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Correlation of fractional monolayer oxygen determinations obtained by proton-excited X-ray and auger electron spectroscopy analysis of Fe surfaces.

Authors
Needham-PB Jr.; Driscoll-TJ; Rao-NG
Source
Appl Phys Letters 1972 Nov; 21(10):502-505
NIOSHTIC No.
10010481
Abstract
Oxygen ka x-rays excited by the impact of 120-kev protons have been used to determine absolute oxygen surface coverages ranging from 4.8X1014 to 5.2X1015 atoms/cm2 on polycrystalline ion samples mounted in an auger spectroscopy system. Amplitudes of the electron- beam-excited oxygen kl2l2 auger electron spectra obtained from the samples corresponded linearly with the coverages determined by the proton-excited x-rays (pex). Estimates of the oxygen adatom coverages using the auger results and the theoretical approach of Bishop and Riviere were found to agree within a factor of 2.15 (+/- 0.22) With the pex-determined coverages.
CODEN
APPLAB
Publication Date
19721101
Document Type
OP; Journal Article
Fiscal Year
1973
NTIS Accession No.
NTIS Price
Identifying No.
OP 164-72
Issue of Publication
10
ISSN
0003-6951
NIOSH Division
CPRC
Source Name
Applied Physics Letters
State
MD
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