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References
Johnson, M. & Silsbee, R. H. Interfacial charge-spin coupling: injection and detection of spin magnetization in metals. Phys. Rev. Lett. 55, 1790–1793 https://doi.org/10.1103/PhysRevLett.55.1790 (1985).
Article ADS CAS PubMed Google Scholar
Jedema, F. J., Filip, A. T. & van Wees, B. J. Electrical spin injection and accumulation at room temperature in an all-metal mesoscopic spin valve. Nature 410, 345–348 https://doi.org/10.1038/35066533 (2001).
Article ADS CAS PubMed Google Scholar
Jedema, F. J., Nijboer, M. S., Filip, A. T. & van Wees, B. J. Spin injection and spin accumulation in all-metal mesoscopic spin valves. Phys. Rev. B 67, 085319 https://doi.org/10.1103/PhysRevB.67.085319 (2003).
Article ADS CAS Google Scholar
Tombros, N., Jozsa, C., Popinciuc, M., Jonkman, H. T. & van Wees, B. J. Electronic spin transport and spin precession in single graphene layers at room temperature. Nature 448, 571–574 https://doi.org/10.1038/nature06037 (2007).
Article ADS CAS PubMed Google Scholar
Lou, X. et al. Electrical detection of spin transport in lateral ferromagnet-semiconductor devices. Nat. Phys. 3, 197–202 https://doi.org/10.1038/nphys543 (2007).
Article CAS Google Scholar
Casanova, F., Sharoni, A., Erekhinsky, M. & Schuller, I. K. Control of spin injection by direct current in lateral spin valves. Phys. Rev. B 79, 184415 https://doi.org/10.1103/PhysRevB.79.184415 (2009).
Article ADS CAS Google Scholar
Hamaya, K. et al. Estimation of the spin polarization for Heusler-compound thin films by means of nonlocal spin-valve measurements: comparison of Co2FeSi and Fe3Si. Phys. Rev. B 85, 100404(R) https://doi.org/10.1103/PhysRevB.85.100404 (2012).
Article ADS CAS Google Scholar
Zahnd, G. et al. Spin diffusion length and polarization of ferromagnetic metals measured by the spin-absorption technique in lateral spin valves. Phys. Rev. B 98, 174414 https://doi.org/10.1103/PhysRevB.98.174414 (2018).
Article ADS CAS Google Scholar
Fukuma, Y. et al. Giant enhancement of spin accumulation and long-distance spin precession in metallic lateral spin valves. Nat. Mater. 10, 527–531 https://doi.org/10.1038/nmat3046 (2011).
Article CAS PubMed Google Scholar
Kaiser, B. et al. Optimizing nonlocal spin valves via wide-range interfacial-resistance tuning: toward spin-accumulation sensors. Phys. Rev. Applied 22, 064050 https://doi.org/10.1103/PhysRevApplied.22.064050 (2024).
Article ADS CAS Google Scholar
Sagasta, E. et al. Tuning the spin Hall effect of Pt from the moderately dirty to the superclean regime. Phys. Rev. B 94, 060412(R) https://doi.org/10.1103/PhysRevB.94.060412 (2016).
Article ADS CAS Google Scholar
Morota, M. et al. Indication of intrinsic spin Hall effect in 4d and 5d transition metals. Phys. Rev. B 83, 174405 https://doi.org/10.1103/PhysRevB.83.174405 (2011).
Article ADS CAS Google Scholar
Laczkowski, P. et al. Large enhancement of the spin Hall effect in Au by side-jump scattering on Ta impurities. Phys. Rev. B 96, 140405(R) https://doi.org/10.1103/PhysRevB.96.140405 (2017).
Article ADS Google Scholar
Omori, Y. et al. Relation between spin Hall effect and anomalous Hall effect in 3d ferromagnetic metals. Phys. Rev. B 99, 014403 https://doi.org/10.1103/PhysRevB.99.014403 (2019).
Article ADS CAS Google Scholar
Cosset-Chéneau, M. et al. Electrical measurement of the spin Hall effect isotropy in ferromagnets with strong spin-orbit interactions. Phys. Rev. B 106, L220405 https://doi.org/10.1103/PhysRevB.106.L220405 (2022).
Article ADS Google Scholar
Sinova, J., Valenzuela, S. O., Wunderlich, J., Back, C. H. & Jungwirth, T. Spin Hall effects. Rev. Mod. Phys. 87, 1213–1260 https://doi.org/10.1103/RevModPhys.87.1213 (2015).
Article ADS Google Scholar
González-Hernández, R. et al. Efficient electrical spin splitter based on nonrelativistic collinear antiferromagnetism. Phys. Rev. Lett. 126, 127701 https://doi.org/10.1103/PhysRevLett.126.127701 (2021).
Article ADS PubMed Google Scholar
Šmejkal, L., Hellenes, A. B., González-Hernández, R., Sinova, J. & Jungwirth, T. Giant and tunneling magnetoresistance in unconventional collinear antiferromagnets with nonrelativistic spin-momentum coupling. Phys. Rev. X 12, 011028 https://doi.org/10.1103/PhysRevX.12.011028 (2022).
Article Google Scholar
Šmejkal, L., Sinova, J. & Jungwirth, T. Beyond conventional ferromagnetism and antiferromagnetism: a phase with nonrelativistic spin and crystal rotation symmetry. Phys. Rev. X 12, 031042 https://doi.org/10.1103/PhysRevX.12.031042 (2022).
Article Google Scholar
Šmejkal, L., Sinova, J. & Jungwirth, T. Emerging research landscape of altermagnetism. Phys. Rev. X 12, 040501 https://doi.org/10.1103/PhysRevX.12.040501 (2022).
Article Google Scholar
Jungwirth, T., Sinova, J., Wadley, P., Kriegner, D., Reichlová, H., Krizek, F., Ohno, H. & Šmejkal, L. Altermagnetic spintronics. Nat. Phys. 22, 1012–1021 https://doi.org/10.1038/s41567-026-03337-w (2026).
Article CAS Google Scholar
Šmejkal, L., MacDonald, A. H., Sinova, J., Nakatsuji, S. & Jungwirth, T. Anomalous Hall antiferromagnets. Nat. Rev. Mater. 7, 482–496 https://doi.org/10.1038/s41578-022-00430-3 (2022).
Article Google Scholar
Nakatsuji, S. & Arita, R. Topological magnets: functions based on Berry phase and multipoles. Annu. Rev. Condens. Matter Phys. 13, 119–142 https://doi.org/10.1146/annurev-conmatphys-031620-103859 (2022).
Article ADS CAS Google Scholar
Rimmler, B. H., Pal, B. & Parkin, S. S. P. Non-collinear antiferromagnetic spintronics. Nat. Rev. Mater. 10, 109–127 https://doi.org/10.1038/s41578-024-00706-w (2024).
Article CAS Google Scholar
Gonzalez Betancourt, R. D. et al. Spontaneous anomalous Hall effect arising from an unconventional compensated magnetic phase in a semiconductor. Phys. Rev. Lett. 130, 036702 https://doi.org/10.1103/PhysRevLett.130.036702 (2023).
Article ADS CAS PubMed Google Scholar
Han, J., Yoon, J.-Y., Ohno, H. & Fukami, S. Unconventional responses in non-collinear antiferromagnets. Newton 1, 100012 https://doi.org/10.1016/j.newton.2025.100012 (2025).
Article Google Scholar
Železný, J., Zhang, Y., Felser, C. & Yan, B. Spin-polarized current in noncollinear antiferromagnets. Phys. Rev. Lett. 119, 187204 https://doi.org/10.1103/PhysRevLett.119.187204 (2017).
Article ADS PubMed Google Scholar
Dieny, B. et al. Opportunities and challenges for spintronics in the microelectronics industry. Nat. Electron. 3, 446–459 https://doi.org/10.1038/s41928-020-0461-5 (2020).
Article Google Scholar
Incorvia, J. A. C. et al. Spintronics for achieving system-level energy-efficient logic. Nat. Rev. Electr. Eng. 1, 700–713 https://doi.org/10.1038/s44287-024-00103-z (2024).
Article Google Scholar
Worledge, D. C. et al. STT-MRAM - Status and outlook. In Proc. 2022 IEEE 33rd Magnetic Recording Conference (TMRC), 1–2 https://doi.org/10.1109/TMRC56419.2022.9918607 (IEEE, 2022).
IRDS. International Roadmap for Devices and Systems: 2024 IRDS Metrology. https://irds.ieee.org/images/files/pdf/2024/2024IRDS_MET.pdf (IEEE, 2024).
Nakatsuji, S., Kiyohara, N. & Higo, T. Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature. Nature 527, 212–215 https://doi.org/10.1038/nature15723 (2015).
Article ADS CAS PubMed Google Scholar
Ikhlas, M. et al. Large anomalous Nernst effect at room temperature in a chiral antiferromagnet. Nat. Phys. 13, 1085–1090 https://doi.org/10.1038/nphys4181 (2017).
Article CAS Google Scholar
Badura, A. et al. Observation of the anomalous Nernst effect in altermagnetic candidate Mn5Si3. Nat. Commun. 16, 7111 https://doi.org/10.1038/s41467-025-62331-7 (2025).
Article ADS CAS PubMed PubMed Central Google Scholar
Reichlova, H. et al. Observation of a spontaneous anomalous Hall response in the Mn5Si3 d-wave altermagnet candidate. Nat. Commun. 15, 4961 https://doi.org/10.1038/s41467-024-48493-w (2024).
Article ADS CAS PubMed PubMed Central Google Scholar
Leiviskä, M. et al. Anisotropy of the anomalous Hall effect in thin films of the altermagnet candidate Mn5Si3. Phys. Rev. B 109, 224430 https://doi.org/10.1103/PhysRevB.109.224430 (2024).
Article ADS Google Scholar
Rial, J. et al. Altermagnetic variants in thin films of Mn5Si3. Phys. Rev. B 110, L220411 https://doi.org/10.1103/PhysRevB.110.L220411 (2024).
Article ADS CAS Google Scholar
Chen, X. et al. Octupole-driven magnetoresistance in an antiferromagnetic tunnel junction. Nature 613, 490–495 https://doi.org/10.1038/s41586-022-05463-w (2023).
Article ADS CAS PubMed PubMed Central Google Scholar
Qin, P. et al. Room-temperature magnetoresistance in an all-antiferromagnetic tunnel junction. Nature 613, 485–489 https://doi.org/10.1038/s41586-022-05461-y (2023).
Article ADS CAS PubMed Google Scholar
Kounta, I. et al. Competitive actions of MnSi in the epitaxial growth of Mn5Si3 thin films on Si(111). Phys. Rev. Mater. 7, 024416 https://doi.org/10.1103/PhysRevMaterials.7.024416 (2023).
Article CAS Google Scholar
Takahashi, S. & Maekawa, S. Spin injection and detection in magnetic nanostructures. Phys. Rev. B 67, 052409 https://doi.org/10.1103/PhysRevB.67.052409 (2003).
Article ADS CAS Google Scholar
Sagasta, E. et al. Spin diffusion length of Permalloy using spin absorption in lateral spin valves. Appl. Phys. Lett. 111, 082407 https://doi.org/10.1063/1.4990652 (2017).
Article ADS CAS Google Scholar
Dolan, E. et al. Measuring the magnetic anisotropy of the spin Hall effect and spin relaxation length in nickel and permalloy via electrical spin injection. Phys. Rev. B 112, 134404 https://doi.org/10.1103/dx73-2lp6 (2025).
Article ADS CAS Google Scholar
Han, L. et al. Electrical 180° switching of Néel vector in spin-splitting antiferromagnet. Sci. Adv. 10, eadn0479 https://doi.org/10.1126/sciadv.adn0479 (2024).
Article ADS CAS PubMed PubMed Central Google Scholar
Nagaosa, N., Sinova, J., Onoda, S., MacDonald, A. H. & Ong, N. P. Anomalous Hall effect. Rev. Mod. Phys. 82, 1539–1592 https://doi.org/10.1103/RevModPhys.82.1539 (2010).
Article ADS Google Scholar
Gottschilch, M. et al. Study of the antiferromagnetism of Mn5Si3: an inverse magnetocaloric effect material. J. Mater. Chem. 22, 15275–15284 https://doi.org/10.1039/c2jm00154c (2012).
Article CAS Google Scholar
Sürgers, C., Fischer, G., Winkel, P. & von Löhneysen, H. Large topological Hall effect in the non-collinear phase of an antiferromagnet. Nat. Commun. 5, 3400 https://doi.org/10.1038/ncomms4400 (2014).
Article ADS CAS PubMed Google Scholar
Sürgers, C., Kittler, W., Wolf, T. & von Löhneysen, H. Anomalous Hall effect in the noncollinear antiferromagnet Mn5Si3. AIP Adv. 6, 055604 https://doi.org/10.1063/1.4943759 (2016).
Article ADS CAS Google Scholar
Dou, M., Wang, X. & Tao, L. L. Anisotropic spin-polarized conductivity in collinear altermagnets. Phys. Rev. B 111, 224423 https://doi.org/10.1103/w52v-blqm (2025).
Article ADS CAS Google Scholar
Kresse, G. & Furthmüller, J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54, 11169–11186 https://doi.org/10.1103/PhysRevB.54.11169 (1996).
Article ADS CAS Google Scholar
Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865–3868 https://doi.org/10.1103/PhysRevLett.77.3865 (1996).
Article ADS CAS PubMed Google Scholar
Pizzi, G. et al. Wannier90 as a community code: new features and applications. J. Phys. Condens. Matter 32, 165902 https://doi.org/10.1088/1361-648X/ab51ff (2020).
Article ADS CAS PubMed Google Scholar
Wu, Q. S., Zhang, S. N., Song, H.-F., Troyer, M. & Soluyanov, A. A. WannierTools: an open-source software package for novel topological materials. Comput. Phys. Commun. 224, 405–416 https://doi.org/10.1016/j.cpc.2017.09.033 (2018).
Article ADS CAS Google Scholar
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Funding
We acknowledge funding from MICIU/AEI/10.13039/501100011033 (grant nos. CEX2020-001038-M and CEX2025-001634-M), from MICIU/AEI and ERDF/EU (project no. PID2024-155708OB-I00), from MICIU/AEI and the European Union under the M.ERA-NET programme (project no. PCI2026-177428-1), and from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska–Curie grant agreement no. 955671 (SPEAR). We also acknowledge the Grant Agency of the Czech Republic (grant no. 22-17899K), the MEYS of the Czech Republic through the OP JAK call Excellent Research (TERAFIT project no. CZ.02.01.01/00/22_008/0004594), the Dioscuri Program LV23025 funded by the Max Planck Society and the MEYS of the Czech Republic, the German Federal Ministry of Education and Research, and the COST action CHIROMAG. This work was also supported by the French National Research Agency (ANR) (project HEXAS ANR (grant no. 24-CE92-0038-02), and under the PEPR SPIN projects SPINMAT (grant no. ANR-2-EXPSP-0007) and ALTEROSPIN (grant no. ANR-24-EXSP-0002). J.M. acknowledges funding from the Department of Education of the Basque Government under the Predoctoral Programme for the training of nondoctoral research staff (grant no. PRE_2022_1_0297). L.S. acknowledges funding from the ERC Starting Grant (no. 101165122). D.K. acknowledges the Lumina Quaeruntur fellowship LQ100102201 of the Czech Academy of Sciences. O.G. and J.S. acknowledge support of the DFG (Elasto-Q-Mat, TRR 288 - 422213477 projects A12 and A09, and Spin+X TRR 173-268565370 projects A03 and B15). N.S. acknowledges support from the Programa de Desarrollo de las Ciencias Básicas (PEDECIBA). T.K. acknowledges support from the Research Council of Finland through DYNCOR (project no. 354735) and through the Finnish Quantum Flagship (project no. 359240). His work is also part of the Finnish Centre of Excellence in Quantum Materials. F.S.B. thanks financial support from the Spanish MICIU/AEI/10.13039/501100011033 through project no. PID2023-148225NB-C31, the European Union’s Horizon Europe research and innovation programme under grant agreement no. 101130224 (JOSEPHINE), and the Finnish InstituteQ under the Chair of Excellence programme. T.J. acknowledges support from the European Research Council Advanced Grant (no. 101095925) and MEYS of the Czech Republic (grant no. LM2023051).
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Mencos, J., Badura, A., Dolan, E. et al. Time-reversal-symmetry-breaking spin injection from a compensated magnet. Nature (2026). https://doi.org/10.1038/s41586-026-11227-7
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DOI: https://doi.org/10.1038/s41586-026-11227-7