Electron gun evaporation technique is that one of theoldest techniques used for depositing thin films [18,19],which is still widely used in the laboratories and in industriesfor depositing 54 metals and metal alloys. Thefollowing sequential basic steps take place: 1) a vapour isgenerated by boiling or subliming a source material; 2)the vapour is transported from the source to the substrate;and 3) the vapour is condensed to a solid film on the substratesurface.
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