Surface structure from angle-resolved secondary-ion mass spectrometry: Oxygen on Cu(001)

S. P. Holland; B. J. Garrison; Nicholas Winograd

doi:10.1103/PhysRevLett.43.220

Surface structure from angle-resolved secondary-ion mass spectrometry: Oxygen on Cu(001)

S. P. Holland, B. J. Garrison, Nicholas Winograd

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98 Scopus citations

Abstract

Measured angular distributions for O- and Cu+ ejected by 1500-eV Ar+-ion bombardment of chemisorbed oxygen on Cu(001) exhibit anisotropies which vary by greater than a factor of 2. Molecular-dynamics calculations of the ion-impact event agree well with experiment if the oxygen atom is placed in a fourfold coordination site 1.2-1.5 a above the Cu(001) plane. Angle-resolved secondary-ion mass spectrometry is proposed as a powerful new method for the determination of adsorbate positions.

Original language	English (US)
Pages (from-to)	220-223
Number of pages	4
Journal	Physical review letters
Volume	43
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.43.220
State	Published - 1979

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.43.220

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abstract = "Measured angular distributions for O- and Cu+ ejected by 1500-eV Ar+-ion bombardment of chemisorbed oxygen on Cu(001) exhibit anisotropies which vary by greater than a factor of 2. Molecular-dynamics calculations of the ion-impact event agree well with experiment if the oxygen atom is placed in a fourfold coordination site 1.2-1.5 a above the Cu(001) plane. Angle-resolved secondary-ion mass spectrometry is proposed as a powerful new method for the determination of adsorbate positions.",

author = "Holland, {S. P.} and Garrison, {B. J.} and Nicholas Winograd",

year = "1979",

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AU - Holland, S. P.

AU - Garrison, B. J.

AU - Winograd, Nicholas

PY - 1979

Y1 - 1979

N2 - Measured angular distributions for O- and Cu+ ejected by 1500-eV Ar+-ion bombardment of chemisorbed oxygen on Cu(001) exhibit anisotropies which vary by greater than a factor of 2. Molecular-dynamics calculations of the ion-impact event agree well with experiment if the oxygen atom is placed in a fourfold coordination site 1.2-1.5 a above the Cu(001) plane. Angle-resolved secondary-ion mass spectrometry is proposed as a powerful new method for the determination of adsorbate positions.

AB - Measured angular distributions for O- and Cu+ ejected by 1500-eV Ar+-ion bombardment of chemisorbed oxygen on Cu(001) exhibit anisotropies which vary by greater than a factor of 2. Molecular-dynamics calculations of the ion-impact event agree well with experiment if the oxygen atom is placed in a fourfold coordination site 1.2-1.5 a above the Cu(001) plane. Angle-resolved secondary-ion mass spectrometry is proposed as a powerful new method for the determination of adsorbate positions.

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Surface structure from angle-resolved secondary-ion mass spectrometry: Oxygen on Cu(001)

Abstract

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