STOICHIOMETRY AND THICKNESS OF THE INITIAL OXIDE FORMED ON CLEAN TITANIUM SURFACES DETERMINED BY QUANTITATIVE AUGER ELECTRON SPECTROSCOPY, ELECTRON ENERGY LOSS SPECTROSCOPY, AND MICROGRAVIMETRY.

M. C. Burrell, Neal R Armstrong

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The initial oxidation of a clean polycrystalline titanium film was studied by Auger electron spectroscopy (AES) and electron energy loss spectroscopy (ELS), while simultaneously monitoring the total oxygen uptake using the quartz crystal microbalance (QCM). Quantitation of the O KLL and Ti LMM AES intensities reveals that the surface stoichiometry at the initial stages of oxidation ( less than 100 L O//2 at 1 multiplied by 10** minus **5 Torr) corresponds to that expected for Ti//2O//3, and the ELS results also suggest the presence of the lower oxidation states of titanium ( plus 2, plus 3) on the surface. The microgravimetric results indicate that the oxidation is not confined to the region sampled by the electron spectroscopic methods, and a surface layer of Ti//2O//3 whose thickness is approximately 40 A is consistent with the observed combination of results.

Original languageEnglish (US)
Pages (from-to)1831-1836
Number of pages6
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume1
Issue number4
DOIs
StatePublished - Oct 1983

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Electron energy loss spectroscopy
Auger electron spectroscopy
Titanium
Stoichiometry
Oxides
Auger spectroscopy
electron spectroscopy
stoichiometry
titanium
energy dissipation
electron energy
Oxidation
oxidation
oxides
spectroscopy
Quartz crystal microbalances
quartz crystals
microbalances
Energy dissipation
surface layers

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Cite this

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title = "STOICHIOMETRY AND THICKNESS OF THE INITIAL OXIDE FORMED ON CLEAN TITANIUM SURFACES DETERMINED BY QUANTITATIVE AUGER ELECTRON SPECTROSCOPY, ELECTRON ENERGY LOSS SPECTROSCOPY, AND MICROGRAVIMETRY.",
abstract = "The initial oxidation of a clean polycrystalline titanium film was studied by Auger electron spectroscopy (AES) and electron energy loss spectroscopy (ELS), while simultaneously monitoring the total oxygen uptake using the quartz crystal microbalance (QCM). Quantitation of the O KLL and Ti LMM AES intensities reveals that the surface stoichiometry at the initial stages of oxidation ( less than 100 L O//2 at 1 multiplied by 10** minus **5 Torr) corresponds to that expected for Ti//2O//3, and the ELS results also suggest the presence of the lower oxidation states of titanium ( plus 2, plus 3) on the surface. The microgravimetric results indicate that the oxidation is not confined to the region sampled by the electron spectroscopic methods, and a surface layer of Ti//2O//3 whose thickness is approximately 40 A is consistent with the observed combination of results.",
author = "Burrell, {M. C.} and Armstrong, {Neal R}",
year = "1983",
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AU - Armstrong, Neal R

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AB - The initial oxidation of a clean polycrystalline titanium film was studied by Auger electron spectroscopy (AES) and electron energy loss spectroscopy (ELS), while simultaneously monitoring the total oxygen uptake using the quartz crystal microbalance (QCM). Quantitation of the O KLL and Ti LMM AES intensities reveals that the surface stoichiometry at the initial stages of oxidation ( less than 100 L O//2 at 1 multiplied by 10** minus **5 Torr) corresponds to that expected for Ti//2O//3, and the ELS results also suggest the presence of the lower oxidation states of titanium ( plus 2, plus 3) on the surface. The microgravimetric results indicate that the oxidation is not confined to the region sampled by the electron spectroscopic methods, and a surface layer of Ti//2O//3 whose thickness is approximately 40 A is consistent with the observed combination of results.

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