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Magnetoresistive element having reduced spin transfer induced noise

  • US 7,245,462 B2
  • Filed: 05/05/2004
  • Issued: 07/17/2007
  • Est. Priority Date: 08/21/2003
  • Status: Expired due to Fees
First Claim
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1. A magnetic element comprising:

  • a pinned layer being ferromagnetic and having a pinned layer magnetization;

    a spacer layer, the spacer layer being non magnetic; and

    a free layer, the spacer layer residing between the pinned layer and the free layer, the free layer being ferromagnetic and having a free layer magnetization, the free layer being configured to have an increased magnetic damping constant;

    wherein the free layer includes CoFeCuX where X is Tb, Gd, Pt, Ta, Os, Nb, Rh, or Ru.

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