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相关论文: Large Spin Hall Effect in High-Entropy Alloy/CoFeB…

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The anomalous Hall effect (AHE), typically observed in ferromagnetic (FM) metals with broken time-reversal symmetry, depends on electronic and magnetic properties. In Co$_{3}$Sn$_{2-x}$In$_{x}$S$_{2}$, a giant AHE has been attributed to…

Spin-1 chiral semimetal is a new state of quantum matter hosting unconventional chiral fermions that extend beyond the common Dirac and Weyl fermions. B20-type CoSi is a prototypal material that accommodates such an exotic quasiparticle. To…

High-entropy alloys (HEAs) such as CrMnFeCoNi exhibit unconventional mechanical properties due to their compositional disorder. However, it remains a formidable challenge to estimate the local chemical-environment and magnetic effects of…

材料科学 · 物理学 2022-07-06 Bo Li , Wang Gao , Qing Jiang

Because of the enormous number of possible compositions, comparable to the number of stars in the universe, high-entropy alloys (HEAs) constitute a virtually inexhaustible materials space with highly versatile properties. Among these…

The effects of spin-orbit coupling and symmetry breaking at the interface between a ferromagnet and heavy metal are particularly important for spin-based information storage and computation. Recent discoveries suggest they can create chiral…

Equiatomic TaNbHfZr and TaNbHfZrTi high-entropy alloys (HEAs) have been investigated for their phase stability, short-range clustering (SRC) type chemical ordering, other structural phenomena and and the effects on strengthening. Ab-initio…

材料科学 · 物理学 2016-01-25 Soumyadipta Maiti , Walter Steurer

Half-Heusler alloy topological semimetal YPtBi is a promising candidate for an efficient spin source material having both large spin Hall angle ${\theta}$$_{SH}$ and high thermal stability. However, high-quality YPtBi thin films with low…

材料科学 · 物理学 2023-02-28 Takanori Shirokura , Pham Nam Hai

It has been recently shown that monolayers of transition metal dichalcogenides (TMDs) in the 2H structural phase exhibit relatively large orbital Hall conductivity plateaus within their energy band gaps, where their spin Hall conductivities…

介观与纳米尺度物理 · 物理学 2021-02-10 Tarik P. Cysne , Marcio Costa , Luis M. Canonico , M. Buongiorno Nardelli , R. B. Muniz , Tatiana G. Rappoport

Recent theoretical and practical research has focused on multi-component High Entropy Alloys (HEAs), which have superior mechanical and functional properties than standard alloys based on a single major element, thereby establishing a new…

材料科学 · 物理学 2024-03-26 Abhishek Kumar , M. A. Shaz , N. K. Mukhopadhyay , Thakur Prasad Yadav

The Heusler compound Co2MnGa is a topological semimetal with intriguing electronic and magnetic properties, making it a promising candidate for spintronic applications. This study systematically investigates the effects of substrate…

Cobalt-free high-entropy alloys (HEAs) have garnered interest for nuclear structural applications due to their good mechanical performance, thermal stability, and resistance to radiation-induced degradation, while avoiding long-lived Co…

Proximity effect of spin orbit coupling is investigated through anomalous Hall effect in Pt/Co2FeAl and Pt/Permalloy bilayers. A series of nontrivial magnetotransport behaviors, resulting from a strong impact of phonons on skew scattering,…

材料科学 · 物理学 2013-09-27 Yan-Qing Zhang , Niu-Yi Sun , Rong Shan , Zhen-Gang Zhu

Spintronics is an emerging form of electronics based on the electrons' spin degree of freedom for which materials with robust half-metallic ferromagnet (HMF) character are very attractive. Here we determine the structural stability,…

The energy efficiency of the spin Hall effects (SHE) can be enhanced if the electrical conductivity is decreased without sacrificing the spin Hall conductivity. The resistivity of Pt films can be increased to 150-300 {\mu}{\Omega}*cm by…

介观与纳米尺度物理 · 物理学 2016-10-12 Chuan Qin , Yongming Luo , Chao Zhou , Yunjiao Cai , Mengwen Jia , Shuhan Chen , Yizheng Wu , Yi Ji

A recent paper [Go $\textit{et al}$., Phys. Rev. Lett. $\textbf{121}$, 086602 (2018)] proposed that the intrinsic orbital Hall effect (OHE) can emerge from momentum-space orbital texture in centrosymmetric materials. In searching for real…

介观与纳米尺度物理 · 物理学 2018-12-06 Daegeun Jo , Dongwook Go , Hyun-Woo Lee

Antiferromagnetic (AFM) materials recently have shown interest in the research in spintronics due to its zero stray magnetic field, high anisotropy, and spin orbit coupling. In this context, the bi-metallic AFM Mn2Au has drawn attention…

材料科学 · 物理学 2020-04-15 Braj Bhusan Singh , Subhankar Bedanta

High spin to charge conversion efficiency is the requirement for the spintronics devices which is governed by spin pumping and inverse spin Hall effect (ISHE). In last one decade, ISHE and spin pumping are heavily investigated in…

介观与纳米尺度物理 · 物理学 2021-09-01 Koustuv Roy , Abhisek Mishra , Pushpendra Gupta , Shaktiranjan Mohanty , Braj Bhusan Singh , Subhankar Bedanta

Equiatomic TaNbHfZr refractory high-entropy alloys (HEAs) were synthesized by arc-melting. The HEAs were annealed at 1800{\deg}C for different times, at maximum up to 8 days. Their on average body-centered cubic (bcc), solid-solution…

材料科学 · 物理学 2015-11-02 Soumyadipta Maiti , Walter Steurer

Magnetization dynamics in W/CoFeB, CoFeB/Pt and W/CoFeB/Pt multilayers was investigated using spin-orbit-torque ferromagnetic resonance (SOT-FMR) technique. An analytical model based on magnetization dynamics due to SOT was used to fit…

Severe lattice distortion is suggested for high entropy alloys (HEAs), however, evidence for such effect so far is lacking, and the nature of distortion is yet to be understood. Here, we reveal the distortion in an fcc HEA, Al0.1CrFeCoNi,…

材料科学 · 物理学 2019-03-12 Yu-Tsun Shao , Renliang Yuan , Yang Hu , Qun Yang , Jian-Min Zuo