Stability of ZnO{0 0 0 1} against low energy ion bombardment

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Authors

Sulyok, A.
Menyhard, M.
Malherbe, Johan B.

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Elsevier

Abstract

The steady-state surface compositions of the polar (O and Zn terminated) faces of ZnO{0 0 0 1} produced by low energy (0.3–2 keV) Ar+ ion bombardment were studied by Auger electron spectroscopy and electron energy loss spectroscopy. The alterations produced by the ion bombardment using different ion energies were monitored by calculating the intensity ratios of the low and high energy Zn Auger peaks (59 eV and 994 eV, respectively); Zn and O Auger peaks (59 eV and 510 eV, respectively). Based on the dependence of these ratios on the ion energy and termination of the surface, we could conclude that the stability of the Zn face is higher against the low energy argon ion bombardment-induced compositional changes than that of the O face.

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Keywords

ZnO, Polar faces, Auger electron spectroscopy

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Citation

Sulyok, A, Menyhard, M & Malherbe, JB 2007, ‘Stability of ZnO{0 0 0 1} against low energy ion bombardment’, Surface Science, vol.601, issue 8, pp. 1857-1861.[http://www.sciencedirect.com/science/journal/00396028]