| Home > Publications database > Long-range chiral exchange interaction in synthetic antiferromagnets > print |
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| 024 | 7 | _ | |a 10.1038/s41563-019-0370-z |2 doi |
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| 100 | 1 | _ | |a Han, Dong-Soo |0 P:(DE-Juel1)173892 |b 0 |
| 245 | _ | _ | |a Long-range chiral exchange interaction in synthetic antiferromagnets |
| 260 | _ | _ | |a Basingstoke |c 2019 |b Nature Publishing Group |
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| 520 | _ | _ | |a The exchange interaction governs static and dynamic magnetism. This fundamental interaction comes in two flavours—symmetric and antisymmetric. The symmetric interaction leads to ferro- and antiferromagnetism, and the antisymmetric interaction has attracted significant interest owing to its major role in promoting topologically non-trivial spin textures that promise fast, energy-efficient devices. So far, the antisymmetric exchange interaction has been found to be rather short ranged and limited to a single magnetic layer. Here we report a long-range antisymmetric interlayer exchange interaction in perpendicularly magnetized synthetic antiferromagnets with parallel and antiparallel magnetization alignments. Asymmetric hysteresis loops under an in-plane field reveal a unidirectional and chiral nature of this interaction, which results in canted magnetic structures. We explain our results by considering spin–orbit coupling combined with reduced symmetry in multilayers. Our discovery of a long-range chiral interaction provides an additional handle to engineer magnetic structures and could enable three-dimensional topological structures. |
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| 700 | 1 | _ | |a Hanke, Jan-Philipp |0 P:(DE-Juel1)161179 |b 2 |
| 700 | 1 | _ | |a Mokrousov, Yuriy |0 P:(DE-Juel1)130848 |b 3 |
| 700 | 1 | _ | |a Kim, Kyoung-Whan |0 0000-0002-1382-7088 |b 4 |
| 700 | 1 | _ | |a Yoo, Woosuk |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a van Hees, Youri L. W. |0 P:(DE-HGF)0 |b 6 |
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| 700 | 1 | _ | |a Lavrijsen, Reinoud |0 P:(DE-HGF)0 |b 8 |
| 700 | 1 | _ | |a You, Chun-Yeol |0 0000-0001-9549-8611 |b 9 |
| 700 | 1 | _ | |a Swagten, Henk J. M. |0 P:(DE-HGF)0 |b 10 |
| 700 | 1 | _ | |a Jung, Myung-Hwa |0 0000-0003-3122-8078 |b 11 |e Corresponding author |
| 700 | 1 | _ | |a Kläui, Mathias |0 0000-0002-4848-2569 |b 12 |e Corresponding author |
| 773 | _ | _ | |a 10.1038/s41563-019-0370-z |0 PERI:(DE-600)2088679-2 |p 703–708 |t Nature materials |v 18 |y 2019 |x 1476-4660 |
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