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 (2022).
Šmejkal, L., Sinova, J. & Jungwirth, T. Emerging research landscape of altermagnetism. Phys. Rev. X 12, 040501 (2022).
Šmejkal, L., MacDonald, A. H., Sinova, J., Nakatsuji, S. & Jungwirth, T. Anomalous Hall antiferromagnets. Nat. Rev. Mater. 7, 482–496 (2022).
Bai, L. et al. Altermagnetism: exploring new frontiers in magnetism and spintronics. Adv. Funct. Mater. 34, 2409327 (2024).
Song, C. et al. Altermagnets as a new class of functional materials. Nat. Rev. Mater. 10, 473–485 (2025).
Jungwirth, T. et al. Altermagnetism: an unconventional spin-ordered phase of matter. Newton 1, 100162 (2025).
Jungwirth, T. et al. Symmetry, microscopy and spectroscopy signatures of altermagnetism. Nature 649, 837 (2026).
Cho, A. 2024 breakthrough of the year: runners-up. Science 386, 1211 (2024).
Šmejkal, L., González-Hernández, R., Jungwirth, T. & Sinova, J. Crystal time-reversal symmetry breaking and spontaneous Hall effect in collinear antiferromagnets. Sci. Adv. 6, eaaz8809 (2020).
Mazin, I. I., Koepernik, K., Johannes, M. D., González-Hernández, R. & Šmejkal, L. Prediction of unconventional magnetism in doped FeSb2. Proc. Natl Acad. Sci. USA 118, e2108924118 (2021).
Guo, Y. et al. Spin-split collinear antiferromagnets: a large-scale ab-initio study. Mater. Today Phys. 32, 100991 (2023).
Xiao, Z., Zhao, J., Li, Y., Shindou, R. & Song, Z.-D. Spin space groups: full classification and applications. Phys. Rev. X 14, 031037 (2024).
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 (2022).
Ma, H.-Y. et al. Multifunctional antiferromagnetic materials with giant piezomagnetism and noncollinear spin current. Nat. Commun. 12, 2846 (2021).
Egorov, S. A. & Evarestov, R. A. Colossal spin splitting in the monolayer of the collinear antiferromagnet MnF2. J. Phys. Chem. Lett. 12, 2363–2369 (2021).
Brekke, B., Brataas, A. & Sudbø, A. Two-dimensional altermagnets: superconductivity in a minimal microscopic model. Phys. Rev. B 108, 224421 (2023).
Cui, Q., Zhu, Y., Yao, X., Cui, P. & Yang, H. Giant spin-Hall and tunneling magnetoresistance effects based on a two-dimensional nonrelativistic antiferromagnetic metal. Phys. Rev. B 108, 024410 (2023).
Chen, X., Wang, D., Li, L. & Sanyal, B. Giant spin-splitting and tunable spin-momentum locked transport in room temperature collinear antiferromagnetic semimetallic CrO monolayer. Appl. Phys. Lett. 123, 022402 (2023).
Mazin, I., González-Hernández, R. & Šmejkal, L. Induced monolayer altermagnetism in MnP(S,Se)3 and FeSe. Preprint at https://arxiv.org/abs/2309.02355 (2023).
Sødequist, J. & Olsen, T. Two-dimensional altermagnets from high throughput computational screening: symmetry requirements, chiral magnons, and spin-orbit effects. Appl. Phys. Lett. 124, 182409 (2024).
Naka, M. et al. Spin current generation in organic antiferromagnets. Nat. Commun. 10, 4305 (2019).
Ferrari, F. & Valentí, R. Altermagnetism on the Shastry-Sutherland lattice. Phys. Rev. B 110, 205140 (2024).
Krempaský, J. et al. Altermagnetic lifting of Kramers spin degeneracy. Nature 626, 517–522 (2024).
Lee, S. S. et al. Broken Kramers degeneracy in altermagnetic MnTe. Phys. Rev. Lett. 132, 036702 (2024).
Osumi, T. et al. Observation of a giant band splitting in altermagnetic MnTe. Phys. Rev. B 109, 115102 (2024).
Reimers, S. et al. Direct observation of altermagnetic band splitting in CrSb thin films. Nat. Commun. 15, 2116 (2024).
Yang, G. et al. Three-dimensional mapping of the altermagnetic spin splitting in CrSb. Nat. Commun. 16, 1442 (2025).
Ding, J. et al. Large band splitting in g-wave altermagnet CrSb. Phys. Rev. Lett. 133, 206401 (2024).
Zeng, M. et al. Observation of spin splitting in room-temperature metallic antiferromagnet CrSb. Adv. Sci. 11, 2406529 (2024).
Jiang, B. et al. A metallic room-temperature d-wave altermagnet. Nat. Phys. 21, 754–759 (2025).
Zhang, F. et al. Crystal-symmetry-paired spin-valley locking in a layered room-temperature metallic altermagnet candidate. Nat. Phys. 21, 760–767 (2025).
Šmejkal, L. et al. Chiral magnons in altermagnetic RuO2. Phys. Rev. Lett. 131, 256703 (2023).
Liu, Z., Ozeki, M., Asai, S., Itoh, S. & Masuda, T. Chiral-split magnon in altermagnetic MnTe. Phys. Rev. Lett. 133, 156702 (2024).
Worledge, D. C. et al. STT-MRAM – status and outlook. In 2022 IEEE 33rd Magnetic Recording Conference 1–2 (IEEE, 2022).
Bhatti, S. et al. Spintronics based random access memory: a review. Mater. Today 20, 530–548 (2017).
Prenat, G. et al. Ultra-fast and high-reliability SOT-MRAM: from cache replacement to normally-off computing. IEEE Trans. Multi-Scale Comput. Syst. 2, 49–60 (2016).
Sinova, J., Valenzuela, S. O., Wunderlich, J., Back, C. H. & Jungwirth, T. Spin Hall effects. Rev. Mod. Phys. 87, 1213–1260 (2015).
Landauer, R. Irreversibility and heat generation in the computing process. IBM J. Res. Dev. 5, 183–191 (1961).
Hong, J., Lambson, B., Dhuey, S. & Bokor, J. Experimental test of Landauer’s principle in single-bit operations on nanomagnetic memory bits. Sci. Adv. 2, 1–6 (2016).
Bedau, D. et al. Spin-transfer pulse switching: from the dynamic to the thermally activated regime. Appl. Phys. Lett. 97, 262502 (2010).
Garello, K. et al. Ultrafast magnetization switching by spin-orbit torques. Appl. Phys. Lett. 105, 212402 (2014).
Schlauderer, S. et al. Temporal and spectral fingerprints of ultrafast all-coherent spin switching. Nature 569, 383–387 (2019).
Kimel, A. V., Kalashnikova, A. M., Pogrebna, A. & Zvezdin, A. K. Fundamentals and perspectives of ultrafast photoferroic recording. Phys. Rep. 852, 1–46 (2020).
Wadley, P. et al. Electrical switching of an antiferromagnet. Science 351, 587–590 (2016).
Olejník, K. et al. Antiferromagnetic CuMnAs multi-level memory cell with microelectronic compatibility. Nat. Commun. 8, 15434 (2017).
Olejník, K. et al. Terahertz electrical writing speed in an antiferromagnetic memory. Sci. Adv. 4, eaar3566 (2018).
Heitz, J. et al. Optically gated terahertz-field-driven switching of antiferromagnetic CuMnAs. Phys. Rev. Appl. 16, 064047 (2021).
Kašpar, Z. et al. Quenching of an antiferromagnet into high resistivity states using electrical or ultrashort optical pulses. Nat. Electron. 4, 30–37 (2021).
Godinho, J. et al. Electrically induced and detected Néel vector reversal in a collinear antiferromagnet. Nat. Commun. 9, 4686 (2018).
Jungwirth, T., Marti, X., Wadley, P. & Wunderlich, J. Antiferromagnetic spintronics. Nat. Nanotechnol. 11, 231–241 (2016).
Železný, J., Wadley, P., Olejník, K., Hoffmann, A. & Ohno, H. Spin transport and spin torque in antiferromagnetic devices. Nat. Phys. 14, 220–228 (2018).
Němec, P., Fiebig, M., Kampfrath, T. & Kimel, A. V. Antiferromagnetic opto-spintronics. Nat. Phys. 14, 229–241 (2018).
Tsai, H. et al. Electrical manipulation of a topological antiferromagnetic state. Nature 580, 608–613 (2020).
Takeuchi, Y. et al. Chiral-spin rotation of non-collinear antiferromagnet by spin-orbit torque. Nat. Mater. 20, 1364–1370 (2021).
Pal, B. et al. Setting of the magnetic structure of chiral kagome antiferromagnets by a seeded spin-orbit torque. Sci. Adv. 8, eabo5930 (2022).
Chen, X. et al. Octupole-driven magnetoresistance in an antiferromagnetic tunnel junction. Nature 613, 490–495 (2023).
Qin, P. et al. Room-temperature magnetoresistance in an all-antiferromagnetic tunnel junction. Nature 613, 485–489 (2023).
Shindou, R. & Nagaosa, N. Orbital ferromagnetism and anomalous Hall effect in antiferromagnets on the distorted fcc lattice. Phys. Rev. Lett. 87, 116801 (2001).
Chen, H., Niu, Q. & Macdonald, A. H. Anomalous Hall effect arising from noncollinear antiferromagnetism. Phys. Rev. Lett. 112, 017205 (2014).
Kübler, J. & Felser, C. Non-collinear antiferromagnets and the anomalous Hall effect. EPL 108, 67001 (2014).
Nakatsuji, S., Kiyohara, N. & Higo, T. Large anomalous Hall effect in a non-collinear antiferromagnet at room temperature. Nature 527, 212–215 (2015).
Železný, J., Zhang, Y., Felser, C. & Yan, B. Spin-polarized current in noncollinear antiferromagnets. Phys. Rev. Lett. 119, 187204 (2017).
Kimata, M. et al. Magnetic and magnetic inverse spin Hall effects in a non-collinear antiferromagnet. Nature 565, 627–630 (2019).
Rimmler, B. H., Pal, B. & Parkin, S. S. P. Non-collinear antiferromagnetic spintronics. Nat. Rev. Mater. 10, 109–127 (2024).
Han, J., Yoon, J.-Y., Ohno, H. & Fukami, S. Unconventional responses in non-collinear antiferromagnets. Newton 1, 100012 (2025).
González-Hernández, R. et al. Efficient electrical spin splitter based on nonrelativistic collinear antiferromagnetism. Phys. Rev. Lett. 126, 127701 (2021).
Shao, D.-F., Zhang, S.-H., Li, M., Eom, C.-B. & Tsymbal, E. Y. Spin-neutral currents for spintronics. Nat. Commun. 12, 7061 (2021).
Samanta, K., Shao, D.-F. & Tsymbal, E. Y. Spin filtering with insulating altermagnets. Nano Lett. 25, 3150–3156 (2025).
Vakili, H., Schwartz, E. & Kovalev, A. A. Spin-transfer torque in altermagnets with magnetic textures. Phys. Rev. Lett. 134, 176401 (2025).
Zarzuela, R., Jaeschke-Ubiergo, R., Gomonay, O., Šmejkal, L. & Sinova, J. Transport theory and spin-transfer physics in d-wave altermagnets. Phys. Rev. B 111, 064422 (2025).
Gu, M. et al. Ferroelectric switchable altermagnetism. Phys. Rev. Lett. 134, 106802 (2024).
Šmejkal, L. Altermagnetic multiferroics and altermagnetoelectric effect. Preprint at https://arxiv.org/abs/2411.19928 (2024).
Ramesh, R. & Spaldin, N. A. Multiferroics: progress and prospects in thin films. Nat. Mater. 6, 21–29 (2007).
Jaeschke-Ubiergo, R. et al. Atomic altermagnetism. Preprint at https://arxiv.org/abs/2503.10797 (2025).
Giil, H. G. & Linder, J. Superconductor-altermagnet memory functionality without stray fields. Phys. Rev. B 109, 134511 (2024).
Giil, H. G., Brekke, B., Linder, J. & Brataas, A. Quasiclassical theory of superconducting spin-splitter effects and spin-filtering via altermagnets. Phys. Rev. B 110, L140506 (2024).
Ouassou, J. A., Brataas, A. & Linder, J. dc Josephson effect in altermagnets. Phys. Rev. Lett. 131, 076003 (2023).
Zhang, S.-B., Hu, L.-H. & Neupert, T. Finite-momentum Cooper pairing in proximitized altermagnets. Nat. Commun. 15, 1801 (2024).
Beenakker, C. W. J. & Vakhtel, T. Phase-shifted Andreev levels in an altermagnet Josephson junction. Phys. Rev. B 108, 075425 (2023).
Yang, F. & Chen, L. Q. Altermagnetism-induced noncollinear superconducting diode effect and unidirectional superconducting transport. Phys. Rev. B 112, L220502 (2025).
Sumita, S., Naka, M. & Seo, H. Fulde-Ferrell-Larkin-Ovchinnikov state induced by antiferromagnetic order in k-type organic conductors. Phys. Rev. Res. 5, 043171 (2023).
Chakraborty, D. & Black-Schaffer, A. M. Perfect superconducting diode effect in altermagnets. Phys. Rev. Lett. 135, 026001 (2025).
Sim, G. & Knolle, J. Pair density waves and supercurrent diode effect in altermagnets. Phys. Rev. B 112, L020502 (2025).
Banerjee, S. & Scheurer, M. S. Altermagnetic superconducting diode effect. Phys. Rev. B 110, 024503 (2024).
Dietl, T. & Ohno, H. Dilute ferromagnetic semiconductors: physics and spintronic structures. Rev. Mod. Phys. 86, 187–251 (2014).
Jungwirth, T. et al. Spin-dependent phenomena and device concepts explored in (Ga,Mn)As. Rev. Mod. Phys. 86, 855–896 (2014).
Bose, A. et al. Tilted spin current generated by the collinear antiferromagnet ruthenium dioxide. Nat. Electron. 5, 267–274 (2022).
Bai, H. et al. Observation of spin splitting torque in a collinear antiferromagnet RuO2. Phys. Rev. Lett. 128, 197202 (2022).
Karube, S. et al. Observation of spin-splitter torque in collinear antiferromagnetic RuO2. Phys. Rev. Lett. 129, 137201 (2022).
Feng, Z. et al. An anomalous Hall effect in altermagnetic ruthenium dioxide. Nat. Electron. 5, 735–743 (2022).
Wang, Z. Q. et al. Inverse spin Hall effect dominated spin-charge conversion in (101) and (110)-oriented RuO2 films. Phys. Rev. Lett. 133, 046701 (2024).
Berlijn, T. et al. Itinerant antiferromagnetism in RuO2. Phys. Rev. Lett. 118, 077201 (2017).
Zhu, Z. H. et al. Anomalous antiferromagnetism in metallic RuO2 determined by resonant X-ray scattering. Phys. Rev. Lett. 122, 017202 (2019).
Lovesey, S. W., Khalyavin, D. D. & van der Laan, G. Magnetic structure of RuO2 in view of altermagnetism. Phys. Rev. B 108, L121103 (2023).
Liu, Y. et al. Inverse altermagnetic spin splitting effect-induced terahertz emission in RuO2. Adv. Opt. Mater. 11, 1–7 (2023).
Fedchenko, O. et al. Observation of time-reversal symmetry breaking in the band structure of altermagnetic RuO2. Sci. Adv. 10, 31 (2024).
Smolyanyuk, A., Mazin, I. I., Garcia-Gassull, L. & Valentí, R. Fragility of the magnetic order in the prototypical altermagnet RuO2. Phys. Rev. B 109, 134424 (2024).
Keßler, P. et al. Absence of magnetic order in RuO2: insights from μSR spectroscopy and neutron diffraction. npj Spintron. 2, 50 (2024).
Fan, Y. et al. Robust magnetic-field-free perpendicular magnetization switching by manipulating spin polarization direction in RuO2/[Pt/Co/Pt] heterojunctions. ACS Nano 18, 26350–26358 (2024).
Wenzel, M. et al. Fermi-liquid behavior of nonaltermagnetic RuO2. Phys. Rev. B 111, L041115 (2025).
Jeong, S. G. et al. Metallicity and anomalous Hall effect in epitaxially strained, atomically thin RuO2 films. Proc. Natl Acad. Sci. USA 122, 1–23 (2025).
Hiraishi, M. et al. Nonmagnetic ground state in RuO2 revealed by muon spin rotation. Phys. Rev. Lett. 132, 166702 (2024).
Noh, S. et al. Tunneling magnetoresistance in altermagnetic RuO2-based magnetic tunnel junctions. Phys. Rev. Lett. 134, 246703 (2025).
Reichlova, H. et al. Observation of a spontaneous anomalous Hall response in the Mn5Si3 d-wave altermagnet candidate. Nat. Commun. 15, 4961 (2024).
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 (2023).
Kluczyk, K. P. et al. Coexistence of anomalous Hall effect and weak magnetization in a nominally collinear antiferromagnet MnTe. Phys. Rev. B 110, 155201 (2024).
Ray, M. K. et al. Zero-field Hall effect emerging from a non-Fermi liquid in a collinear antiferromagnet V1/3NbS2. Nat. Commun. 16, 3532 (2025).
Takagi, R. et al. Spontaneous Hall effect induced by collinear antiferromagnetic order at room temperature. Nat. Mater. 24, 63–68 (2025).
Hariki, A. et al. X-ray magnetic circular dichroism in altermagnetic α-MnTe. Phys. Rev. Lett. 132, 176701 (2024).
Amin, O. J. et al. Nanoscale imaging and control of altermagnetism in MnTe. Nature 636, 348–353 (2024).