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Best semiconductors

  1. Apr 9, 2007 #1
    If cost wasn't an issue, what would semiconductors be made from to maximise their efficiency,useful lifetime etc?
     
  2. jcsd
  3. Apr 9, 2007 #2
    It really depends on the application. Silicon, for example, isn't just cheap: it also has a native oxide that can be easily grown without forming surface states. III-V compounds, while generally faster, don't have good native oxides, and make poor-quality FETs. On the other hand, III-Vs are great for HBTs.
     
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