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Spin-Orbit Torque in Magnetic Bilayers - Spintronics Theory Group

Spin-Orbit Torque in Magnetic Bilayers - Spintronics Theory Group

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II. What the sp<strong>in</strong> is go<strong>in</strong>g on ? Rashba <br />

a. Interfacial Band Structure <br />

CollaboraCon: U. Schw<strong>in</strong>genschlogl; S. Grytsyuk (KAUST) <br />

Noble Metal/Ferromagnet <br />

S. Grytsyuk <br />

M=-­‐M x x <br />

M=+M x x <br />

k y <br />

( σ )⋅ ˆk<br />

Ĥ = ε ( ˆk ) ⇒ Ĥ ≈ ε ( ˆk ) +α R ẑ × ˆ<br />

See Park, Kim, Lee & Han, Phys. Rev. B 87, 041301(R) 2013 <br />

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