Quasiparticle Interference on Cubic Perovskite Oxide Surfaces

Yoshinori Okada, Shiue Yuan Shiau, Tay Rong Chang, Guoqing Chang, Masaki Kobayashi, Ryota Shimizu, Horng Tay Jeng, Susumu Shiraki, Hiroshi Kumigashira, Arun Bansil, Hsin Lin, Taro Hitosugi

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

We report the observation of coherent surface states on cubic perovskite oxide SrVO3(001) thin films through spectroscopic-imaging scanning tunneling microscopy. A direct link between the observed quasiparticle interference patterns and the formation of a dxy-derived surface state is supported by first-principles calculations. We show that the apical oxygens on the topmost VO2 plane play a critical role in controlling the coherent surface state via modulating orbital state.

Original languageEnglish
Article number086801
JournalPhysical review letters
Volume119
Issue number8
DOIs
Publication statusPublished - 2017 Aug 22

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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