Observation of anti-damping spin–orbit torques generated by in-plane and out-of-plane spin polarizations in MnPd3

Mahendra Dc*, Ding Fu Shao, Vincent D.H. Hou, Arturas Vailionis, P. Quarterman, Ali Habiboglu, M. B. Venuti, Fen Xue, Yen Lin Huang, Chien Min Lee, Masashi Miura, Brian Kirby, Chong Bi, Xiang Li, Yong Deng, Shy Jay Lin, Wilman Tsai, Serena Eley, Wei Gang Wang, Julie A. BorchersEvgeny Y. Tsymbal, Shan X. Wang*

*此作品的通信作者

研究成果: Article同行評審

15 引文 斯高帕斯(Scopus)

摘要

Large spin–orbit torques (SOTs) generated by topological materials and heavy metals interfaced with ferromagnets are promising for next-generation magnetic memory and logic devices. SOTs generated from y spin originating from spin Hall and Edelstein effects can realize field-free magnetization switching only when the magnetization and spin are collinear. Here we circumvent the above limitation by utilizing unconventional spins generated in a MnPd3 thin film grown on an oxidized silicon substrate. We observe conventional SOT due to y spin, and out-of-plane and in-plane anti-damping-like torques originated from z spin and x spin, respectively, in MnPd3/CoFeB heterostructures. Notably, we have demonstrated complete field-free switching of perpendicular cobalt via out-of-plane anti-damping-like SOT. Density functional theory calculations show that the observed unconventional torques are due to the low symmetry of the (114)-oriented MnPd3 films. Altogether our results provide a path toward realization of a practical spin channel in ultrafast magnetic memory and logic devices.

原文English
頁(從 - 到)591-598
頁數8
期刊Nature Materials
22
發行號5
DOIs
出版狀態Published - 5月 2023

指紋

深入研究「Observation of anti-damping spin–orbit torques generated by in-plane and out-of-plane spin polarizations in MnPd3」主題。共同形成了獨特的指紋。

引用此