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Showing 1–15 of 15 results
Advanced filters: Author: R. Wiesendanger Clear advanced filters

  • Magnetic stability of holmium atoms on a platinum(111) surface has recently been reported, raising prospects for atomic-scale spintronics, however contradictory results have since emerged. Here, Steinbrecher et al.find evidence for an invisibility of the holmium spin to scanning tunnelling spectroscopy techniques which challenges recent results.

    • M. Steinbrecher
    • A. Sonntag
    • A. A. Khajetoorians
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-6

  • Magnetic atomic chains assembled on the surface of superconductors are a potential platform for engineering topological superconducting phases. Here the authors step towards this by manipulating magnetic atoms at interstitial sites to tune interatomic interactions and control the Yu-Shiba-Rusinov states that form.

    • A. Kamlapure
    • L. Cornils
    • R. Wiesendanger
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-7

  • The Dzyaloshinskii-Moriya exchange interaction arises in magnetic systems with broken inversion symmetry and promotes chiral magnetic order which may be exploited in spintronic devices. Here, the authors demonstrate how such an interaction between magnetic atoms on a metallic surface may be tuned by their separation.

    • A. A. Khajetoorians
    • M. Steinbrecher
    • R. Wiesendanger
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-8

  • The microscopic picture of how superconductivity is linked to antiferromagnetic order in Fe-based compounds remains elusive. Here, Mannaet al. report superconducting correlations which spatially coexist with bi-collinear antiferromagnetic order in a one unit cell thin layer of FeTe grown on Bi2Te3.

    • S. Manna
    • A. Kamlapure
    • R. Wiesendanger
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-8

  • Strategies to tune the surface properties of topological insulators are essential, if they are to find use in applications. Using a combination of theoretical and experimental techniques, this study examines how the properties of ordered ternary topological insulators vary with the content of group IV elements.

    • Sergey V. Eremeev
    • Gabriel Landolt
    • Evgueni V. Chulkov
    Research
    Nature Communications
    Volume: 3, P: 1-7

  • Magnetic skyrmions are swirling magnetization textures which are topologically stabilized in helical magnets under an applied magnetic field. Here, the authors use Monte Carlo simulations to explore the stability of skyrmions against a ferromagnetic phase and their potential as single bits.

    • J. Hagemeister
    • N. Romming
    • R. Wiesendanger
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Spin-polarized scanning tunneling microscopy, where a magnetized tip probes the surface, is used to study an atomic layer of manganese. Magnetic order with a specific chirality is observed; a 'left-rotating' spin spiral structure with a period of about 12 nm. The findings confirm the significance of homochirality for nanoscale magnets, which could play a role in the design novel spintronic devices.

    • M. Bode
    • M. Heide
    • R. Wiesendanger
    Research
    Nature
    Volume: 447, P: 190-193

  • A single iron atom adsorbed on a platinum surface can act as the basic constituent of a Hund's metal—known as a Hund's impurity—and its magnetic properties can be probed and manipulated using the tip of a scanning tunnelling microscope.

    • A. A. Khajetoorians
    • M. Valentyuk
    • J. Wiebe
    Research
    Nature Nanotechnology
    Volume: 10, P: 958-964

  • The evolutionary foundation of human prosociality remains poorly understood. Here, the authors show that extensive allomaternal care is the best predictor of prosocial behaviour among 15 primate species, including humans, which suggests that prosocial motivations arise along with cooperative breeding.

    • J. M. Burkart
    • O. Allon
    • C. P. van Schaik
    Research
    Nature Communications
    Volume: 5, P: 1-9

  • Information technology based on few atom magnets requires both long spin-energy relaxation times and flexible inter-bit coupling. Here, the authors show routes to manipulate information in three-atom clusters strongly coupled to substrate electrons by exploiting Dzyaloshinskii–Moriya interactions.

    • J. Hermenau
    • J. Ibañez-Azpiroz
    • J. Wiebe
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-9