Orbital selectivity of the kink in the dispersion of Sr2RuO4

H. Iwasawa, Y. Aiura, T. Saitoh, I. Hase, S. I. Ikeda, Y. Yoshida, H. Bando, M. Higashiguchi, Y. Miura, X. Y. Cui, K. Shimada, H. Namatame, and M. Taniguchi
Phys. Rev. B 72, 104514 – Published 22 September 2005

Abstract

We present detailed energy dispersions near the Fermi level on the monolayer perovskite ruthenate Sr2RuO4, determined by high-resolution angle-resolved photoemission spectroscopy. An orbital selectivity of the kink in the dispersion of Sr2RuO4 has been found: A kink for the Ru 4dxy orbital is clearly observed, but not for the Ru 4dyz and 4dzx ones. The result provides insight into the origin of the kink.

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  • Received 9 May 2005

DOI:https://doi.org/10.1103/PhysRevB.72.104514

©2005 American Physical Society

Authors & Affiliations

H. Iwasawa1,2, Y. Aiura2,*, T. Saitoh1, I. Hase2, S. I. Ikeda2, Y. Yoshida2, H. Bando2, M. Higashiguchi3, Y. Miura3, X. Y. Cui3, K. Shimada4, H. Namatame4, and M. Taniguchi3,4

  • 1Department of Applied Physics, Tokyo University of Science, Shinjuku-ku, Tokyo 162-8601, Japan
  • 2National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
  • 3Graduate School of Science, Hiroshima University, Higashi-Hiroshima 739-8526, Japan
  • 4Hiroshima Synchrotron Radiation Center, Hiroshima University, Higashi-Hiroshima 739-8526, Japan

  • *Author to whom correspondence should be addressed. Electronic address: y.aiura@aist.go.jp

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Vol. 72, Iss. 10 — 1 September 2005

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