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Related papers: Efficient spin-pumping and spin-to-charge conversi…

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We report the growth of MgO[001]//Fe(6 nm)/MgO(7 nm) and MgO[001]//Fe(6 nm)/Pt(6 nm) by molecular beam epitaxy and show that the full characterization by spin-orbit ferromagnetic resonance (SO-FMR) allows the determination of magnetic…

Materials Science · Physics 2019-01-30 C. Guillemard , S. Petit-Watelot , S. Andrieu , J. -C. Rojas-Sánchez

Non-collinear antiferromagnetic Weyl semimetals, combining the advantages of a zero stray field and ultrafast spin dynamics as well as a large anomalous Hall effect and the chiral anomaly of Weyl fermions, have attracted extensive…

Mesoscale and Nanoscale Physics · Physics 2022-08-15 Yongcheng Deng , Xionghua Liu , Yiyuan Chen , Zongzheng Du , Nai Jiang , Chao Shen , Enze Zhang , Houzhi Zheng , Hai-Zhou Lu , Kaiyou Wang

$\text{RuO}_2$, a transition metal oxide, is attracting attention in spintronics for its unique altermagnetic properties, which influence spin currents. Its ability to produce large spin-orbit torques and spin Hall effects is key for…

Materials Science · Physics 2024-08-20 Abhisek Mishra , Kshitij Singh Rathore , Swayang Priya Mahanta , Subhankar Bedanta

Spintronics, which is the basis of a low-power, beyond-CMOS technology for computational and memory devices, remains up to now entirely based on critical materials such as Co, heavy metals and rare-earths. Here, we show that Mn4N, a…

Materials Science · Physics 2019-03-05 T. Gushi , M. Jovičević Klug , J. Peña Garcia , H. Okuno , J. Vogel , J. P. Attané , T. Suemasu , S. Pizzini , L. Vila

Kagome-lattice materials offer novel playgrounds of exploring topologically nontrivial states of electrons under influence of many-body interactions. A noncollinear kagome antiferromagnet Mn$_3$Sn has attracted particular interest for…

The interplay between real and reciprocal space topology yields intrinsically linked transport phenomena in magnetic Weyl systems, wherein the broken time-reversal symmetry, strong Dzyaloshinskii-Moriya interaction, and pronounced uniaxial…

The low power manipulation of magnetization is currently a highly sought-after objective in spintronics. Non ferromagnetic large spin-orbit coupling heavy metal (NM) / ferromagnet (FM) heterostructures offer interesting elements of response…

The present study focuses on experimental investigations of spin current across the interface of an iridate/manganite heterostructure (SrIrO3/La0.7Sr0.3MnO3) consisting of oxide epitaxial films with nanometer thickness. Pure spin current is…

There has been considerable interest in spin-orbit torques for the purpose of manipulating the magnetization of ferromagnetic (FM) films or nano-elements for spintronic technologies. Spin-orbit torques are derived from spin currents created…

Materials Science · Physics 2016-02-02 Weifeng Zhang , Wei Han , See-hun Yang , Yan Sun , Yang Zhang , Binghai Yan , Stuart S. P. Parkin

Topological chiral antiferromagnets, such as Mn$_{3}$Sn, are emerging as promising materials for next-generation spintronic devices due to their intrinsic transport properties linked to exotic magnetic configurations. Here, we demonstrate…

The generation of spin currents and their application to the manipulation of magnetic states is fundamental to spintronics. Of particular interest are chiral antiferromagnets that exhibit properties typical of ferromagnetic materials even…

Magnetic Weyl semimetals are an emerging material class that combines magnetic order and a topologically non-trivial band structure. Here, we study ultrafast optically driven spin injection from thin films of the magnetic Weyl semimetals…

The Weyl antiferromagnet Mn$_3$Sn has recently attracted significant attention as it exhibits various useful functions such as large anomalous Hall effect that are normally absent in antiferromagnets. Here we report the thin film…

Materials Science · Physics 2019-01-04 Tomoya Higo , Danru Qu , Yufan Li , C. L. Chien , Yoshichika Otani , Satoru Nakatsuji

Recently orbital Hall current has attracted attention as an alternative method to switch the magnetization of ferromagnets. Here we present our findings on electrical switching of antiferromagnetic state in Mn3Sn/Cr, where despite the much…

Materials Science · Physics 2023-10-20 Hang Xie , Nan Zhang , Yuteng Ma , Xin Chen , Lin Ke , Yihong Wu

We report a study of the spin-to-charge current conversion in compressively strained Ge1-xSnx alloy epilayers as a function of the Sn concentration by means of the inverse spin Hall effect (ISHE). The spin current is generated by…

Topological materials with large spin-orbit coupling and immunity to disorder-induced symmetry breaking show great promise for efficiently converting charge to spin. Here, we report that long-range disordered sputtered WTex thin films…

Mesoscale and Nanoscale Physics · Physics 2021-04-21 Xiang Li , Peng Li , Vincent D. -H. Hou , Mahendra DC , Chih-Hung Nien , Fen Xue , Di Yi , Chong Bi , Chien-Min Lee , Shy-Jay Lin , Wilman Tsai , Yuri Suzuki , Shan X. Wang

Topological magnetic semimetals promise large Berry curvature through the distribution of the topological Weyl nodes or nodal lines and further novel physics with exotic transport phenomena. We present a systematic study of the structural…

The topological semimetal FeSn antiferromagnet, characterized by its kagome lattice, two-dimensional flat bands, and Dirac-like surface states, holds immense promise for spintronic applications. In this work, for the first time, we…

Achieving atomically flat and stoichiometric films of chiral antiferromagnets (AFM) with two-dimensional kagome spin lattice structures are crucial for integrating these materials in both established and emerging antiferromagnetic…

Materials Science · Physics 2025-03-11 Indraneel Sinha , Saurav Sachin , Shreyashi Sinha , Roumita Roy , Sudipta Kanungo , Sujit Manna

Mn$_3$Sn has garnered significant attention due to its kagome lattice, 120$^\circ$ noncollinear antiferromagnetic order, and substantial anomalous Hall effect. In this study, we comprehensively explore intrinsic and extrinsic contributions…

Materials Science · Physics 2025-02-25 Xiuxian Yang , Wanxiang Feng , Xiaodong Zhou , Yuriy Mokrousov , Yugui Yao