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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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I. <strong>Sp<strong>in</strong></strong>-­‐orbit Coupl<strong>in</strong>g Strikes Back <br />

b. A new hope… <br />

AlOx, MgO, TaN <br />

Co, NiFe, CoFeB <br />

Pt, Ta, Bi , W <br />

Bulk NM <br />

<strong>Sp<strong>in</strong></strong> Hall <br />

effect <br />

SHE <strong>Torque</strong> <br />

IOnerant sp<strong>in</strong>s <br />

SHE <strong>in</strong>duced AMR, AHE <br />

Band structure versus disorder? <br />

Rashba <strong>Torque</strong> <br />

Dy’akonov-­‐Perel RelaxaOon <br />

Interface <br />

NM/F <br />

“Rashba” <br />

SOC <br />

local sp<strong>in</strong>s <br />

Dzyalosh<strong>in</strong>skii-­‐Moriya <br />

Anisotropic Damp<strong>in</strong>g <br />

13

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