Gas medium effect on electrophysical properties of alumina irradiated with titanium ions

A. V. Kabyshev, F. V. Konusov, N. V. Krivosheeva

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Ion-heat modification allow to adjust the surface conductivity of inorganic dielectrics from σ=10-15 S to 10-4 S. The surface electrophysical and optical properties are stable after annealing in vacuum and in rare gases but they change in oxygen-contained mediums owing to interaction between defects and atmospheric oxygen. Energetic and kinetic characteristics of conduction, photoconduction, transport charge mechanisms and its stability after irradiation of the polycrystallme aluminium oxide with titanium ions (Φ=1017 cm-2, EI=100 keV) and subsequent annealing in vacuum and in air (P=1-105 Pa, Tan=300-2000 K) were investigated. Induced defects and implanted ions accumulation and its integration into clusters and impurity-defects complexes, defects type transformation within complexes, defects charge exchange in clusters are determine the dependencies σ(Φ,Tan,T,t) in irradiated Al2O3 after annealing in vacuum. Oxygen-contained complexes with different electronic level spectra and stability, substitutional defect clusters and stoichiometric composition of compounds produced by ion-beat modification are determine the properties stability at the heating in air.

Original languageEnglish
Title of host publicationProceedings - 9th Russian-Korean International Symposium on Science and Technology, KORUS-2005
Pages176-180
Number of pages5
Volume1
DOIs
Publication statusPublished - 2005
Event9th Russian-Korean International Symposium on Science and Technology, KORUS-2005 - Novosibirsk, Russian Federation
Duration: 26 Jun 20052 Jul 2005

Other

Other9th Russian-Korean International Symposium on Science and Technology, KORUS-2005
CountryRussian Federation
CityNovosibirsk
Period26.6.052.7.05

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ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kabyshev, A. V., Konusov, F. V., & Krivosheeva, N. V. (2005). Gas medium effect on electrophysical properties of alumina irradiated with titanium ions. In Proceedings - 9th Russian-Korean International Symposium on Science and Technology, KORUS-2005 (Vol. 1, pp. 176-180). [1507677] https://doi.org/10.1109/KORUS.2005.1507677