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Showing 1–12 of 12 results
Advanced filters: Author: Dominik Kriegner Clear advanced filters

  • Contrary to ferromagnets, antiferromagnets possess no net magnetic moment, which has limited their applicability as magnetic memory media. Here, the authors demonstrate a heat-assisted multiple-stable memory based on epitaxial thin films of antiferromagnet MnTe with three-fold symmetric anisotropy.

    • D. Kriegner
    • K. Výborný
    • T. Jungwirth
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Antiferromagnets offer the potential for higher speed and density than ferromagnetic materials for spintronic devices. Here, Reimers et al study the domain structure of CuMnAs, demonstrating the role of defects in stabilizing the location and orientation of antiferromagnetic domain walls.

    • Sonka Reimers
    • Dominik Kriegner
    • Kevin W. Edmonds
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Interpretation of the physical phenomena observed in non-collinear antiferromagnets is challenging; imaging and writing magnetic domains is important for applications. Here the authors show magnetic domain imaging and writing in a non-collinear antiferromagnet by recording anomalous Nernst voltage in response to a localized thermal gradient.

    • Helena Reichlova
    • Tomas Janda
    • Sebastian T. B. Goennenwein
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-6

  • Solid-state X-ray detectors have enabled real-time diagnostics as well as reduced patient dose. Now researchers have shown that potentially inexpensive perovskites can be used for efficient X-ray imaging.

    • Sergii Yakunin
    • Mykhailo Sytnyk
    • Wolfgang Heiss
    Research
    Nature Photonics
    Volume: 9, P: 444-449

  • Altermagnets, unlike their conventional collinear antiferromagnetic counterparts, allow for an anomalous Nernst response despite their collinear compensated magnetic ordering. Here, Badura et al find such an anomalous Nernst effect at zero magnetic field in the altermagnetic candidate, Mn5Si3.

    • Antonín Badura
    • Warlley H. Campos
    • Helena Reichlova
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-11

  • The classification of magnets now includes altermagnets which possess opposite-spin sublattices connected by rotation and share some features with ferro- and antiferromagnets. Here the authors report the anomalous Hall effect in Mn5Si3 and interpret the results in terms of a d-wave altermagnetic phase.

    • Helena Reichlova
    • Rafael Lopes Seeger
    • Libor Šmejkal
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • GeTe is a ferroelectric semiconductor with broken inversion symmetry, which leads to a large spin-orbit interaction. When doped with small amounts of manganese, it becomes magnetoelectric. Here, Krempasky et al show that the ferrimagnetic ordering of Mn-doped GeTe can be switched with unusually small currents under specific resonant conditions, orders of magnitude smaller than typical for spin-orbit torque based switching.

    • Juraj Krempaský
    • Gunther Springholz
    • J. Hugo Dil
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-11

  • Nanomaterials that form a bioelectronic interface with cells are fascinating tools for controlling cellular behavior. Here, the authors photostimulate single cells with spiky assemblies of semiconducting quinacridone nanocrystals, whose nanoscale needles maximize electronic contact with the cells.

    • Mykhailo Sytnyk
    • Marie Jakešová
    • Eric Daniel Głowacki
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-11

  • A superlattice consisting of SrIrO3 and SrTiO3 is shown to display a giant response to sub-tesla external magnetic fields—a direct consequence of its antiferromagnetic nature.

    • Lin Hao
    • D. Meyers
    • Jian Liu
    Research
    Nature Physics
    Volume: 14, P: 806-810