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Article Dans Une Revue Journal of Physics: Condensed Matter Année : 2017

Toy model for uncommon spin–orbit-driven spin-torque terms

Résumé

A toy model combining the angular magneto electric (AME) coupling Hamitonian (Mondal et al 2015 Phys. Rev. B 92 100402) with long-range magnetic dipolar interactions is used to investigate spin-torque phenomena in a magnetic spin valve. It is found that such model (1) gives rise to spin-torque expressions that are analogous in form to those of the common spin-transfer torques; but also (2) predicts additional spin-torque terms, which are generated by an electrical current oriented along unconventional, in-plane directions. The magnitude of the AME induced terms is estimated and the conditions under which they may contribute significantly are explored.
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Dates et versions

hal-01613116 , version 1 (23-09-2020)

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Charles Paillard, Raymond Walter, Surendra Singh, Brahim Dkhil, L. Bellaiche. Toy model for uncommon spin–orbit-driven spin-torque terms. Journal of Physics: Condensed Matter, 2017, 29 (25), ⟨10.1088/1361-648X/aa6eff⟩. ⟨hal-01613116⟩
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