-energy electron-phonon-coupling-induced structural instabilities. We study the electronic structure of the tunnel framework compound K2Cr8O16, which exhibits a temperature-dependent (T-dependent) paramagnetic-to-ferromagnetic-metal transition at TC=180  K and transforms into a ferromagnetic insulator below TMI=95  K. We observe clear T-dependent dynamic valence (charge) fluctuations from above TC to TMI, which effectively get pinned to an average nominal valence of Cr+3.75 (Cr4+∶Cr3+ states in a 3∶1 ratio) in the ferromagnetic-insulating phase. High-resolution laser photoemission shows a T-dependent BCS-type energy gap, with 2G(0)∼3.5(kBTMI)∼35  meV. First-principles band-structure calculations, using the experimentally estimated on-site Coulomb energy of U∼4  eV, establish the necessity of strong correlations and finite structural distortions for driving the metal-insulator transition. In spite of the strong correlations, the nonintegral occupancy (2.25 d−electrons/Cr) and the half-metallic ferromagnetism in the t2g up-spin band favor a low-energy Peierls metal-insulator transition.
000276651 536__ $$0G:(DE-HGF)POF3-142$$a142 - Controlling Spin-Based Phenomena (POF3-142)$$cPOF3-142$$fPOF III$$x0
000276651 588__ $$aDataset connected to CrossRef
000276651 7001_ $$0P:(DE-HGF)0$$aKumar, A.$$b1
000276651 7001_ $$0P:(DE-HGF)0$$aTaguchi, M.$$b2
000276651 7001_ $$0P:(DE-HGF)0$$aEguchi, R.$$b3
000276651 7001_ $$0P:(DE-HGF)0$$aMatsunami, M.$$b4
000276651 7001_ $$0P:(DE-HGF)0$$aTakata, Y.$$b5
000276651 7001_ $$0P:(DE-Juel1)157778$$aNandy, Ashis Kumar$$b6
000276651 7001_ $$0P:(DE-HGF)0$$aMahadevan, P.$$b7
000276651 7001_ $$0P:(DE-HGF)0$$aSarma, D. D.$$b8
000276651 7001_ $$0P:(DE-Juel1)145527$$aNeroni, A.$$b9
000276651 7001_ $$0P:(DE-Juel1)130937$$aŞaşıoğlu, E.$$b10
000276651 7001_ $$0P:(DE-Juel1)130799$$aLežaić, M.$$b11
000276651 7001_ $$0P:(DE-HGF)0$$aOura, M.$$b12
000276651 7001_ $$0P:(DE-HGF)0$$aSenba, Y.$$b13
000276651 7001_ $$0P:(DE-HGF)0$$aOhashi, H.$$b14
000276651 7001_ $$0P:(DE-HGF)0$$aIshizaka, K.$$b15
000276651 7001_ $$0P:(DE-HGF)0$$aOkawa, M.$$b16
000276651 7001_ $$0P:(DE-HGF)0$$aShin, S.$$b17
000276651 7001_ $$0P:(DE-HGF)0$$aTamasaku, K.$$b18
000276651 7001_ $$0P:(DE-HGF)0$$aKohmura, Y.$$b19
000276651 7001_ $$0P:(DE-HGF)0$$aYabashi, M.$$b20
000276651 7001_ $$0P:(DE-HGF)0$$aIshikawa, T.$$b21
000276651 7001_ $$0P:(DE-HGF)0$$aHasegawa, K.$$b22
000276651 7001_ $$0P:(DE-HGF)0$$aIsobe, M.$$b23
000276651 7001_ $$0P:(DE-HGF)0$$aUeda, Y.$$b24
000276651 7001_ $$0P:(DE-HGF)0$$aChainani, A.$$b25$$eCorresponding author
000276651 773__ $$0PERI:(DE-600)2622565-7$$a10.1103/PhysRevX.5.041004$$gVol. 5, no. 4, p. 041004$$n4$$p041004$$tPhysical review / X$$v5$$x2160-3308$$y2015
000276651 8564_ $$uhttps://juser.fz-juelich.de/record/276651/files/PhysRevX.5.041004.pdf$$yOpenAccess
000276651 8564_ $$uhttps://juser.fz-juelich.de/record/276651/files/PhysRevX.5.041004.gif?subformat=icon$$xicon$$yOpenAccess
000276651 8564_ $$uhttps://juser.fz-juelich.de/record/276651/files/PhysRevX.5.041004.jpg?subformat=icon-1440$$xicon-1440$$yOpenAccess
000276651 8564_ $$uhttps://juser.fz-juelich.de/record/276651/files/PhysRevX.5.041004.jpg?subformat=icon-180$$xicon-180$$yOpenAccess
000276651 8564_ $$uhttps://juser.fz-juelich.de/record/276651/files/PhysRevX.5.041004.jpg?subformat=icon-640$$xicon-640$$yOpenAccess
000276651 8564_ $$uhttps://juser.fz-juelich.de/record/276651/files/PhysRevX.5.041004.pdf?subformat=pdfa$$xpdfa$$yOpenAccess
000276651 909CO $$ooai:juser.fz-juelich.de:276651$$pdnbdelivery$$pVDB$$pdriver$$popen_access$$popenaire
000276651 9141_ $$y2015
000276651 915__ $$0LIC:(DE-HGF)CCBY3$$2HGFVOC$$aCreative Commons Attribution CC BY 3.0
000276651 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS
000276651 915__ $$0StatID:(DE-HGF)0100$$2StatID$$aJCR$$bPHYS REV X : 2014
000276651 915__ $$0StatID:(DE-HGF)1150$$2StatID$$aDBCoverage$$bCurrent Contents - Physical, Chemical and Earth Sciences
000276651 915__ $$0StatID:(DE-HGF)0500$$2StatID$$aDBCoverage$$bDOAJ
000276651 915__ $$0StatID:(DE-HGF)0110$$2StatID$$aWoS$$bScience Citation Index
000276651 915__ $$0StatID:(DE-HGF)0111$$2StatID$$aWoS$$bScience Citation Index Expanded
000276651 915__ $$0StatID:(DE-HGF)0150$$2StatID$$aDBCoverage$$bWeb of Science Core Collection
000276651 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess
000276651 915__ $$0StatID:(DE-HGF)9905$$2StatID$$aIF >= 5$$bPHYS REV X : 2014
000276651 915__ $$0StatID:(DE-HGF)0300$$2StatID$$aDBCoverage$$bMedline
000276651 915__ $$0StatID:(DE-HGF)0199$$2StatID$$aDBCoverage$$bThomson Reuters Master Journal List
000276651 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)157778$$aForschungszentrum Jülich GmbH$$b6$$kFZJ
000276651 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)145527$$aForschungszentrum Jülich GmbH$$b9$$kFZJ
000276651 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)130937$$aForschungszentrum Jülich GmbH$$b10$$kFZJ
000276651 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)130799$$aForschungszentrum Jülich GmbH$$b11$$kFZJ
000276651 9131_ $$0G:(DE-HGF)POF3-142$$1G:(DE-HGF)POF3-140$$2G:(DE-HGF)POF3-100$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bEnergie$$lFuture Information Technology - Fundamentals, Novel Concepts and Energy Efficiency (FIT)$$vControlling Spin-Based Phenomena$$x0
000276651 9201_ $$0I:(DE-Juel1)IAS-1-20090406$$kIAS-1$$lQuanten-Theorie der Materialien$$x0
000276651 9201_ $$0I:(DE-Juel1)PGI-1-20110106$$kPGI-1$$lQuanten-Theorie der Materialien$$x1
000276651 9201_ $$0I:(DE-82)080009_20140620$$kJARA-FIT$$lJARA-FIT$$x2
000276651 9801_ $$aUNRESTRICTED
000276651 9801_ $$aFullTexts
000276651 980__ $$ajournal
000276651 980__ $$aVDB
000276651 980__ $$aUNRESTRICTED
000276651 980__ $$aI:(DE-Juel1)IAS-1-20090406
000276651 980__ $$aI:(DE-Juel1)PGI-1-20110106
000276651 980__ $$aI:(DE-82)080009_20140620
000276651 981__ $$aI:(DE-Juel1)PGI-1-20110106