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Fermi arcs vs. Fermi pockets in electron-doped perovskite iridates.
He, Junfeng; Hafiz, H; Mion, Thomas R; Hogan, T; Dhital, C; Chen, X; Lin, Qisen; Hashimoto, M; Lu, D H; Zhang, Y; Markiewicz, R S; Bansil, A; Wilson, S D; He, Rui-Hua.
Afiliação
  • He J; Department of Physics, Boston College, Chestnut Hill, MA 02467, USA.
  • Hafiz H; Physics Department, Northeastern University, Boston, MA 02115, USA.
  • Mion TR; Department of Physics, Boston College, Chestnut Hill, MA 02467, USA.
  • Hogan T; Department of Physics, Boston College, Chestnut Hill, MA 02467, USA.
  • Dhital C; 1] Department of Physics, Boston College, Chestnut Hill, MA 02467, USA [2] Chemical and Engineering Materials Divison, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA.
  • Chen X; Department of Physics, Boston College, Chestnut Hill, MA 02467, USA.
  • Lin Q; Department of Physics, Boston College, Chestnut Hill, MA 02467, USA.
  • Hashimoto M; Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.
  • Lu DH; Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA.
  • Zhang Y; International Center for Quantum Materials, Peking University, Beijing 100871, China.
  • Markiewicz RS; Physics Department, Northeastern University, Boston, MA 02115, USA.
  • Bansil A; Physics Department, Northeastern University, Boston, MA 02115, USA.
  • Wilson SD; 1] Department of Physics, Boston College, Chestnut Hill, MA 02467, USA [2] Materials Department, University of California Santa Barbara, Santa Barbara, CA 93106, USA.
  • He RH; Department of Physics, Boston College, Chestnut Hill, MA 02467, USA.
Sci Rep ; 5: 8533, 2015 Feb 23.
Article em En | MEDLINE | ID: mdl-25704850
We report on an angle resolved photoemission (ARPES) study of bulk electron-doped perovskite iridate, (Sr(1-x)La(x))3Ir2O7. Fermi surface pockets are observed with a total electron count in keeping with that expected from La substitution. Depending on the energy and polarization of the incident photons, these pockets show up in the form of disconnected "Fermi arcs", reminiscent of those reported recently in surface electron-doped Sr2IrO4. Our observed spectral variation is consistent with the coexistence of an electronic supermodulation with structural distortion in the system.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Sci Rep Ano de publicação: 2015 Tipo de documento: Article País de afiliação: Estados Unidos País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Sci Rep Ano de publicação: 2015 Tipo de documento: Article País de afiliação: Estados Unidos País de publicação: Reino Unido