TY - JOUR
T1 - Mechanism of neél order switching in antiferromagnetic thin films revealed by magnetotransport and direct imaging
AU - Baldrati, L.
AU - Gomonay, O.
AU - Ross, A.
AU - Filianina, M.
AU - Lebrun, R.
AU - Ramos, R.
AU - Leveille, C.
AU - Fuhrmann, F.
AU - Forrest, T. R.
AU - MacCherozzi, F.
AU - Valencia, S.
AU - Kronast, F.
AU - Saitoh, E.
AU - Sinova, J.
AU - Klaüi, M.
N1 - Funding Information:
The authors thank J. Cramer, M. Asa, J. Henrizi, A. Dion, and T. Reimer for skillful technical assistance. We acknowledge useful scientific discussion with M. Jourdan. O. G. and J. S. acknowledge the support from the Humboldt Foundation, the ERC Synergy Grant SC2 (No. 610115), the EU FET Open RIA Grant no. 766566, the DFG (project SHARP 397322108), from the Ministry of Education of the Czech Republic Grant No. LM2015087 and LNSM-LNSpin. L. B., R. L., A. R., M. F., and M. K. acknowledge support from the Graduate School of Excellence Materials Science in Mainz (MAINZ) GSC 266, the DAAD (Spintronics network, Project No. 57334897) and all groups from Mainz acknowledge SFB TRR 173 Spin+X, in particular projects A01 and A03. L.B and R. L. acknowledge the European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreements ARTES No. 793159 and FAST No. 752195. We acknowledge Diamond Light Source for time on beam line I06 under proposals SI18850 and SI20698. We thank H. Z. B. for the allocation of synchrotron radiation beamtime. The research leading to this result has been supported by the project CALIPSOplus under the Grant Agreement 730872 from the EU Framework Programme for Research and Innovation HORIZON 2020. This work was also supported by ERATO “Spin Quantum Rectification Project” (Grant No. JPMJER1402) from Japan Science and Technology Agency (JST) and the Grant-in-Aid for Scientific Research on Innovative Area, “Nano Spin Conversion Science” (Grant No. JP26103005) from JSPS KAKENHI, Japan.
Publisher Copyright:
© 2019 American Physical Society.
PY - 2019/10/24
Y1 - 2019/10/24
N2 - We probe the current-induced magnetic switching of insulating antiferromagnet-heavy-metal systems, by electrical spin Hall magnetoresistance measurements and direct imaging, identifying a reversal occurring by domain wall (DW) motion. We observe switching of more than one-third of the antiferromagnetic domains by the application of current pulses. Our data reveal two different magnetic switching mechanisms leading together to an efficient switching, namely, the spin-current induced effective magnetic anisotropy variation and the action of the spin torque on the DWs.
AB - We probe the current-induced magnetic switching of insulating antiferromagnet-heavy-metal systems, by electrical spin Hall magnetoresistance measurements and direct imaging, identifying a reversal occurring by domain wall (DW) motion. We observe switching of more than one-third of the antiferromagnetic domains by the application of current pulses. Our data reveal two different magnetic switching mechanisms leading together to an efficient switching, namely, the spin-current induced effective magnetic anisotropy variation and the action of the spin torque on the DWs.
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U2 - 10.1103/PhysRevLett.123.177201
DO - 10.1103/PhysRevLett.123.177201
M3 - Article
C2 - 31702247
AN - SCOPUS:85074448235
VL - 123
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 17
M1 - 177201
ER -