Spin-correlated electronic state on the surface of a spin-orbit Mott system

Chang Liu, Su Yang Xu, Nasser Alidoust, Tay Rong Chang, Hsin Lin, Chetan Dhital, Sovit Khadka, Madhab Neupane, Ilya Belopolski, Gabriel Landolt, Horng Tay Jeng, Robert S. Markiewicz, J. Hugo Dil, Arun Bansil, Stephen D. Wilson, M. Zahid Hasan

研究成果: Article同行評審

12 引文 斯高帕斯(Scopus)


We use angle-resolved photoemission spectroscopy to show that the near-surface electronic structure of a bulk insulating iridate Sr3Ir2O7 lying near a metal-Mott insulator transition exhibits weak metallicity signified by finite electronic spectral weight at the Fermi level. The surface electrons exhibit a spin structure resulting from an interplay of spin-orbit, Coulomb interaction and surface quantum magnetism. Our results shed light on understanding the exotic quantum entanglement and transport phenomena in iridate-based oxide devices.

期刊Physical Review B - Condensed Matter and Materials Physics
出版狀態Published - 2014 7月 22

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 凝聚態物理學


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