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However, conventional SOT materials, such as heavy metals and topological insulators, are limited by high crystal symmetry to generating and injecting only in\u2010plane spins into the ferromagnet. Low\u2010symmetry materials and symmetry\u2010breaking strategies have been employed to generate unconventional spin currents with out\u2010of\u2010plane spin polarization, enabling field\u2010free deterministic switching of perpendicular magnetization. Despite this progress, the SOT efficiency of these materials has typically remained low. Here, a large SOT efficiency of 0.3 in the bulk Ni<jats:sub>4<\/jats:sub>W at room temperature is reported, as evaluated by second harmonic Hall measurements. In addition, due to the low crystal symmetry of Ni<jats:sub>4<\/jats:sub>W, unconventional SOT from the out\u2010of\u2010plane and Dresselhaus\u2010like spin components are observed. Notably, a large SOT efficiency of 0.73 is observed in W\/Ni<jats:sub>4<\/jats:sub>W (5\u00a0nm), potentially resulting from additional interfacial contributions or extrinsic effects. Furthermore, field\u2010free switching of perpendicular magnetization has been achieved using the multi\u2010directional SOT of Ni<jats:sub>4<\/jats:sub>W, highlighting its potential as a low\u2010symmetry SOT material for energy\u2010efficient spintronic devices.<\/jats:p>","DOI":"10.1002\/adma.202416763","type":"journal-article","created":{"date-parts":[[2025,5,15]],"date-time":"2025-05-15T04:42:47Z","timestamp":1747284167000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Large Spin\u2010Orbit Torque with Multi\u2010Directional Spin Components in Ni<sub>4<\/sub>W"],"prefix":"10.1002","volume":"37","author":[{"given":"Yifei","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Electrical and Computer Engineering University of Minnesota  Minneapolis MN 55455 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