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<p>It's true that gold will alloy with tungsten. However, carbon
crucibles are not ideal for gold evaporation, since gold will
agglomerate around carbon particles. The gold film will be lumpy
if carbon is accidentally evaporated from the crucible. Molybdenum
crucibles are much better. <br>
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Michael Rooks
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Yale Institute of Nanoscience and Quantum Engineering
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<a href="http://nano.yale.edu">nano.yale.edu</a>
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<div class="moz-cite-prefix">On 11/14/16 12:02 PM, Beth Fuchs wrote:<br>
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<blockquote cite="mid:5829EE09.10400@unm.edu" type="cite">We used
tungsten crucibles for our gold evaporation in the past but wnt
back to glossy carbon crucibles instead. We found that we were
having issues with the gold alloying with the tungsten crucible.
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Beth
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