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Showing 1–15 of 15 results
Advanced filters: Author: Johannes Raith Clear advanced filters

  • Silicon-ion-implanted yttrium iron garnet technology enables low-loss and dispersion-tunable magnonic waveguides with spin-wave decay lengths of >100 µm, which pave the way for large-scale, energy-efficient magnonic integrated circuits.

    • Jannis Bensmann
    • Robert Schmidt
    • Rudolf Bratschitsch
    ResearchOpen Access
    Nature Materials
    Volume: 24, P: 1920-1926

  • Layered van der Waals magnets like CrSBr, when sandwiched between electrodes form a natural magnetic tunnel junction, albeit lacking the characteristic nonmultiple volatile states at zero field of a magnetic memory. Here, Chen et al overcome this limitation to establish four nonvolatile states at zero field by constructing magnetic tunnel junctions out of twisted monolayers and bilayers of CrSBr with two twisted interfaces.

    • Yuliang Chen
    • Kartik Samanta
    • Stuart S. P. Parkin
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-10

  • Hexagonal boron nitride (hBN) is a layered van der Waals material showing promise for nanophotonics. Here, the authors design hBN photonic crystal cavities with quality factors exceeding 2000, and further demonstrate deterministic tuning of individual cavities by minimally-invasive electron beam induced etching.

    • Sejeong Kim
    • Johannes E. Fröch
    • Igor Aharonovich
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-8

  • By twisting two bilayers of CrSBr, which is a 2D antiferromagnet, a >700% nonvolatile tunnelling magnetoresistance at zero field is shown, demonstrating a new strategy for constructing all-antiferromagnetic tunnel junctions down to the atomic limit.

    • Yuliang Chen
    • Kartik Samanta
    • Stuart S. P. Parkin
    ResearchOpen Access
    Nature
    Volume: 632, P: 1045-1051

  • Magnetic skyrmions, due to their strongly nonlinearity and multiscale dynamics, are promising for implementing reservoir computing. Here, the authors experimentally demonstrate skyrmion-based spatially multiplexed reservoir computing able to perform Boolean Logic operations, using thermal and current driven dynamics of spin structures.

    • Klaus Raab
    • Maarten A. Brems
    • Mathias Kläui
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • In a tiny chip-based particle accelerator, phase-space control of the emerging electron beam demonstrates guiding over a length of nearly 80 micrometres and an indispensable prerequisite to electron acceleration to high energies.

    • R. Shiloh
    • J. Illmer
    • P. Hommelhoff
    Research
    Nature
    Volume: 597, P: 498-502

  • A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

    • Mari E. K. Niemi
    • Juha Karjalainen
    • Chloe Donohue
    ResearchOpen Access
    Nature
    Volume: 600, P: 472-477

  • The development of perovskite nanocrystals is limited by poor mechanistic understanding of their growth. Here, the authors systematically study the ligand-assisted reprecipitation synthesis of CH3NH3PbBr3 nanocrystals, revealing the effect of precursor and ligand concentrations on bandgap tunability.

    • He Huang
    • Johannes Raith
    • Andrey L. Rogach
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-8

  • Cells use pH gradients to drive the synthesis of adenosine triphosphate (ATP), but the physicochemical mechanisms that can produce pH gradients in non-equilibrium settings are poorly understood. The authors here theoretically and experimentally investigate the formation of a pH gradient in an acid-base reaction system, driven by a heat flow, providing insights on how crude non-equilibrium systems can feed chemical gradients exploitable by life.

    • Thomas Matreux
    • Bernhard Altaner
    • Ulrich Gerland
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-9