Electron-stimulated desorption study of oxygen adsorbed on Ag(110). Observation of inclined physisorbed species

Izabela Irena Rzeznicka, Junseok Lee, John T. Yates

研究成果: Article

3 引用 (Scopus)

抄録

Physisorbed molecular oxygen adsorbed on the Ag(110) surface was studied by temperature-programmed desorption (TPD) and time-of-flight electron-stimulated desorption ion angular distribution (TOF-ESDIAD). Oxygen molecules in the first physisorbed layer are tilted strongly from the surface normal and are oriented parallel to either the 〈001〉 or the 〈11̄0〉 azimuthal crystallographic directions of the Ag(110) surface, based on measurements of the trajectory of O+ ions produced by electron impact. In the multilayer regime, oxygen molecules are mainly aligned parallel to the 〈001〉 azimuth with an O-O bond direction close to the surface normal. ESD cross sections for both O+ ion formation and for O2 desorption have been measured for the physisorbed species.

元の言語English
ページ(範囲)3705-3709
ページ数5
ジャーナルJournal of Physical Chemistry C
111
発行部数9
DOI
出版物ステータスPublished - 2007 3 8
外部発表Yes

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Desorption
desorption
Oxygen
Electrons
oxygen
Ions
electrons
ions
Molecules
Molecular oxygen
Angular distribution
Temperature programmed desorption
azimuth
electron impact
molecules
Multilayers
angular distribution
Trajectories
trajectories
cross sections

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

これを引用

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abstract = "Physisorbed molecular oxygen adsorbed on the Ag(110) surface was studied by temperature-programmed desorption (TPD) and time-of-flight electron-stimulated desorption ion angular distribution (TOF-ESDIAD). Oxygen molecules in the first physisorbed layer are tilted strongly from the surface normal and are oriented parallel to either the 〈001〉 or the 〈11̄0〉 azimuthal crystallographic directions of the Ag(110) surface, based on measurements of the trajectory of O+ ions produced by electron impact. In the multilayer regime, oxygen molecules are mainly aligned parallel to the 〈001〉 azimuth with an O-O bond direction close to the surface normal. ESD cross sections for both O+ ion formation and for O2 desorption have been measured for the physisorbed species.",
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AU - Rzeznicka, Izabela Irena

AU - Lee, Junseok

AU - Yates, John T.

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AB - Physisorbed molecular oxygen adsorbed on the Ag(110) surface was studied by temperature-programmed desorption (TPD) and time-of-flight electron-stimulated desorption ion angular distribution (TOF-ESDIAD). Oxygen molecules in the first physisorbed layer are tilted strongly from the surface normal and are oriented parallel to either the 〈001〉 or the 〈11̄0〉 azimuthal crystallographic directions of the Ag(110) surface, based on measurements of the trajectory of O+ ions produced by electron impact. In the multilayer regime, oxygen molecules are mainly aligned parallel to the 〈001〉 azimuth with an O-O bond direction close to the surface normal. ESD cross sections for both O+ ion formation and for O2 desorption have been measured for the physisorbed species.

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