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α-Sn phase on Si(111): Spin texture of a two-dimensional Mott state

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Monika Jäger
  • C. Brand
  • Andrew P. Weber
  • Mauro Fanciulli
  • Herbert Pfnür
  • Christoph Tegenkamp

Research Organisations

External Research Organisations

  • École polytechnique fédérale de Lausanne (EPFL)
  • Paul Scherrer Institut (PSI)
  • Chemnitz University of Technology (CUT)

Details

Original languageEnglish
Article number165422
JournalPhysical Review B
Volume98
Issue number16
Publication statusPublished - 15 Oct 2018

Abstract

The α-Sn reconstruction on Si(111) is a prototype system for a two-dimensional Mott phase. In this study we performed spin-resolved photoemission experiments and analyzed in detail the spin structure of this electronically correlated surface state. The analysis of the spin-integrated bands as well as the spin texture of the surface states along different crystallographic directions provide clear evidence for the formation of collinear antiferromagnetic (23×3) domains, while the Sn reconstruction reveals a (3×3) symmetry. The Rashba splitting of the highest occupied Mott state was found to be Δk=0.05Å-1, i.e., the α-Sn phase should be termed a weakly spin-orbit coupled Mott system.

ASJC Scopus subject areas

Cite this

α-Sn phase on Si(111): Spin texture of a two-dimensional Mott state. / Jäger, Monika; Brand, C.; Weber, Andrew P. et al.
In: Physical Review B, Vol. 98, No. 16, 165422, 15.10.2018.

Research output: Contribution to journalArticleResearchpeer review

Jäger, M, Brand, C, Weber, AP, Fanciulli, M, Dil, JH, Pfnür, H & Tegenkamp, C 2018, 'α-Sn phase on Si(111): Spin texture of a two-dimensional Mott state', Physical Review B, vol. 98, no. 16, 165422. https://doi.org/10.1103/PhysRevB.98.165422
Jäger, M., Brand, C., Weber, A. P., Fanciulli, M., Dil, J. H., Pfnür, H., & Tegenkamp, C. (2018). α-Sn phase on Si(111): Spin texture of a two-dimensional Mott state. Physical Review B, 98(16), Article 165422. https://doi.org/10.1103/PhysRevB.98.165422
Jäger M, Brand C, Weber AP, Fanciulli M, Dil JH, Pfnür H et al. α-Sn phase on Si(111): Spin texture of a two-dimensional Mott state. Physical Review B. 2018 Oct 15;98(16):165422. doi: 10.1103/PhysRevB.98.165422
Jäger, Monika ; Brand, C. ; Weber, Andrew P. et al. / α-Sn phase on Si(111): Spin texture of a two-dimensional Mott state. In: Physical Review B. 2018 ; Vol. 98, No. 16.
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AU - Dil, Jan Hugo

AU - Pfnür, Herbert

AU - Tegenkamp, Christoph

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