Chemical bond cleavage induced by electron heating Gas emission behavior of titanium-metalloid compounds (titanium nitride and oxide) in a microwave field

Jun Fukushima, Keiichiro Kashimura, Motoyasu Sato

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Gas emissions from titanium-metalloid compounds (titanium nitride and oxide) have been investigated to understand the effects of a microwave field on chemical reactions. We employed a high vacuum system (PO2 =10 -6 Pa) to observe in situ reductions. For titanium oxides, H-field heating significantly differed from conventional one in terms of oxygen emissions. For titanium nitride, the emissions were also induced by microwave heating. These tendencies were observed at temperatures above 1000 °C. A quantum chemical interpretation is provided to explain the emissions of the gases, and the experimental data is in good agreement with results predicted using the electronic energy band structure.

Original languageEnglish
Pages (from-to)178-183
Number of pages6
JournalMaterials Chemistry and Physics
Volume131
Issue number1-2
DOIs
Publication statusPublished - 2011 Dec 15
Externally publishedYes

Keywords

  • Density of electron
  • Microwave H-field
  • Titanium nitrides
  • Titanium oxides

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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