I think he means crucible liner; not the hearth pockets.
Here is a link that has a table:

http://www.testbourne.com/instruments/evaporation-sources/electron-beam-
crucible/


On Fri, Oct 23, 2009 at 7:08 PM, Ruiz, Marcos Daniel (SENCOE)
 wrote:
> K.C.,
>
> It matters because in some cases materials are simply incompatible at high
temperature.  For example, you wouldn't want to evaporate silver out of a copper
crucible because the materials would form an alloy and your silver source would
be contaminated with copper.
>
> This site has a pretty extensive set of tables:
>
> http://www.lesker.com/newweb/menu_depositionmaterials.cfm?section=MDtable&init
=skip
>
> Dan