Magnetic devices articles within Nature Communications

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  • Article
    | Open Access

    Magnetic skyrmions are promising objects for future spintronic devices. However, a better understanding of their dynamics is required. Here, the authors show that in contrast to predictions the skyrmion Hall angle is independent of their diameter and motion is dominated by disorder and skyrmion-skyrmion interactions in the system.

    • Katharina Zeissler
    • , Simone Finizio
    •  & Christopher H. Marrows

  • Article
    | Open Access

    A meron is one half of a skyrmion but whether a single meron pair can be created and stabilized remains a challenging question. Here, Gao et al. develop a method to create and stabilize individual pairs of merons in a continuous Py film by local vortex imprinting from Co disks.

    • N. Gao
    • , S. -G. Je
    •  & Z. Q. Qiu

  • Article
    | Open Access

    Nonlinear damping enhancement imposes strict limitations on the operation and efficiency of magnetic nano-devices. Here the authors show that nonlinear damping can be controlled by the ellipticity of magnetization precession, which provides a route for the implementation of efficient active spintronic and magnonic devices driven by spin current.

    • Boris Divinskiy
    • , Sergei Urazhdin
    •  & Vladislav E. Demidov

  • Article
    | Open Access

    Fast and low-power electrical control of magnetic textures is expected to enable a new generation of computational devices. Here the authors show how chiral interactions determine the structure of domain walls in Tm3Fe5O12 and lead to efficient current-driven wall motion.

    • Saül Vélez
    • , Jakob Schaab
    •  & Pietro Gambardella

  • Article
    | Open Access

    The capability to engineer magnon states in confined geometries is vital to future nano-magnonics. Here the authors demonstrate that the topology of the magnon bands is determined by the local arrangement and orientation of nanoparticles and can be controlled by the genotype of magnetotactic bacteria.

    • Benjamin W. Zingsem
    • , Thomas Feggeler
    •  & Michael Winklhofer

  • Article
    | Open Access

    Isolated skyrmions with diameters below 10 nm stabilized at zero magnetic field are of great technological relevance to the future spintronic applications. Here the authors report stabilization of zero field isolated skyrmions with diameters smaller than 5 nm in Rh/Co atomic bilayers on the Ir(111) surface.

    • Sebastian Meyer
    • , Marco Perini
    •  & Stefan Heinze

  • Article
    | Open Access

    Despite the potential of self-assembly strategies for fabricating 3D micro-electronic devices, technological limitations prohibit widespread industrial adoption. Here, the authors report the magnetic field-assisted Origami-based assembly of high-performance devices with high yield.

    • Felix Gabler
    • , Dmitriy D. Karnaushenko
    •  & Oliver G. Schmidt

  • Article
    | Open Access

    Spin current carrying angular momentum enables intriguing phenomena and many fascinating applications. Here the authors demonstrate that thermally driven spin Seebeck current can give rise to the mechanical torque when transmitting through a Y3Fe5O12 micro cantilever.

    • Kazuya Harii
    • , Yong-Jun Seo
    •  & Eiji Saitoh

  • Article
    | Open Access

    Energy-efficient manipulation of spins at the nanoscale can advance magnetic storage and computing technologies. Here the authors show that low-dimensional chaos generated by alternating spin torque can induce magnetic switching in a nanoscale ferromagnet.

    • Eric Arturo Montoya
    • , Salvatore Perna
    •  & Ilya N. Krivorotov

  • Article
    | Open Access

    Voltage control of spin-orbit torques (SOTs) provides additional degrees of freedom for spinmemory and -logic applications. Here the authors demonstrate a large voltage control of direction as well as amount of current-induced spin accumulation at the heavy metal/ferromagnet interface and effectively tune the SOTs in a Pt/Co/GdOx heterostructure.

    • Rahul Mishra
    • , Farzad Mahfouzi
    •  & Hyunsoo Yang

  • Article
    | Open Access

    The high speed switching and energy efficiency nature grant all-optical switching (AOS) great potential for future photonic integrated spintronic devices. Here the authors demonstrate the combination of AOS and domain wall propagation in Pt/Co/Gd synthetic ferrimagnetic racetrack for applications in photonic memory technologies.

    • M. L. M. Lalieu
    • , R. Lavrijsen
    •  & B. Koopmans

  • Article
    | Open Access

    The ability to electrically control spintronic materials significantly widens their potential for integration into devices, but it is difficult to achieve in metals with high carrier densities. Here the authors demonstrate ionic liquid gated control of the inverse spin Hall effect in platinum.

    • Sergey Dushenko
    • , Masaya Hokazono
    •  & Masashi Shiraishi

  • Article
    | Open Access

    Manipulation of skyrmions is one of the keys to achieving the skyrmion based spintronic devices. Here the authors show the skyrmions in Cu2OSeO3 can be rotated collectively with fixed velocity–radius relationship under a static magnetic field gradient which enables a local, Joule heat-free control of skyrmions.

    • S. L. Zhang
    • , W. W. Wang
    •  & T. Hesjedal

  • Article
    | Open Access

    Population coding, where populations of artificial neurons process information collectively can facilitate robust data processing, but require high circuit overheads. Here, the authors realize this approach with reduced circuit area and power consumption, by utilizing superparamagnetic tunnel junction based neurons.

    • Alice Mizrahi
    • , Tifenn Hirtzlin
    •  & Damien Querlioz

  • Article
    | Open Access

    Short-wavelength spin waves with high group velocity are one of the key ingredients for the spin-wave based memory-logics. Here the authors demonstrate the propagation of spin waves with wavelength down to 50 nm and group velocity up to 2600 m s−1 using ferromagnetic nanowires grown on a thin Y3Fe5O12 film strip structure.

    • Chuanpu Liu
    • , Jilei Chen
    •  & Mingzhong Wu

  • Article
    | Open Access

    The thermal stability impedes the application of nanoscale magnetic tunnel junctions in electronic and spintronics devices. Here the authors achieved current-induced magnetization switching in magnetic tunnel junctions smaller than 10 nm with sufficient thermal stability due to the shape anisotropy without adding new material systems.

    • K. Watanabe
    • , B. Jinnai
    •  & H. Ohno

  • Article
    | Open Access

    Biological shuttles efficiently traffic molecules in cells, inspiring the development of synthetic analogs. Here, the authors create colloidal shuttles that collect, transport, and deliver cargo particles and cells under the control of external electrical and magnetic fields.

    • Ahmet F. Demirörs
    • , Fritz Eichenseher
    •  & André R. Studart

  • Article
    | Open Access

    The forced alignment of magnetic moments leads to a large change in entropy, which can be used to reduce the temperature of a material. Here, the authors show that this magnetic cooling effect occurs on a femtosecond time scale in cobalt–platinum nano-multilayers.

    • Je-Ho Shim
    • , Akbar Ali Syed
    •  & Dong Eon Kim

  • Article
    | Open Access

    Spin waves are promising candidates as carriers for energy-efficient information processing, but they have not yet been fully explored application wise. Here the authors theoretically demonstrate that antiferromagnetic domain walls are naturally spin wave polarizers and retarders, two key components of magnonic devices.

    • Jin Lan
    • , Weichao Yu
    •  & Jiang Xiao

  • Review Article
    | Open Access

    Nanoscale magnetic devices play a key role in modern technologies but current applications involve only 2D structures like magnetic discs. Here the authors review recent progress in the fabrication and understanding of 3D magnetic nanostructures, enabling more diverse functionalities.

    • Amalio Fernández-Pacheco
    • , Robert Streubel
    •  & Russell P. Cowburn

  • Article
    | Open Access

    Devices based on antiferromagnetic materials have advantages of robustness to external magnetic fields and the potential for ultrafast operation. Here the authors present a multilevel antiferromagnetic memory cell that can be operated using standard electronic interfaces.

    • K. Olejník
    • , V. Schuler
    •  & T. Jungwirth

  • Article
    | Open Access

    Voltage control of magnetism in ferromagnetic semiconductor is appealing for spintronic applications, which is yet hindered by compound formation and low Curie temperature. Here, Nie et al. report electric-field control of ferromagnetism in MnxGe1−xnanomeshes with a Curie temperature above 400 K and controllable giant magnetoresistance.

    • Tianxiao Nie
    • , Jianshi Tang
    •  & Kang L. Wang

  • Article
    | Open Access

    Whilst neutron scattering is a powerful tool for studying spin fluctuations in materials, its availability is limited to large-scale user facilities. Here, the authors demonstrate how the pumping of pure spin currents can be used as a desktop probe to detect an antiferromagnetic transition.

    • Zhiyong Qiu
    • , Jia Li
    •  & Eiji Saitoh

  • Article
    | Open Access

    Injecting spin-polarized current into a ferromagnetic thin film via a nanocontact is expected to generate a radially-symmetric spin wave soliton. Here, the authors use time-resolved x-ray microscopy and micromagnetic simulations to demonstrate the occurrence of p-like symmetry associated with non-uniform magnetic fields in the nanocontact region.

    • S. Bonetti
    • , R. Kukreja
    •  & H. A. Dürr

  • Article |

    Magnetoelectric composites of magnetic and ferroelectric components are promising for their use in applications such as information storage. Here, the authors find that magnetic quasiparticles embedded in a ferroelectric film matrix show promising properties compared to the usual thin-film architectures.

    • Yanxi Li
    • , Zhongchang Wang
    •  & Dwight Viehland

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