Sökning: WFRF:(Laubschat C.) > Valence instability...
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000 | 03341naa a2200433 4500 | |
001 | oai:lup.lub.lu.se:836a1576-4304-476a-bbce-bc808769491b | |
003 | SwePub | |
008 | 170508s2017 | |||||||||||000 ||eng| | |
024 | 7 | a https://lup.lub.lu.se/record/836a1576-4304-476a-bbce-bc808769491b2 URI |
024 | 7 | a https://doi.org/10.1103/PhysRevB.95.1551272 DOI |
040 | a (SwePub)lu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a art2 swepub-publicationtype |
072 | 7 | a ref2 swepub-contenttype |
100 | 1 | a Chikina, A.u Dresden University of Technology4 aut |
245 | 1 0 | a Valence instability in the bulk and at the surface of the antiferromagnet SmRh2Si2 |
264 | 1 | c 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 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
700 | 1 | a Generalov, A.u Lund University,Lunds universitet,MAX IV-laboratoriet,MAX IV Laboratory4 aut0 (Swepub:lu)maxl-arg |
700 | 1 | a Kummer, Kurtu European Synchrotron Radiation Facility4 aut |
700 | 1 | a Güttler, M.u Dresden University of Technology4 aut |
700 | 1 | a Antonov, V. N.u G.V. Kurdyumov Institute for Metal Physics of National Academy of Sciences of Ukraine4 aut |
700 | 1 | a Kucherenko, Yuu G.V. Kurdyumov Institute for Metal Physics of National Academy of Sciences of Ukraine4 aut |
700 | 1 | a Kliemt, Kristinu Goethe University4 aut |
700 | 1 | a Krellner, C.u Goethe University4 aut |
700 | 1 | a Danzenbächer, S.u Dresden University of Technology4 aut |
700 | 1 | a Kim, T.u Diamond Light Source4 aut |
700 | 1 | a Dudin, P.u Diamond Light Source4 aut |
700 | 1 | a Geibel, C.u Max Planck Institute for Chemical Physics of Solids4 aut |
700 | 1 | a Laubschat, Cu Dresden University of Technology4 aut |
700 | 1 | a Vyalikh, D Vu Saint Petersburg State University,Basque Foundation for Science,University of the Basque Country4 aut |
710 | 2 | a Dresden University of Technologyb MAX IV-laboratoriet4 org |
773 | 0 | t Physical Review B - Condensed Matter and Materials Physicsg 95:15q 95:15x 1098-0121 |
856 | 4 | u http://dx.doi.org/10.1103/PhysRevB.95.155127y FULLTEXT |
856 | 4 8 | u https://lup.lub.lu.se/record/836a1576-4304-476a-bbce-bc808769491b |
856 | 4 8 | u https://doi.org/10.1103/PhysRevB.95.155127 |
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