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Sökning: WFRF:(Laubschat C.) > Valence instability...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003341naa a2200433 4500
001oai:lup.lub.lu.se:836a1576-4304-476a-bbce-bc808769491b
003SwePub
008170508s2017 | |||||||||||000 ||eng|
024a https://lup.lub.lu.se/record/836a1576-4304-476a-bbce-bc808769491b2 URI
024a https://doi.org/10.1103/PhysRevB.95.1551272 DOI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
100a Chikina, A.u Dresden University of Technology4 aut
2451 0a Valence instability in the bulk and at the surface of the antiferromagnet SmRh2Si2
264 1c 2017
520 a Using resonant angle-resolved photoemission spectroscopy and electron band-structure calculations, we explore the electronic structure and properties of Sm atoms at the surface and in the bulk of the antiferromagnet SmRh2Si2. We show that the Sm atoms reveal weak mixed-valent behavior both in the bulk and at the surface. Although trivalent 4f emission strongly dominates, a small divalent 4f signal near the Fermi energy can be clearly resolved for surface and bulk Sm atoms. This behavior is quite different to most other Sm-based materials which typically experience a surface valence transition to a divalent state of Sm atoms at the surface. This phenomenon is explained in analogy to the isostructural Ce compound, where strong 4f hybridization stabilizes mixed-valent ground state both in the bulk and at the surface, and which were described in the light of the single-impurity Anderson model. Implications for other RERh2Si2 (RE = rare-earth elements) compounds are discussed.
650 7a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
700a Generalov, A.u Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory4 aut0 (Swepub:lu)maxl-arg
700a Kummer, Kurtu European Synchrotron Radiation Facility4 aut
700a Güttler, M.u Dresden University of Technology4 aut
700a Antonov, V. N.u G.V. Kurdyumov Institute for Metal Physics of National Academy of Sciences of Ukraine4 aut
700a Kucherenko, Yuu G.V. Kurdyumov Institute for Metal Physics of National Academy of Sciences of Ukraine4 aut
700a Kliemt, Kristinu Goethe University4 aut
700a Krellner, C.u Goethe University4 aut
700a Danzenbächer, S.u Dresden University of Technology4 aut
700a Kim, T.u Diamond Light Source4 aut
700a Dudin, P.u Diamond Light Source4 aut
700a Geibel, C.u Max Planck Institute for Chemical Physics of Solids4 aut
700a Laubschat, Cu Dresden University of Technology4 aut
700a Vyalikh, D Vu Saint Petersburg State University,Basque Foundation for Science,University of the Basque Country4 aut
710a Dresden University of Technologyb MAX IV-laboratoriet4 org
773t Physical Review B - Condensed Matter and Materials Physicsg 95:15q 95:15x 1098-0121
856u http://dx.doi.org/10.1103/PhysRevB.95.155127y FULLTEXT
8564 8u https://lup.lub.lu.se/record/836a1576-4304-476a-bbce-bc808769491b
8564 8u https://doi.org/10.1103/PhysRevB.95.155127

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