gold alloy for tunneling electrodes

Laura Oropeza loropeza at
Thu Jun 17 11:52:00 PDT 2004


I would like to know if someone has any experience/information about the
appropiate metallization for tunneling tips on Silicon. Some people have
used Al/Au but it presents the purple plague phenomena and it is easy that
the metal comes out in the wire bonding process. I was thinking to use Ti/Au
or Cr/Au but I don't Know how do these could affect the Au work function or
if there is atoms migration.

I would appreciate any assistance on this subject



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