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

Izabela Irena Rzeznicka; Junseok Lee; John T. Yates

doi:10.1021/jp066042c

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

Izabela Irena Rzeznicka, Junseok Lee, John T. Yates

SCI - Chemistry

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

3 Citations (Scopus)

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.

Original language	English
Pages (from-to)	3705-3709
Number of pages	5
Journal	Journal of Physical Chemistry C
Volume	111
Issue number	9
DOIs	https://doi.org/10.1021/jp066042c
Publication status	Published - 2007 Mar 8

ASJC Scopus subject areas

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

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

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 〈1{\=1}0〉 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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T1 - Electron-stimulated desorption study of oxygen adsorbed on Ag(110). Observation of inclined physisorbed species

AU - Rzeznicka, Izabela Irena

AU - Lee, Junseok

AU - Yates, John T.

PY - 2007/3/8

Y1 - 2007/3/8

N2 - 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.

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

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