Ion-excited low-energy Auger electron emission from Ti and TiNi

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Two distinct Auger transition features appear in the spectrum of electrons emitted from titanium surfaces by kiloelectronvolt argon ion bombardment. The main feature, corresponding to the electron-excited M23VV transition and originating with Ti-Ti collisions inside the solid, is accompanied by a very narrow atomic-like line at a slightly lower energy attributed to electron emission from Ti atoms sputter ejected from the surface. Ion bombardment does not stimulate any spectral feature corresponding to the characteristic electron-excited Ti autoionization emission, 3p53d23d* to 3p63d, which is severely attenuated upon simultaneous ion and electron excitations. The Ar+-excited emission from the Ti target is compared to that measured for the intermetallic compound TiNi.

Original languageEnglish
Article number012
Pages (from-to)5275-5279
Number of pages5
JournalJournal of Physics Condensed Matter
Issue number27
StatePublished - 1 Jan 1995

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics


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