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Magnetic skyrmion-based data storage and unconventional computing devices have gained increasing attention due to their topological protection, small size, and low driving current. However, skyrmion creation, deletion, and motion are still…

Materials Science · Physics 2023-01-11 Aijaz H. Lone , Arnab Ganguly , Selma Amara , Gobind Das , H. Fariborzi

Altermagnets represent a novel magnetic phase with transformative potential for ultrafast spintronics, yet efficient control of their magnetic states remains challenging. We demonstrate an ultra-low-power electric-field control of…

Interlayer coupling is of vital importance for manipulating physical properties, e.g. electronic bandgap, in two-dimensional materials. However, tuning magnetic proper-ties in these materials is yet to be addressed. Here, we found a striped…

Materials Science · Physics 2018-06-20 Cong Wang , Xieyu Zhou , Yuhao Pan , Jingsi Qiao , Xianghua Kong , Chao-Cheng Kaun , Wei Ji

The Heusler ferromagnetic (FM) compound Co2FeAl interfaced with a high-spin orbit coupling non-magnetic (NM) layer is a promising candidate for energy efficient spin logic circuits. The circuit potential depends on the strength of angular…

The exchange bias effect is an essential component of magnetic memory and spintronic devices. Whereas recent research has shown that anisotropies perpendicular to the device plane provide superior stability against thermal noise, it has…

The manipulation of magnetism with a gate voltage is expected to lead the way towards the realization of energy-efficient spintronics devices and high-performance magnetic memories. Exploiting magneto-ionic effects under micro-patterned…

We have imaged magnetization textures of permalloy films patterned into Penrose P2 tilings (P2T) using scanning electron microscopy with polarization analysis (SEMPA). P2T film segments have near-uniform, bipolar magnetization, similar to…

Mesoscale and Nanoscale Physics · Physics 2015-01-13 V. S. Bhat , A. Balk , B. Farmer , E. Teipel , N. Smith , J. Unguris , J. T. Hastings , L. E. De Long

Ferromagnetic resonance (FMR) driven spin pumping is an emerging technique for injection of a pure spin current from a ferromagnet (FM) into a non-magnetic (NM) material without an accompanying charge current. It is widely believed that…

Electrically controllable magnetism, which requires the field-effect manipulation of both charge and spin degrees of freedom, has attracted growing interests since the emergence of spintronics. In this work, we report the reversible…

Applied Physics · Physics 2018-04-11 L. Liang , Q. H. Chen , J. M. Lu , W. Talsma , J. Shan , G. R. Blake , T. T. M. Palstra , J. T. Ye

To develop new devices based on synthetic ferrimagnetic heterostructures, understanding the material's physical properties is pivotal. Here, the induced magnetic moment (IMM), magnetic exchange coupling, and spin textures are investigated…

Perpendicular switching of a ferromagnet induced by spin torques is crucial for building high density spin-based memory and logic devices, where out-of-plane spin polarization ($\sigma_z$) has become a long sought-after goal for…

Applied Physics · Physics 2025-09-01 Baiqing Jiang , Ziqian Cui , Hanying Zhang , Yuan Wang , C. Bi

In this paper we predict that the magnetoelectric response of two-dimensional (2D) antiferromagnets is determined by the topology of the ground state. This topological magnetoelectric response, encoded in the spin magnetoelectric…

Strongly Correlated Electrons · Physics 2025-12-08 Jörn W. F. Venderbos , Paola Gentile , Carmine Ortix

Magnetic random-access memory (MRAM) driven by spin-transfer torque (STT) is a major contender for future memory applications. The energy dissipation involved in writing remains problematic, even with the advent of more efficient…

Current induced magnetization switching by spin-orbit torques offers an energy-efficient means of writing information in heavy metal/ferromagnet (FM) multilayer systems. The relative contributions of field-like torques and damping-like…

Mesoscale and Nanoscale Physics · Physics 2015-10-12 Meiyin Yang , Kaiming Cai , Hailang Ju , Kevin William Edmonds , Guang Yang , Shuai Liu , Baohe Li , Bao Zhang , Yu Sheng , Shouguo Wang , Yang Ji , Kaiyou Wang

Spintronics exhibits significant potential in neuromorphic computing system with high speed, high integration density, and low dissipation. In this letter, we propose an ultralow-dissipation spintronic memristor composed of a synthetic…

Computational Physics · Physics 2019-06-25 Ziyang Yu , Maokang Shen , Zhongming Zeng , Shiheng Liang , Yong Liu , Ming Chen , Zhenhua Zhang , Zhihong Lu , Yue Zhang , Rui Xiong

Artificial modulation of a neuronal subset through ion channels activation can initiate firing patterns of an entire neural circuit in vivo. As nanovalves in the cell membrane, voltage-gated ion channels can be artificially controlled by…

Applied Physics · Physics 2019-10-08 Kai Wu , Diqing Su , Renata Saha , Jian-Ping Wang

In an effort to compete with the brain's efficiency at processing information, neuromorphic hardware combines artificial synapses and neurons using mixed-signal circuits and emerging memories. In ferroelectric resistive weights, the…

Emerging Technologies · Computer Science 2026-04-08 Alexandre Baigol , Nikhil Garg , Matteo Mazza , Yanming Zhang , Elisa Zaccaria , Wooseok Choi , Bert Jan Offrein , Laura Bégon-Lours

We study transport phenomena through a ballistic ferromagnet-superconductor-ferromagnet (F/S/F) junction, comparing the case in which the ferromagnetic order in the two F layers is of the standard Stoner type with the case where it is…

Superconductivity · Physics 2022-06-08 Paola Gentile , Marilena Catapano , Nicola De Vivo , Mario Cuoco , Alfonso Romano , Canio Noce

Due to the large perpendicular magnetic anisotropy originating from spin-orbit coupling, magnetoelastic coupling is generally reported in easy-plane magnets with rectangular lattice where the easy magnetization is coupled with the lattice…

Materials Science · Physics 2024-11-08 Yu Liao , Yueqiao Qu , Zuo Li , Yu Chen , Liang Liu , Jun-Zhong Wang , Gang Yao

Magnetic anisotropy phenomena in bimetallic antiferromagnets Mn$_2$Au and MnIr are studied by first-principles density functional theory calculations. We find strong and lattice-parameter dependent magnetic anisotropies of the ground state…