Scattering of alkali atoms and ions from alkali-halide surfaces: No evidence found for electronic surface states within the band gap of the insulator

Journal Article · Sat Feb 01 00:00:00 EST 1997 · Physical Review A

DOI:https://doi.org/10.1103/PhysRevA.55.R846· OSTI ID:450326

Mertens, A; Auth, C; Winter, H ^[1]; Borisov, A G ^[2]

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1. Institut fuer Physik der Humboldt-Universitaet zu Berlin, Invalidenstrasse 110, D-10115 Berlin (Germany)
2. Laboratoire des Collisions Atomiques et Moleculaires, Universite Paris--Sud, Batiment 351, F-91405 Orsay Cedex (France)

Fast alkali atoms and ions are scattered with keV energies under grazing incidence from the surface of the alkali halides LiF(100), KCl(100), KI(100), and the scattered beams are analyzed with respect to their charge fractions. From our experiments we find no evidence for occupied or unoccupied electronic surface states within the band gap of the insulator. {copyright} {ital 1997} {ital The American Physical Society}

• OSTI ID: 450326
• Journal Information: Physical Review A, Vol. 55, Issue 2; Other Information: PBD: Feb 1997
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
LITHIUM FLUORIDES
ION COLLISIONS
ENERGY GAP
POTASSIUM CHLORIDES
POTASSIUM IODIDES
ELECTRONIC STRUCTURE
ATOMIC IONS
KEV RANGE
SCATTERING
HELIUM IONS
ALKALI METALS
CHARGE EXCHANGE