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Laser annealing of Ni(001)

 

作者: R. P. McConnell,   K. D. Jamison,   F. B. Dunning,   G. K. Walters,  

 

期刊: Journal of Vacuum Science&Technology A: Vacuum, Surfaces, and Films  (AIP Available online 1983)
卷期: Volume 1, issue 4  

页码: 1852-1856

 

ISSN:0734-2101

 

年代: 1983

 

DOI:10.1116/1.572227

 

出版商: American Vacuum Society

 

关键词: nickel;annealing;laser radiation;irradiation;ruby lasers;electron diffraction;auger electron spectroscopy;sputtering;surface treatments;medium temperature;high temperature

 

数据来源: AIP

 

摘要:

The use of laser annealing in the preparation of a clean, well‐ordered Ni(001) surface has been investigated. The surface was cleaned by argon ion bombardment and subsequently irradiated with the fundamental output of a high power, Q‐switched ruby laser. The laser treated surface was characterized by use of Auger electron spectroscopy and both conventional and spin‐polarized LEED, and the data compared to that from a surface prepared by thermal annealing. Laser irradiation of a sputtered surface at energy densities of ∼0.8 J cm−2leads to complete removal of residual argon without segregation of carbon or other contaminants at the surface. However, irradiation at an elevated temperature ∼200 °C is required to obtain a well‐ordered surface. At elevated temperatures, laser annealing provides a surface with cleanness and surface order comparable to that obtained by conventional thermal annealing.

 

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