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Article #394

Re: SEM of lithium?

#394
From: David Toland
Date: Wed, 06 Jan 1993 15:07
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In article <1993Jan4.101403.165435@dstos3.dsto.gov.au> mt_wilson@fencer.dsto.gov.au (Alan Wilson) writes:
>I have looked at Li metal in a SEM by scraping the surface while the sample
>is just out of the air lock and then quickly inserting it - probably not for
>you.  I have also thought of preparing the sample under dry nitrogen and 
>transferring under nitrogen into the SEM.

Not nitrogen.  Li reacts with N2 to form a black film of Lithium Nitride.
The reaction is not fast, but since he's interested in the surface
conditions I would avoid nitrogen.  Argon is inert toward lithium, and
is available through welding supply houses.

Sorry, I don't have any detailed suggestions about prepping for SEM.


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From: det@phlan.sw.stratus.com (David Toland)
Newsgroups: sci.materials,sci.chem
Subject: Re: SEM of lithium?
Date: 6 Jan 1993 15:07:52 GMT
Organization: Stratus Computer, Software Engineering
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