Theory of inverse Rashba-Edelstein effect induced by spin pumping into a two-dimensional electron gas

Yama, M.; Matsuo, M.; Kato, T.

doi:10.1103/physrevb.108.144430

Cited by 4 publications

(1 citation statement)

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“…This mechanism is know as spin pumping [282]. Here, the inverse SEE generates a pure 2D charge current [283], which is detected electrically. Bilinear magnetoresistance due to the Edelstein effect in a Rashba system.…”

Section: Spin Injection Via Ferromagnetic Resonancementioning

confidence: 99%

Theory of spin and orbital Edelstein effects

Johansson

2024

J. Phys.: Condens. Matter

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In systems with broken spatial inversion symmetry, such as surfaces, interfaces, or bulk systems lacking an inversion center, the application of a charge current can generate finite spin and orbital densities associated with a nonequilibrium magnetization, which is known as spin and orbital Edelstein effect (SEE and OEE), respectively. Early reports on this current-induced magnetization focus on two-dimensional Rashba systems, in which an in-plane nonequilibrium spin density is generated perpendicular to the applied charge current. However, until today, a large variety of materials have been theoretically predicted and experimentally demonstrated to exhibit a sizeable Edelstein effect, which comprises contributions from the spin as well as the orbital degrees of freedom, and whose associated magnetization may be out of plane, nonorthogonal, and even parallel to the applied charge current, depending on the system's particular symmetries. In this review, we give an overview on the most commonly used theoretical approaches for the discussion and prediction of the SEE and OEE. Further, we introduce a selection of the most intensely discussed materials exhibiting a finite Edelstein effect, and give a brief summary of common experimental techniques.

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Section: Spin Injection Via Ferromagnetic Resonancementioning

confidence: 99%