Fleury, Genevieve and Barth, Michael and Gorini, Cosimo (2023) Tunneling anisotropic spin galvanic effect. PHYSICAL REVIEW B, 108 (8): L081402. ISSN 2469-9950, 2469-9969
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We show that pure spin injection from a magnetic electrode into an inversion symmetry-broken system composed of a tunnel barrier and a metallic region generates a transverse charge current. Such a tunneling spin galvanic conversion is robust to disorder and nonlocal, i.e., injection and detection contacts do not coincide, and is strongly anisotropic whenever the internal spin-orbit field has a nontrivial angular dependence. The anisotropy shows up in linear response, contrary to what happens in bulk conversion setups lacking tunneling elements. This is particularly relevant for spin-charge conversion at oxide interfaces, where both the tunnel barrier and the receiving low-dimensional metallic system host effective spin-orbit fields with complex angular symmetries.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ELECTRON-GAS; SPINTRONICS; INTERFACE; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 13 Mar 2024 14:40 |
| Last Modified: | 13 Mar 2024 14:40 |
| URI: | https://pred.uni-regensburg.de/id/eprint/59994 |
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