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Subject: UHV evaporation of Aluminum by e-beam

Date: 03/14/03 at 5:06 AM
Posted by: M. Bielmann
E-mail: michael.bielmann@empa.ch
Message Posted:

We are woring in surface science and want to evaporate Al by e-beam. As we are limited to an almost horizontal arrangement of the source (15deg. of horizontal) the wetting behaviour of Al is a problem. Is there suitable crucible material that is not wetted by aluminum so that with a nozzle aluminum does not flow out of the crucible? What crucible materials are common/usable for this kind of task? (PBN, SiN, Glassy Carbon ???)

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