Biswas, C. ; Shukla, A. K. ; Banik, S. ; Ahire, V. K. ; Barman, S. R. (2003) XPS and LEED study of Argon bombarded Al(1 1 1) surface Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 212 . pp. 297-302. ISSN 0168-583X
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0168-583X(03)01500-3
Abstract
Argon ion bombardment on Al(1 1 1) leads to formation of adatoms and sub-surface bubbles. From X-ray photoemission spectroscopy study, we find that the Ar core-levels exhibit a systematic shift in binding energy and change in the line shape as function of ion incidence energy. This is related to the increase in size of the sub-surface bubbles created by argon ion bombardment where the Ar atoms are trapped. Low energy electron diffraction pattern for Al(1 1 1) exhibits broadened spots and enhanced background intensity after bombardment which is related to the formation of random steps and terraces on the surface.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Photoemission; LEED; Vacancy; Implantation |
| ID Code: | 64608 |
| Deposited On: | 12 Oct 2011 05:17 |
| Last Modified: | 17 Jul 2012 08:13 |
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