Spin-Orbit Torque in Magnetic Bilayers - Spintronics Theory Group
Spin-Orbit Torque in Magnetic Bilayers - Spintronics Theory Group Spin-Orbit Torque in Magnetic Bilayers - Spintronics Theory Group
I. Spin-‐orbit Coupling Strikes Back b. A new hope… ˆT = T ⊥ ( θ) ˆm × ŷ +T || ( θ) ˆm × ( ŷ × ˆm ) Spin Hall does NOT fully explain the data Rashba is NOT sufficient either 12
I. Spin-‐orbit Coupling Strikes Back b. A new hope… AlOx, MgO, TaN Co, NiFe, CoFeB Pt, Ta, Bi , W Bulk NM Spin Hall effect SHE Torque IOnerant spins SHE induced AMR, AHE Band structure versus disorder? Rashba Torque Dy’akonov-‐Perel RelaxaOon Interface NM/F “Rashba” SOC local spins Dzyaloshinskii-‐Moriya Anisotropic Damping 13
- Page 1 and 2: Spin-orbit Torques in Metallic Bila
- Page 3 and 4: Consider Applying! Spintronics at
- Page 5 and 6: 1 st International Workshop on Spin
- Page 7 and 8: Outline I. Spin-‐Orbit Coupli
- Page 9 and 10: I. Spin-‐orbit Coupling Strik
- Page 11: I. Spin-‐orbit Coupling Strik
- Page 15 and 16: II. What the spin is going on
- Page 17 and 18: II. What the spin is going on
- Page 19 and 20: Outline I. Spin-‐Orbit Coupli
- Page 21 and 22: II. What the spin is going on
- Page 23 and 24: II. What the spin is going on
- Page 25 and 26: II. What the spin is going on
- Page 27 and 28: Outline I. Spin-‐Orbit Coupli
- Page 29 and 30: V. Dzyaloshinskii-‐Moriya int
- Page 31 and 32: Outline I. Spin-‐Orbit Coupli
- Page 33 and 34: V. Spin-‐orbitronics with Ma
- Page 35: Thank you for your a9enOon! 35
I. <strong>Sp<strong>in</strong></strong>-‐orbit Coupl<strong>in</strong>g Strikes Back <br />
b. A new hope… <br />
ˆT = T ⊥<br />
( θ) ˆm × ŷ +T || ( θ) ˆm × ( ŷ × ˆm )<br />
<strong>Sp<strong>in</strong></strong> Hall does NOT fully expla<strong>in</strong> the data <br />
Rashba is NOT sufficient either <br />
12
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