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Spin torque oscillator with high power output and its applications

  • US 10,135,392 B2
  • Filed: 09/27/2016
  • Issued: 11/20/2018
  • Est. Priority Date: 07/04/2016
  • Status: Active Grant
First Claim
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1. A spin torque oscillator comprising:

  • a first magnetic reference layer having a fixed magnetization;

    a magnetic precession layer having a magnetization capable of precessing about an initial direction; and

    a first barrier layer interposed between the first magnetic reference layer and the magnetic precession layer, the first barrier layer being formed of an insulating material capable of inducing a negative differential resistance for the spin torque oscillator;

    wherein the first barrier layer is formed of a material AB having a cubic crystal structure where A represents cation sites and B represents anion sites in the cubic crystal structure, the cation sites A are occupied disorderly by at least two of Mg, Al, Zn and vacancy, and the anion sites B are occupied by one or more of O, N, Cl, F and vacancy.

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