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However, its distinct role in synthetic ferrimagnets (SFi) remains unexplored, where the conjunction of asymmetric magnetic moments and antisymmetric nature of IL\u2010DMI leads to more diverse spin configurations and applications. Here, we reveal the unidirectional and chiral nature of IL\u2010DMI in SFi, further unlocking application directions of IL\u2010DMI in neuromorphic computing. Particularly, the IL\u2010DMI\u2010induced effective field increases approximately twentyfold while interacting with two asymmetric antiparallel\u2010aligned moments, greatly facilitating future IL\u2010DMI detection. Unlike previous digital\u2010like switching, we find that the interplay of IL\u2010DMI, SOT, and thermal effect gives rise to an analog\u2010like switching behavior. Leveraging this, we develop an SOT\u2010based non\u2010probabilistic leaky\u2010integrate\u2010fire neuron device utilizing the micromagnetic analog\u2010like switching model. Compared to probabilistic neurons, this provides a hardware support Spiking neural network, interlayer Dzyaloshinskii\u2013Moriya interaction, spin\u2010orbit torque, synthetic ferrimagnetsfor ultralow power, high\u2010sparsity, and high\u2010accuracy spiking neural networks.<\/jats:p>","DOI":"10.1002\/advs.202519110","type":"journal-article","created":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T05:21:31Z","timestamp":1767590491000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Interlayer Dzyaloshinskii\u2013Moriya Interaction in Synthetic Ferrimagnets for Spiking Neural Networks"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9482-3045","authenticated-orcid":false,"given":"Shen","family":"Li","sequence":"first","affiliation":[{"name":"State Key Laboratory of Spintronics Hangzhou International Innovation Institute Beihang University  Hangzhou China"},{"name":"Department of Applied Physics Eindhoven University of Technology  Eindhoven The Netherlands"},{"name":"Fert Beijing Institute MIIT Key Laboratory of Spintronics School of Integrated Circuit Science and Engineering Beihang University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xing","family":"Chen","sequence":"additional","affiliation":[{"name":"Laboratoire Albert Fert CNRS Thales Universit\u00e9 Paris\u2010Saclay  Palaiseau France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mouad","family":"Fattouhi","sequence":"additional","affiliation":[{"name":"Department of Applied Physics Universidad De Salamanca  Salamanca Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianxun","family":"Huang","sequence":"additional","affiliation":[{"name":"Institut Jean Lamour UMR CNRS 7198 Universit\u00e9 De Lorraine  Nancy France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chen","family":"Lv","sequence":"additional","affiliation":[{"name":"Fert Beijing Institute MIIT Key Laboratory of Spintronics School of Integrated Circuit Science and Engineering Beihang University  Beijing China"},{"name":"Institut Jean Lamour UMR CNRS 7198 Universit\u00e9 De Lorraine  Nancy France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mark C. H.","family":"de Jong","sequence":"additional","affiliation":[{"name":"Department of Applied Physics Eindhoven University of Technology  Eindhoven The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pingzhi","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Applied Physics Eindhoven University of Technology  Eindhoven The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daoqian","family":"Zhu","sequence":"additional","affiliation":[{"name":"Fert Beijing Institute MIIT Key Laboratory of Spintronics School of Integrated Circuit Science and Engineering Beihang University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2062-0050","authenticated-orcid":false,"given":"Xiaoyang","family":"Lin","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Spintronics Hangzhou International Innovation Institute Beihang University  Hangzhou China"},{"name":"Fert Beijing Institute MIIT Key Laboratory of Spintronics School of Integrated Circuit Science and Engineering Beihang University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Felipe","family":"Garcia\u2010Sanchez","sequence":"additional","affiliation":[{"name":"Department of Applied Physics Universidad De Salamanca  Salamanca Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eduardo","family":"Martinez","sequence":"additional","affiliation":[{"name":"Department of Applied Physics Universidad De Salamanca  Salamanca Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"St\u00e9phane","family":"Mangin","sequence":"additional","affiliation":[{"name":"Institut Jean Lamour UMR CNRS 7198 Universit\u00e9 De Lorraine  Nancy France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bert","family":"Koopmans","sequence":"additional","affiliation":[{"name":"Department of Applied Physics Eindhoven University of Technology  Eindhoven The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weisheng","family":"Zhao","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Spintronics Hangzhou International Innovation Institute Beihang University  Hangzhou China"},{"name":"Fert Beijing Institute MIIT Key Laboratory of Spintronics School of Integrated Circuit Science and Engineering Beihang University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reinoud","family":"Lavrijsen","sequence":"additional","affiliation":[{"name":"Department of Applied Physics Eindhoven University of Technology  Eindhoven The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,1,4]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1063\/5.0153349"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41567\u2010018\u20100050\u2010y"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/nnano.2016.84"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/nnano.2014.324"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.3314282"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1039\/D0NA00009D"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRev.96.99"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRev.106.893"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1143\/PTP.16.45"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1109\/JPROC.2003.811807"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41928\u2010018\u20100160\u20107"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.122.257202"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41563\u2010019\u20100370\u2010z"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41563\u2010019\u20100386\u20104"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.xcrp.2023.101334"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.nanolett.1c04786"},{"key":"e_1_2_10_18_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467\u2010021\u201021846\u20105"},{"key":"e_1_2_10_19_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature11733"},{"key":"e_1_2_10_20_1","doi-asserted-by":"publisher","DOI":"10.1063\/5.0158119"},{"key":"e_1_2_10_21_1","article-title":"Preservation of Scalar Spin Chirality Across a Metallic Spacer in Synthetic Antiferromagnets with Chiral Interlayer Interactions","author":"Sandoval M. 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