[labnetwork] Carbon deposition in e-beam evaporator
Aaron Hryciw
ahryciw at ualberta.ca
Wed Oct 4 12:06:35 EDT 2017
Dear colleagues,
We have recently had a request to deposit carbon via electron-beam
evaporation, to create thin (≤10 nm) films of diamond-like carbon. We are
an open-access nanofabrication/characterization centre in a university
setting, so cross-contamination is a concern. However, in addition to our
workhorse e-beam evaporators, we have an under-utilised cryo-pumped e-beam
system, the chamber of which is typically lined with Al foil, and I am
considering using this system for this carbon deposition. It has
historically only been used for metal and Si deposition. Given that the
foil is replaced frequently, I would hope that this would mitigate chamber
contamination.
Are there any other concerns with carbon deposition via e-beam evaporation
that I should be aware of? Any advice/wisdom/tips and tricks would be
appreciated. Many thanks.
Cheers,
– Aaron
Aaron Hryciw, PhD, PEng
Fabrication Group Manager
University of Alberta - nanoFAB
W1-060 ECERF Building
9107 - 116 Street
Edmonton, Alberta
Canada T6G 2V4 Ph: 780-940-7938
www.nanofab.ualberta.ca
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