Unambiguous Electrical Detection of Spin-Charge Conversion in Lateral Spin-Valves
Efficient detection of spin-charge conversion is crucial for advancing our understanding of emergent phenomena in spin-orbit-coupled nanostructures. Here, we provide proof of principle of an electrical detection scheme of spin-charge conversion that enables full disentanglement of competing spin-orb...
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| creator | Cavill, Stuart A Huang, Chunli Offidani, Manuel Yu-Hsuan, Lin Cazalilla, Miguel A Ferreira, Aires |
| description | Efficient detection of spin-charge conversion is crucial for advancing our understanding of emergent phenomena in spin-orbit-coupled nanostructures. Here, we provide proof of principle of an electrical detection scheme of spin-charge conversion that enables full disentanglement of competing spin-orbit coupling transport phenomena in diffusive lateral channels i.e. the inverse spin Hall effect (ISHE) and the spin galvanic effect (SGE). A suitable detection geometry in an applied oblique magnetic field is shown to provide direct access to spin-charge transport coefficients through a simple symmetry analysis of the output non-local resistance. The scheme is robust against tilting of the spin-injector magnetization, disorder and spurious non-spin related contributions to the non-local signal, and can be used to probe spin-charge conversion effects in both spin-valve and hybrid optospintronic devices. |
| doi_str_mv | 10.48550/arxiv.1906.10448 |
| format | Article |
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| subjects | Charge transport Conversion Electric charge Electron spin Electronic structure Electrons Hall effect Physics - Mesoscale and Nanoscale Physics Spin valves Two dimensional materials Valves |
| title | Unambiguous Electrical Detection of Spin-Charge Conversion in Lateral Spin-Valves |
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