[labnetwork] Cerium handling for vacuum deposition sources - anyone tried it?

[Mike Young]

Hi Bob. We were originally thinking of e-beam or sputter deposition, 
using metallic cerium as a source. I'm guessing from your comment that 
this approach is a bad idea?

--Mike


On 7/13/2018 5:50 PM, Robert M. HAMILTON wrote:
> Michael Young,
>
> I'll presume you have identified  a cerium compound that disassociates 
> in vacuum, at a reasonable temperature to yield metallic cerium. I 
> have not researched the literature. I do know cerium is used in 
> photocathodes and when I made photomultiplier tubes I routinely 
> evaporated cesium and antimony in situ using dispensers made by SAES, 
> Italy. They also had barium and mercury dispensers. If you have not ID 
> the precursor it might be worth contacting SAES.
>
> Regards,
> Bob
>
>
>
>
> Robert Hamilton
> Mobile 510-325-7557 (my personal mobile)
> E-mail preferred: bob at eecs.berkeley.edu <mailto:bob at eecs.berkeley.edu>
>
>
> On Fri, Jul 13, 2018 at 8:23 AM, Michael Young <myoung6 at nd.edu 
> <mailto:myoung6 at nd.edu>> wrote:
>
>     A web search shows that special care might be required in order to
>     use cerium as an evaporation or sputtering source.  Anyone tried
>     it?  Suggestions/cautions/warnings/horror stories?
>
>     Thanks...
>
>     -- 
>     Michael P. Young                                (574) 631-3268
>     (office)
>     Nanofabrication Specialist                      (574) 631-4393 (fax)
>     Department of Electrical Engineering            (765) 637-3784 (cell)
>     University of Notre Dame mike.young at nd.edu <mailto:mike.young at nd.edu>
>     B-38 Stinson-Remick Hall
>     Notre Dame, IN 46556-5637
>
>
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-- 
Michael P. Young                        (574) 631-3268 (office)
Nanofabrication Specialist              (574) 631-4393 (fax)
Department of Electrical Engineering    (765) 637-3784 (cell)
University of Notre Dame                 mike.young at nd.edu
B-38 Stinson-Remick Hall
Notre Dame, IN 46556-5637

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