Observation of a narrow pseudogap near the fermi level of AlCuFe quasicrystalline thin films

T. Klein; O. G. Symko; D. N. Davydov; A. G.M. Jansen

doi:10.1103/PhysRevLett.74.3656

Observation of a narrow pseudogap near the fermi level of AlCuFe quasicrystalline thin films

T. Klein
, O. G. Symko
, D. N. Davydov
, A. G.M. Jansen

École Polytechnique

University of Utah
CNRS

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

We present the first experimental determination by tunneling spectroscopy of the density of states (DOS) close to the Fermi energy of AlCuFe quasicrystalline thin film samples. The measurements show that the Fermi level in a quasicrystal lies in a deep narrow pseudogap 60 meV wide. Above an applied voltage of 50 mV a V1/2 contribution to the DOS is observed in agreement with electron-electron interaction effects.

langue originale	Anglais
Pages (de - à)	3656-3659
Nombre de pages	4
journal	Physical Review Letters
Volume	74
Numéro de publication	18
Les DOIs	https://doi.org/10.1103/PhysRevLett.74.3656
état	Publié - 1 janv. 1995

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10.1103/PhysRevLett.74.3656

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title = "Observation of a narrow pseudogap near the fermi level of AlCuFe quasicrystalline thin films",

abstract = "We present the first experimental determination by tunneling spectroscopy of the density of states (DOS) close to the Fermi energy of AlCuFe quasicrystalline thin film samples. The measurements show that the Fermi level in a quasicrystal lies in a deep narrow pseudogap 60 meV wide. Above an applied voltage of 50 mV a V1/2 contribution to the DOS is observed in agreement with electron-electron interaction effects.",

author = "T. Klein and Symko, \{O. G.\} and Davydov, \{D. N.\} and Jansen, \{A. G.M.\}",

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AU - Klein, T.

AU - Symko, O. G.

AU - Davydov, D. N.

AU - Jansen, A. G.M.

PY - 1995/1/1

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AB - We present the first experimental determination by tunneling spectroscopy of the density of states (DOS) close to the Fermi energy of AlCuFe quasicrystalline thin film samples. The measurements show that the Fermi level in a quasicrystal lies in a deep narrow pseudogap 60 meV wide. Above an applied voltage of 50 mV a V1/2 contribution to the DOS is observed in agreement with electron-electron interaction effects.

U2 - 10.1103/PhysRevLett.74.3656

DO - 10.1103/PhysRevLett.74.3656

M3 - Article

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SN - 0031-9007

VL - 74

SP - 3656

EP - 3659

JO - Physical Review Letters

JF - Physical Review Letters

IS - 18

ER -

Observation of a narrow pseudogap near the fermi level of AlCuFe quasicrystalline thin films

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