Title

Angular distributions of ions desorbing from TiO2

Document Type

Article

Publication Date

3-1-1986

Abstract

The dependence of the electron- and photon-stimulated desorption (ESD, PSD) O+-ion yield on surface preparation from TiO2 (110) and (001) surfaces has been studied. Angle-integrated electron-stimulated desorption yields have been measured versus annealing temperature from room temperature sputtered surfaces to 900°C annealed surfaces. Both the surface cation valence state and the surface geometry change as a function of annealing temperature, giving rise to a rich variety of ESD ion angular distribution (ESDIAD) patterns. These patterns are discussed in terms of possible models of local surface structure. © 1986.

Publication Source (Journal or Book title)

Nuclear Inst. and Methods in Physics Research, B

First Page

518

Last Page

524

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