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Looking for a material with high mag. permeability, but low residual mag.

  1. Sep 15, 2009 #1
    Hi, I am trying to make a electromagnet to attract a ferrous material..

    Currently I am using Iron and permalloy cores for my coil electromagnets, but the residual magnetism is higher than I'd like.
    Is there any material with a high magnetic permeability AND low residual magnetism?

    Thanks for any suggestions!
  2. jcsd
  3. Oct 4, 2009 #2
    This might not help, but hot ferro magnets above their Curie temperature are paramagnetic. Otherwise it seems like the materials tend to pick up their own field...
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