Document Type

Article

Publication Date

1-1-1987

Abstract

Core-exciton-induced desorption of O and H from MgO(100) and MgO(111) has been observed using photon excitation energies spanning the O K edge. Electron-yield data from partially oxidized Mg implies that these states are localized in the near-surface region. O and H desorption results from the decay of different O core-exciton states as well as the states produced by interband transitions. The O excitonic levels are interpreted in terms of their related atomic origin. © 1987 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review B

First Page

7794

Last Page

7797

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