Electronic valence bands in decagonal Al-Ni-Co

W. Theis; Eli Rotenberg; J. Franke; P. Gille; K. Horn

doi:10.1103/PhysRevB.68.104205

Electronic valence bands in decagonal Al-Ni-Co

W. Theis
, Eli Rotenberg
, J. Franke
, P. Gille
, K. Horn

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

Valence-band photoemission from the s-p region of the tenfold and the two inequivalent twofold surfaces of quasicrystalline decagonal Al_71.8Ni_14.8Co_13.4 reveals strongly dispersing bands. These exhibit a free-electron-like dispersion along quasiperiodic and periodic directions of the decagonal quasicrystal. The experimental photoemission maps are reproduced in detail by a model in which parabolic bands emanate from a set of reciprocal lattice vectors. A parity rule for the principal zone centers is observed.

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	68
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevB.68.104205
Publication status	Published - 25 Sept 2003

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.68.104205

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title = "Electronic valence bands in decagonal Al-Ni-Co",

abstract = "Valence-band photoemission from the s-p region of the tenfold and the two inequivalent twofold surfaces of quasicrystalline decagonal Al71.8Ni14.8Co13.4 reveals strongly dispersing bands. These exhibit a free-electron-like dispersion along quasiperiodic and periodic directions of the decagonal quasicrystal. The experimental photoemission maps are reproduced in detail by a model in which parabolic bands emanate from a set of reciprocal lattice vectors. A parity rule for the principal zone centers is observed.",

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AU - Theis, W.

AU - Rotenberg, Eli

AU - Franke, J.

AU - Gille, P.

AU - Horn, K.

PY - 2003/9/25

Y1 - 2003/9/25

N2 - Valence-band photoemission from the s-p region of the tenfold and the two inequivalent twofold surfaces of quasicrystalline decagonal Al71.8Ni14.8Co13.4 reveals strongly dispersing bands. These exhibit a free-electron-like dispersion along quasiperiodic and periodic directions of the decagonal quasicrystal. The experimental photoemission maps are reproduced in detail by a model in which parabolic bands emanate from a set of reciprocal lattice vectors. A parity rule for the principal zone centers is observed.

AB - Valence-band photoemission from the s-p region of the tenfold and the two inequivalent twofold surfaces of quasicrystalline decagonal Al71.8Ni14.8Co13.4 reveals strongly dispersing bands. These exhibit a free-electron-like dispersion along quasiperiodic and periodic directions of the decagonal quasicrystal. The experimental photoemission maps are reproduced in detail by a model in which parabolic bands emanate from a set of reciprocal lattice vectors. A parity rule for the principal zone centers is observed.

U2 - 10.1103/PhysRevB.68.104205

DO - 10.1103/PhysRevB.68.104205

M3 - Article

AN - SCOPUS:0142244700

SN - 1098-0121

VL - 68

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 10

ER -

Electronic valence bands in decagonal Al-Ni-Co

Abstract

ASJC Scopus subject areas

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