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Synthèse et propriétés de monocristaux, de poudres, films minces ou hétérostructures

Etudes à l'interface avec la matière biologique

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Publication de Damir Pinek

Publié le 15 septembre 2020
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Communiqué du 7 septembre 2020 au 7 novembre 2020

L'article "Near Fermi level electronic structure of Ti3SiC2 revealed by angle-resolved photoemission spectroscopy" a été publié dans Physical Review B

PRBPinek2020

PRBPinek2020

Ici vous trouverez l'article de Damir Pinek
"An in-depth study of the Fermi surface and electronic structure of the ternary nanolamellar carbide Ti3SiC2 is
reported. The outputs of angle-resolved photoemission spectroscopy (ARPES) measured on single crystals and
density functional theory calculations are systematically compared. The band structure is found to be dominated
by Ti d orbitals near the Fermi level. Band inversions near K points are responsible for the intricate shape of
the Ti3SiC2 pockets. Previous theory found that those pockets were giving opposite contributions leading to
zero thermoelectric power in polycrystalline samples. Here we directly visualize them by ARPES, describe their
precise shape, and examine the way they should behave regarding thermoelectric power. The presence of linear
band crossings and the effect of spin-orbit coupling on the near Fermi level electronic structure are discussed, as
well as potential consequences for magnetotransport and spin Hall effect."
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mise à jour le 15 septembre 2020

  • Tutelle CNRS
  • Tutelle Grenoble INP
Université Grenoble Alpes