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SUMMARY:Templated Solid-State Dewetting
DTSTART:20120423T131500
DTSTAMP:20260406T204431Z
UID:23cff4123122aca90e564a898b125f7c2761230c15f5ed212bef75bb
CATEGORIES:Conferences - Seminars
DESCRIPTION:Carl V Thompson\, MIT\nSolid films are usually metastable or u
 nstable in the as-deposited state\, and will dewet or agglomerate to form 
 islands when heated to sufficiently high temperatures. This process is dri
 ven by surface energy minimization and generally occurs via surface diffus
 ion at temperatures well below the melting temperature\, especially when a
  film is very thin. Dewetting during processing of films used in micro- an
 d nano-systems is often undesirable\, so that means of avoiding dewetting 
 are important in this context. However\, dewetting can also be useful in m
 aking arrays of nano-scale particles for electronic and photonic devices a
 nd for catalyzing growth of nanotubes and nanowires. Templating of dewetti
 ng using patterned surface topography or pre-patterning of films can be us
 ed to create ordered arrays of particles and complex patterns of partially
  dewetted structures. Studies of dewetting can also provide fundamental ne
 w insight into the effects of surface-energy anisotropy and facets on shap
 e evolution.
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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