Surface and bulk electronic structure of the unconventional superconductor Sr2RuO4: unusual splitting of the beta band (Articolo in rivista)

Type
Label
  • Surface and bulk electronic structure of the unconventional superconductor Sr2RuO4: unusual splitting of the beta band (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1367-2630/14/6/063039 (literal)
Alternative label
  • V. B. Zabolotnyy1, E. Carleschi2, T. K. Kim1?, A. A. Kordyuk1;3, J. Trinckauf1, J. Geck1, D. V. Evtushinsky1, B. P. Doyle2, R. Fittipaldi4, M. Cuoco4, A. Vecchione4, B. Büchner1 & S. V. Borisenko1 (2012)
    Surface and bulk electronic structure of the unconventional superconductor Sr2RuO4: unusual splitting of the beta band
    in New journal of physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • V. B. Zabolotnyy1, E. Carleschi2, T. K. Kim1?, A. A. Kordyuk1;3, J. Trinckauf1, J. Geck1, D. V. Evtushinsky1, B. P. Doyle2, R. Fittipaldi4, M. Cuoco4, A. Vecchione4, B. Büchner1 & S. V. Borisenko1 (literal)
Pagina inizio
  • 063039 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.njp.org/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 14 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 14 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1Institute for Solid State Research, IFW-Dresden, P. O. Box 270116, D-01171 Dresden, Germany 2Department of Physics, University of Johannesburg, P. O. Box 524, Auckland Park 2006, South Africa 3Institute of Metal Physics of National Academy of Sciences of Ukraine, 03142 Kyiv, Ukraine 4CNR-SPIN, and Dipartimento di Fisica \"E. R. Caianiello\", Università di Salerno, I-84084 Fisciano (Salerno) Italy (literal)
Titolo
  • Surface and bulk electronic structure of the unconventional superconductor Sr2RuO4: unusual splitting of the beta band (literal)
Abstract
  • We present an angle resolved photoemission study of the surface and bulk electronic structure of the single layer ruthenate Sr$_2$RuO$_4$. As the early studies of its electronic structure by photoemission and scanning tunneling microscopy were confronted with a problem of surface reconstruction, surface aging was previously proposed as a possible remedy to access the bulk states. Here we suggest an alternative way by demonstrating that, in the case of Sr$_2$RuO$_4$, circularly polarised light can be used to disentangle the signals from the bulk and surface layers, thus opening the possibility of investigating many-body interactions both in bulk and surface bands. The proposed procedure results in improved momentum resolution, which enabled us to detect an unexpected splitting of the surface $\beta$ band. We propose that spin--orbit splitting might be responsible for this, and discuss possible relations of the newly observed surface feature to topological matter. (literal)
Prodotto di
Autore CNR

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
data.CNR.it