Fermi surface, surface states, and surface reconstruction in Sr2RuO4

A. Damascelli, D. H. Lu, K. M. Shen, N. P. Armitage, F. Ronning, D. L. Feng, C. Kim, Z. X. Shen, T. Kimura, Y. Tokura, Z. Q. Mao, Y. Maeno

Research output: Contribution to journalArticlepeer-review

190 Scopus citations

Abstract

The electronic structure of Sr2RuO4 is investigated by high angular resolution ARPES at several incident photon energies. We address the controversial issues of the Fermi surface (FS) topology and the van Hove singularity at the M point, showing that a surface state and the replica of the primary FS due to √2×√2 surface reconstruction are responsible for previous conflicting interpretations. The FS thus determined by ARPES is consistent with the de Haas-van Alphen results, and it provides additional information on the detailed shape of the α, β, and γ sheets.

Original languageEnglish (US)
Pages (from-to)5194-5197
Number of pages4
JournalPhysical review letters
Volume85
Issue number24
DOIs
StatePublished - 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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