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Selective probing of hidden spin-polarized states in inversion-symmetric bulk ${\mathrm{MoS}}_{2}$

  • Razzoli, Elia Département de Physique and Fribourg Center for Nanomaterials, Université de Fribourg, Switzerland
  • Jaouen, Thomas Département de Physique and Fribourg Center for Nanomaterials, Université de Fribourg, Switzerland
  • Mottas, Marie-Laure Département de Physique and Fribourg Center for Nanomaterials, Université de Fribourg, Switzerland
  • Hildebrand, Baptiste Département de Physique and Fribourg Center for Nanomaterials, Université de Fribourg, Switzerland
  • Monney, Gaël Département de Physique and Fribourg Center for Nanomaterials, Université de Fribourg, Switzerland
  • Pisoni, A. Laboratory of Physics of Complex Matter, Ecole Polytechnique Fédérale de Lausanne, Switzerland
  • Muff, S. Swiss Light Source, Paul Scherrer Institute, Switzerland - Institute of Physics, École Polytechnique Fédérale de Lausanne, Switzerland
  • Fanciulli, M. Swiss Light Source, Paul Scherrer Institute, Switzerland - Institute of Physics, École Polytechnique Fédérale de Lausanne, Switzerland
  • Plumb, N. C. Swiss Light Source, Paul Scherrer Institute, Switzerland
  • Rogalev, V. A. Swiss Light Source, Paul Scherrer Institute, Switzerland
  • Strocov, V. N. Swiss Light Source, Paul Scherrer Institute, Switzerland
  • Mesot, Joël Swiss Light Source, Paul Scherrer Institute, Switzerland - Institute of Physics, École Polytechnique Fédérale de Lausanne, Switzerland - Laboratory for Solid State Physics, ETH Zürich, Switzerland
  • Shi, Ming Swiss Light Source, Paul Scherrer Institute, Switzerland
  • Dil, J. H. Swiss Light Source, Paul Scherrer Institute, Switzerland - Institute of Physics, École Polytechnique Fédérale de Lausanne, Switzerland
  • Beck, Hans Département de Physique and Fribourg Center for Nanomaterials, Université de Fribourg, Switzerland
  • Aebi, Philipp Département de Physique and Fribourg Center for Nanomaterials, Université de Fribourg, Switzerland
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    22.02.2017
Published in:
  • Physical Review Letters. - 2017, vol. 118, no. 8, p. 086402
English Spin- and angle-resolved photoemission spectroscopy is used to reveal that a large spin polarization is observable in the bulk centrosymmetric transition metal dichalcogenide MoS2. It is found that the measured spin polarization can be reversed by changing the handedness of incident circularly polarized light. Calculations based on a three-step model of photoemission show that the valley and layer-locked spin- polarized electronic states can be selectively addressed by circularly polarized light, therefore providing a novel route to probe these hidden spin-polarized states in inversion-symmetric systems as predicted by Zhang et al. [Nat. Phys. 10, 387 (2014).].
Faculty
Faculté des sciences et de médecine
Department
Département de Physique
Language
  • English
Classification
Physics
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/305449
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