Antiferromagnetic half-skyrmions and bimerons at room temperature.


Journal

Nature
ISSN: 1476-4687
Titre abrégé: Nature
Pays: England
ID NLM: 0410462

Informations de publication

Date de publication:
02 2021
Historique:
received: 22 06 2020
accepted: 16 11 2020
entrez: 4 2 2021
pubmed: 5 2 2021
medline: 5 2 2021
Statut: ppublish

Résumé

In the quest for post-CMOS (complementary metal-oxide-semiconductor) technologies, driven by the need for improved efficiency and performance, topologically protected ferromagnetic 'whirls' such as skyrmions

Identifiants

pubmed: 33536652
doi: 10.1038/s41586-021-03219-6
pii: 10.1038/s41586-021-03219-6
doi:

Types de publication

Journal Article Research Support, U.S. Gov't, Non-P.H.S. Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

74-79

Références

Back, C. et al. The 2020 skyrmionics roadmap. J. Phys. D 53, 363001 (2020).
doi: 10.1088/1361-6463/ab8418
Kurumaji, T. et al. Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet. Science 365, 914–918 (2019).
pubmed: 31395744 doi: 10.1126/science.aau0968
Woo, S. et al. Observation of room-temperature magnetic skyrmions and their current-driven dynamics in ultrathin metallic ferromagnets. Nat. Mater. 15, 501–506 (2016).
pubmed: 26928640 doi: 10.1038/nmat4593
Boulle, O. et al. Room-temperature chiral magnetic skyrmions in ultrathin magnetic nanostructures. Nat. Nanotechnol. 11, 449–454 (2016); corrigendum 12, 830 (2017).
pubmed: 26809057 doi: 10.1038/nnano.2015.315
Moreau-Luchaire, C. et al. Additive interfacial chiral interaction in multilayers for stabilization of small individual skyrmions at room temperature. Nat. Nanotechnol. 11, 444–448 (2016); erratum 11, 731 (2016).
Soumyanarayanan, A. et al. Tunable room-temperature magnetic skyrmions in Ir/Fe/Co/Pt multilayers. Nat. Mater. 16, 898–904 (2017).
pubmed: 28714983 doi: 10.1038/nmat4934
Nayak, A. K. et al. Magnetic antiskyrmions above room temperature in tetragonal heusler materials. Nature 548, 561–566 (2017).
pubmed: 28846999 doi: 10.1038/nature23466
Yu, X. Z. et al. Transformation between meron and skyrmion topological spin textures in a chiral magnet. Nature 564, 95–98 (2018).
pubmed: 30518889 doi: 10.1038/s41586-018-0745-3
Büttner, F., Lemesh, I. & Beach, G. S. D. Theory of isolated magnetic skyrmions: from fundamentals to room temperature applications. Sci. Rep. 8, 4464 (2018).
pubmed: 29535320 pmcid: 5849609 doi: 10.1038/s41598-018-22242-8
Zhang, X. et al. Skyrmion-electronics: writing, deleting, reading and processing magnetic skyrmions toward spintronic applications. J. Phys. Condens. Matter 32, 143001 (2020).
pubmed: 31689688 doi: 10.1088/1361-648X/ab5488
Grollier, J. et al. Neuromorphic spintronics. Nat. Electron. 3, 360–370 (2020).
doi: 10.1038/s41928-019-0360-9
Litzius, K. et al. Skyrmion Hall effect revealed by direct time-resolved X-ray microscopy. Nat. Phys. 13, 170–175 (2017).
doi: 10.1038/nphys4000
Barker, J. & Tretiakov, O. A. Static and dynamical properties of antiferromagnetic skyrmions in the presence of applied current and temperature. Phys. Rev. Lett. 116, 147203 (2016).
pubmed: 27104724 doi: 10.1103/PhysRevLett.116.147203
Zhang, X., Zhou, Y. & Ezawa, M. Magnetic bilayer-skyrmions without skyrmion Hall effect. Nat. Commun. 7, 10293 (2016).
pubmed: 26782905 pmcid: 4735649 doi: 10.1038/ncomms10293
Baltz, V. et al. Antiferromagnetic spintronics. Rev. Mod. Phys. 90, 015005 (2018).
doi: 10.1103/RevModPhys.90.015005
Shen, L. et al. Current-induced dynamics and chaos of antiferromagnetic bimerons. Phys. Rev. Lett. 124, 037202 (2020).
pubmed: 32031830 doi: 10.1103/PhysRevLett.124.037202
Caretta, L. et al. Fast current-driven domain walls and small skyrmions in a compensated ferrimagnet. Nat. Nanotechnol. 13, 1154–1160 (2018).
pubmed: 30224795 doi: 10.1038/s41565-018-0255-3
Dohi, T., DuttaGupta, S., Fukami, S. & Ohno, H. Formation and current-induced motion of synthetic antiferromagnetic skyrmion bubbles. Nat. Commun. 10, 5153 (2019).
pubmed: 31727895 pmcid: 6856122 doi: 10.1038/s41467-019-13182-6
Legrand, W. et al. Room-temperature stabilization of antiferromagnetic skyrmions in synthetic antiferromagnets. Nat. Mater. 19, 34–42 (2020).
pubmed: 31477905 doi: 10.1038/s41563-019-0468-3
Kibble, T. W. B. Topology of cosmic domains and strings. J. Phys. Math. Gen. 9, 1387–1398 (1976).
doi: 10.1088/0305-4470/9/8/029
Zurek, W. H. Cosmological experiments in superfluid helium? Nature 317, 505–508 (1985).
doi: 10.1038/317505a0
Göbel, B., Mook, A., Henk, J., Mertig, I. & Tretiakov, O. A. Magnetic bimerons as skyrmion analogues in in-plane magnets. Phys. Rev. B 99, 060407 (2019).
doi: 10.1103/PhysRevB.99.060407
Liang, X. et al. Antiferromagnetic skyrmion-based logic gates controlled by electric currents and fields. Preprint at https://arxiv.org/abs/1909.10709 (2019).
Kampfrath, T. et al. Coherent terahertz control of antiferromagnetic spin waves. Nat. Photon. 5, 31–34 (2011).
doi: 10.1038/nphoton.2010.259
Galkina, E. G., Galkin, A. Y., Ivanov, B. A. & Nori, F. Magnetic vortex as a ground state for micron-scale antiferromagnetic samples. Phys. Rev. B 81, 184413 (2010).
doi: 10.1103/PhysRevB.81.184413
Lebrun, R. et al. Tunable long-distance spin transport in a crystalline antiferromagnetic iron oxide. Nature 561, 222–225 (2018).
pubmed: 30209370 pmcid: 6485392 doi: 10.1038/s41586-018-0490-7
Wang, Y. et al. Magnetization switching by magnon-mediated spin torque through an antiferromagnetic insulator. Science 366, 1125–1128 (2019).
pubmed: 31780558 doi: 10.1126/science.aav8076
Chmiel, F. P. et al. Observation of magnetic vortex pairs at room temperature in a planar α-Fe
pubmed: 29915425 doi: 10.1038/s41563-018-0101-x
Besser, P. J., Morrish, A. H. & Searle, C. W. Magnetocrystalline anisotropy of pure and doped hematite. Phys. Rev. 153, 632–640 (1967).
doi: 10.1103/PhysRev.153.632
Coey, J. M. D. & Sawatzky, G. A. A study of hyperfine interactions in the system (Fe
doi: 10.1088/0022-3719/4/15/025
Arenholz, E., van der Laan, G., Chopdekar, R. V. & Suzuki, Y. Anisotropic X-ray magnetic linear dichroism at the Fe L
doi: 10.1103/PhysRevB.74.094407
Luo, Z. et al. Current-driven magnetic domain-wall logic. Nature 579, 214–218 (2020).
pubmed: 32161383 doi: 10.1038/s41586-020-2061-y
Shiino, T. et al. Antiferromagnetic domain wall motion driven by spin-orbit torques. Phys. Rev. Lett. 117, 087203 (2016).
pubmed: 27588878 pmcid: 5101838 doi: 10.1103/PhysRevLett.117.087203
Kharkov, Y. A., Sushkov, O. A. & Mostovoy, M. Bound states of skyrmions and merons near the Lifshitz point. Phys. Rev. Lett. 119, 207201 (2017).
pubmed: 29219354 doi: 10.1103/PhysRevLett.119.207201
Leonov, A. O. & Kézsmárki, I. Asymmetric isolated skyrmions in polar magnets with easy-plane anisotropy. Phys. Rev. B 96, 014423 (2017).
doi: 10.1103/PhysRevB.96.014423
Bessarab, P. F. et al. Stability and lifetime of antiferromagnetic skyrmions. Phys. Rev. B 99, 140411 (2019).
doi: 10.1103/PhysRevB.99.140411
Zhang, P., Finley, J., Safi, T. & Liu, L. Quantitative study on current-induced effect in an antiferromagnet insulator/Pt bilayer film. Phys. Rev. Lett. 123, 247206 (2019).
pubmed: 31922833 doi: 10.1103/PhysRevLett.123.247206
Cheng, Y., Yu, S., Zhu, M., Hwang, J. & Yang, F. Electrical switching of tristate antiferromagnetic Néel order in α-Fe
pubmed: 32004028 doi: 10.1103/PhysRevLett.124.027202
Kimel, A. V., Kirilyuk, A., Tsvetkov, A., Pisarev, R. V. & Rasing, T. Laser-induced ultrafast spin reorientation in the antiferromagnet TmFeO
pubmed: 15215858 doi: 10.1038/nature02659
Khoshlahni, R., Qaiumzadeh, A., Bergman, A. & Brataas, A. Ultrafast generation and dynamics of isolated skyrmions in antiferromagnetic insulators. Phys. Rev. B 99, 054423 (2019).
doi: 10.1103/PhysRevB.99.054423
Park, S. et al. Strain control of Morin temperature in epitaxial α-Fe
doi: 10.1209/0295-5075/103/27007
Kuiper, P., Searle, B. G., Rudolf, P., Tjeng, L. H. & Chen, C. T. X-ray magnetic dichroism of antiferromagnet Fe
pubmed: 10053320 doi: 10.1103/PhysRevLett.70.1549
Lüning, J. et al. Determination of the antiferromagnetic spin axis in epitaxial LaFeO
doi: 10.1103/PhysRevB.67.214433
Stöhr, J. et al. Images of the antiferromagnetic structure of a NiO(100) surface by means of X-ray magnetic linear dichroism spectromicroscopy. Phys. Rev. Lett. 83, 1862–1865 (1999).
doi: 10.1103/PhysRevLett.83.1862
Stöhr, J., Padmore, H. A., Anders, S., Stammler, T. & Scheinfein, M. R. Principles of X-ray magnetic dichroism spectromicroscopy. Surf. Rev. Lett. 05, 1297–1308 (1998).
doi: 10.1142/S0218625X98001638
van der Laan, G., Telling, N. D., Potenza, A., Dhesi, S. S. & Arenholz, E. Anisotropic X-ray magnetic linear dichroism and spectromicroscopy of interfacial Co/NiO(001). Phys. Rev. B 83, 064409 (2011).
doi: 10.1103/PhysRevB.83.064409
Waterfield Price, N. et al. Coherent magnetoelastic domains in multiferroic BiFeO
pubmed: 27824475 doi: 10.1103/PhysRevLett.117.177601
Li, X. et al. Bimeron clusters in chiral antiferromagnets. npj Comp. Mater. 6, 169 (2020).
doi: 10.1038/s41524-020-00435-y
Radaelli, P., Radaelli, J., Waterfield-Price, N. & Johnson, R. Micromagnetic modelling and imaging of vortex|merons structures in an oxide|metal heterostructure. Phys. Rev. B 101, 144420 (2020).
doi: 10.1103/PhysRevB.101.144420
Hanneken, C., Kubetzka, A., von Bergmann, K. & Wiesendanger, R. Pinning and movement of individual nanoscale magnetic skyrmions via defects. New J. Phys. 18, 055009 (2016).
doi: 10.1088/1367-2630/18/5/055009
Juge, R. et al. Current-driven skyrmion dynamics and drive-dependent skyrmion Hall effect in an ultrathin film. Phys. Rev. Appl. 12, 044007 (2019).
doi: 10.1103/PhysRevApplied.12.044007
Juge, R. et al. Magnetic skyrmions in confined geometries: effect of the magnetic field and the disorder. J. Magn. Magn. Mater. 455, 3–8 (2018).
doi: 10.1016/j.jmmm.2017.10.030
Zeissler, K. et al. Diameter-independent skyrmion Hall angle observed in chiral magnetic multilayers. Nat. Commun. 11, 428 (2020).
pubmed: 31969569 pmcid: 6976618 doi: 10.1038/s41467-019-14232-9

Auteurs

Hariom Jani (H)

Department of Physics, National University of Singapore, Singapore, Singapore. hariom.k.jani@u.nus.edu.

Jheng-Cyuan Lin (JC)

Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK.

Jiahao Chen (J)

Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK.

Jack Harrison (J)

Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK.

Francesco Maccherozzi (F)

Diamond Light Source, Harwell Science and Innovation Campus, Didcot, UK.

Jonathon Schad (J)

Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI, USA.

Saurav Prakash (S)

Department of Physics, National University of Singapore, Singapore, Singapore.

Chang-Beom Eom (CB)

Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI, USA.

A Ariando (A)

Department of Physics, National University of Singapore, Singapore, Singapore.
NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore, Singapore.

T Venkatesan (T)

Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore. venky@nus.edu.sg.

Paolo G Radaelli (PG)

Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK. paolo.radaelli@physics.ox.ac.uk.

Classifications MeSH