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Updated: Sep 29, 2025
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Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
Published on: June 28, 2018
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Spin-orbit enabled all-electrical readout of chiral spin-textures
Imara Lima Fernandes1, Stefan Blügel2, Samir Lounis3,4
1Peter Grünberg Institut and Institute for Advanced Simulation, Forschungszentrum Jülich and JARA, D-52425, Jülich, Germany. i.lima.fernandes@fz-juelich.de.
Nature Communications
|March 25, 2022
Summary
We introduce chiral spin-mixing magnetoresistance (C-XMR) for efficient electrical detection of magnetic chirality and helicity. This breakthrough enables all-electrical readout of topological magnetic states, advancing information technology applications.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Spintronics
Background:
- Chirality and topology are key concepts for magnetic data storage.
- Current methods struggle with electrical readout of chiral magnetic properties.
Purpose of the Study:
- To develop an efficient all-electrical method for reading chirality and helicity in magnetic materials.
- To explore novel magnetoresistance effects for topological spintronics.
Main Methods:
- Extensive first-principles simulations.
- Multiple scattering expansion.
- Systematic analysis of non-collinear magnetic states (spin-spirals, skyrmions).
Main Results:
- Demonstrated chiral spin-mixing magnetoresistance (C-XMR) for efficient electrical readout.
- C-XMR shows linear dependence on spin-orbit coupling.
- Unveiled non-local spin-mixing anisotropic MR (X-AMR) with quadratic dependence.
- Compared C-XMR and X-AMR with spin-orbit-independent magnetoresistances.
Conclusions:
- C-XMR and X-AMR provide a pathway for all-electrical detection of chiral and topological magnetic states.
- These effects are implementable in existing reading devices.
- Opens new avenues for exploring chiral magnetic objects using electrical methods.
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