Evolution of the charge density wave state in CuxTiSe2 (Articolo in rivista)

Type
Label
  • Evolution of the charge density wave state in CuxTiSe2 (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.85.155103 (literal)
Alternative label
  • M. Iavarone1, R. Di Capua1,*, X. Zhang1, M. Golalikhani1, S. A. Moore1, and G. Karapetrov2 (2012)
    Evolution of the charge density wave state in CuxTiSe2
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • M. Iavarone1, R. Di Capua1,*, X. Zhang1, M. Golalikhani1, S. A. Moore1, and G. Karapetrov2 (literal)
Pagina inizio
  • 155103 (literal)
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  • http://link.aps.org/doi/10.1103/PhysRevB.85.155103 (literal)
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  • 85 (literal)
Rivista
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  • 6 (literal)
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  • 15 (literal)
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  • 1Department of Physics, Temple University, Philadelphia, Pennsylvania 19122, USA 2Department of Physics, Drexel University, Philadelphia, Pennsylvania 19104, USA *Permanent address: Dipartimento S.pe.S., Università degli Studi del Molise, Campobasso, and CNR-SPIN, Napoli, Italy. (literal)
Titolo
  • Evolution of the charge density wave state in CuxTiSe2 (literal)
Abstract
  • We present scanning tunneling microscopy and spectroscopy measurements of the charge-density wave state in 1T-TiSe2, Cu0.05TiSe2, and Cu0.06TiSe2 single crystals. Topography images at 4.2 K reveal that the charge density waves are present in all samples studied, although the amplitude of the charge modulation decreases with the Cu doping. Moreover, the chiral phase of the charge density wave is preserved also in Cu-doped samples. Tunneling spectroscopy shows that there is only a partial gap in the pure compound, with bands crossing the Fermi surface. In the Cu-doped samples, the system becomes more metallic due to the increase of the chemical potential. (literal)
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