Kink in the Dispersion of Layered Strontium Ruthenates

Physical Review Letters Volume 93 Issue 11 Page 117005-1-117005-4 published_at 2004-09-10
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Title ( eng )
Kink in the Dispersion of Layered Strontium Ruthenates
Creator
Aiura Yoshihiro
Yoshida Yoshiyuki
Hase Izumi
Ikeda Shinichi
Higashiguchi Mitsuharu
Cui Xiaoyu
Bando Hiroshi
Source Title
Physical Review Letters
Volume 93
Issue 11
Start Page 117005-1
End Page 117005-4
Abstract
We present detailed energy dispersions near the Fermi level along the high symmetry line ΓX on the monolayer and bilayer strontium ruthenates Sr2RuO4 and Sr3Ru2O7, determined by high-resolution angle-resolved photoemission spectroscopy. A kink in the dispersion is clearly shown for the both ruthenates. The energy position of the kink and the slope in the low-energy part near the Fermi level are almost identical between them, whereas the dispersion in the high-energy part varies, like the behavior of the kink for the cuprate superconductors.
Keywords
strontium compounds
Fermi surface
Fermi level
photoelectron spectra
superconducting materials
Language
eng
Resource Type journal article
Publisher
American Physical Society
Date of Issued 2004-09-10
Rights
Copyright (c) 2004 The American Physical Society.
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.93.117005
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.93.117005