GoKawiilResearchers demonstrate spin injection that breaks time-reversal symmetry in a compensated magnet
An international research team reports experimental evidence of spin injection from a compensated (zero-net-moment) magnetic material that breaks time-reversal symmetry, a hallmark behavior associated with altermagnets. The work, funded by European and Czech research agencies among others, was published describing the underlying physics and measurement approach.
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Compensated magnets that still produce spin-polarized currents could offer a new route to spintronic devices without the stray magnetic fields typical of ferromagnets, researchers in the field suggest. This kind of result adds experimental support to the emerging category of altermagnetic materials, which theorists have proposed as candidates for faster, more efficient memory and logic technologies.
- Spin injection was observed from a compensated magnet, a material with no net magnetization.
- The effect breaks time-reversal symmetry, a signature feature tied to altermagnetism.
- The research was supported by numerous European and Czech funding agencies, reflecting a broad international collaboration.
Source: nature.com — Mencos, 2026-10-28
Published there as: “Time-reversal-symmetry-breaking spin injection from a compensated magnet”
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