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NANOSCALE ELECTRONIC SPIN FILTER

  • US 20180019328A1
  • Filed: 11/19/2015
  • Published: 01/18/2018
  • Est. Priority Date: 11/19/2014
  • Status: Active Grant
First Claim
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1. A spin filter device comprising two metal electrodes ended with low-coordinated surfaces and at least one atomic scale junction between said surfaces;

  • said atomic scale junction comprising;

    at least one oxygen atom;

    orat least one atomic chain formed by atoms of said metal and oxygen atoms interconnected between said metal atoms;

    thereby enhancing a spin-filtering effect by selective p-d orbital hybridization between the p orbitals of the oxygen and the d orbitals of the metal, promoting spin-polarized currents via frontier d orbitals of the metal and suppressing poorly spin polarized-currents via frontier s orbitals of the metal.

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