Hydrogen on Ta(110): photoemission study using synchrotron radiation

Hydrogen on Ta(110): photoemission study using synchrotron radiation

The adsorption of H and Ta(110) is studied by photoemission with the use of synchrotron radiation. The energy positions of the H-induced states observed at normal exit, at -2.2 and -6.5 eV, do not disperse with photon energy which is consistent with a two-dimensional layer of adsorbed H in contrast...

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Veröffentlicht in:Phys. Rev. B: Condens. Matter; (United States) 1983-01, Vol.28 (10), p.6116-6118
Hauptverfasser: MURGAI, V, SHANG-LIN WENG, STRONGIN, M, RUCKMAN, M. W
Format: Artikel
Sprache:eng
Schlagworte:
360104 - Metals & Alloys- Physical Properties
ADSORPTION
Applied sciences
AUGER ELECTRON SPECTROSCOPY
BREMSSTRAHLUNG
Chemistry
COHERENT SCATTERING
COLLECTIVE EXCITATIONS
Cross-disciplinary physics: materials science
rheology
DATA
DIFFRACTION
ELECTROMAGNETIC RADIATION
ELECTRON DIFFRACTION
ELECTRON SPECTROSCOPY
ELECTRONIC STRUCTURE
ELEMENTS
ENERGY-LEVEL TRANSITIONS
Exact sciences and technology
EXCITATION
EXPERIMENTAL DATA
General and physical chemistry
HYDROGEN
INFORMATION
LAYERS
MATERIALS SCIENCE
METALS
Metals, semimetals and alloys
Metals. Metallurgy
NONMETALS
NUMERICAL DATA
PHOTOELECTRON SPECTROSCOPY
Physics
RADIATIONS
SCATTERING
Solid-gas interface
SORPTION
SORPTIVE PROPERTIES
Specific materials
SPECTROSCOPY
Surface physical chemistry
SURFACE PROPERTIES
SURFACES
SYNCHROTRON RADIATION
TANTALUM
TRANSITION ELEMENTS
ULTRAHIGH VACUUM
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Beschreibung
Zusammenfassung:The adsorption of H and Ta(110) is studied by photoemission with the use of synchrotron radiation. The energy positions of the H-induced states observed at normal exit, at -2.2 and -6.5 eV, do not disperse with photon energy which is consistent with a two-dimensional layer of adsorbed H in contrast with previous reports. An otherwise prohibited bulk excitation is found to occur when hydrogen is adsorbed. These results are discussed and compared with bulk hydrogen-uptake data.
ISSN:0163-1829
1095-3795
DOI:10.1103/PhysRevB.28.6116