Kink in the Dispersion of Layered Strontium Ruthenates | Zendy

Y. Aiura | Zendy; Yoshiyuki Yoshida | Zendy; Izumi Hase | Zendy; S. Ikeda | Zendy; M. Higashiguchi | Zendy; Xiaoyu Cui | Zendy; K. Shimada | Zendy; H. Namatame | Zendy; M. Taniguchi | Zendy; Hiroshi Bando | Zendy

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Kink in the Dispersion of Layered Strontium Ruthenates

Author(s) -

Y. Aiura,

Yoshiyuki Yoshida,

Izumi Hase,

S. Ikeda,

M. Higashiguchi,

Xiaoyu Cui,

K. Shimada,

H. Namatame,

M. Taniguchi,

Hiroshi Bando

Publication year - 2004

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.93.117005

Subject(s) - condensed matter physics , cuprate , superconductivity , dispersion (optics) , strontium , fermi energy , photoemission spectroscopy , physics , symmetry (geometry) , materials science , high temperature superconductivity , fermi level , spectral line , quantum mechanics , nuclear physics , electron , geometry , mathematics

We present detailed energy dispersions near the Fermi level along the high symmetry line GammaX 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.

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