Ferromagnetism articles within Nature

Featured

  • Article
    | Open Access

    Laser-based micro-focused angle-resolved photoemission spectroscopy reveals both fractionalized and marginal quasiparticles in C3-symmetric electron pockets near the Brillouin zone centre of the ferromagnetic kagome metal Fe3Sn2.

    • Sandy Adhitia Ekahana
    • , Y. Soh
    •  & G. Aeppli

  • Article |

    Transport measurements in twisted bilayer MoTe2 reveal quantized Hall resistance plateaus and composite Fermi liquid-like behaviour under zero magnetic field, constituting a direct observation of integer and fractional quantum anomalous Hall effects.

    • Heonjoon Park
    • , Jiaqi Cai
    •  & Xiaodong Xu

  • Article
    | Open Access

    All-optical, mode-selective manipulation of the crystal lattice can be used to enhance and stabilize ferromagnetism in YTiO3 well above its equilibrium ordering temperature and for many nanoseconds, enabling dynamic engineering of practically useful non-equilibrium functionalities in fluctuating electronic systems.

    • A. S. Disa
    • , J. Curtis
    •  & A. Cavalleri

  • Article |

    LiHoF4, a dipolar Ising ferromagnet, is investigated near its transverse-field quantum critical point, showing that well-defined mesoscale quantum phase transitions arise when tilting the magnetic field away from the hard axis.

    • Andreas Wendl
    • , Heike Eisenlohr
    •  & Christian Pfleiderer

  • Article
    | Open Access

    An iron–cobalt–nickel–tantalum–aluminium multicomponent alloy with ferromagnetic matrix and paramagnetic coherent nanoparticles is described, showing high tensile strength and ductility, along with very low coercivity.

    • Liuliu Han
    • , Fernando Maccari
    •  & Dierk Raabe

  • Article |

    A study shows that rhombohedral graphene is an ideal platform for well-controlled tests of many-body theory and reveals that magnetism in moiré materials is fundamentally itinerant in nature.

    • Haoxin Zhou
    • , Tian Xie
    •  & Andrea F. Young

  • Article |

    A family of topological antiferromagnetic spin textures is realized at room temperature in α-Fe2O3, and their reversible and field-free stabilization using a Kibble–Zurek-like temperature cycling is demonstrated.

    • Hariom Jani
    • , Jheng-Cyuan Lin
    •  & Paolo G. Radaelli

  • Article |

    Strong electron–electron interactions in magic-angle twisted bilayer graphene can fundamentally change the topology of the system’s flat bands, producing a hierarchy of strongly correlated topological insulators in modest magnetic fields.

    • Kevin P. Nuckolls
    • , Myungchul Oh
    •  & Ali Yazdani

  • Article |

    The ferromagnet CeRh6Ge4 is found to exhibit strange-metal behaviour at a quantum critical point, suggesting that changes in the pattern of quantum entanglement, not antiferromagnetism, underlie the development of strange metals.

    • Bin Shen
    • , Yongjun Zhang
    •  & Huiqiu Yuan

  • Article |

    A quantum dot device designed to host four electrons is used to demonstrate Nagaoka ferromagnetism—a model of itinerant magnetism that has so far been limited to theoretical investigation.

    • J. P. Dehollain
    • , U. Mukhopadhyay
    •  & L. M. K. Vandersypen

  • Article |

    In theory, the anomalous quantum Hall effect is observed in edge channels of topological insulators when there is a magnetic energy gap at the Dirac point; this gap has now been observed by low-temperature photoelectron spectroscopy in Mn-doped Bi2Te3.

    • E. D. L. Rienks
    • , S. Wimmer
    •  & G. Springholz

  • Letter |

    The magnetic properties of a ferromagnetic layer stack are controlled on attosecond timescales through optically induced spin and orbital momentum transfer, demonstrating a coherent regime of ultrafast magnetism.

    • Florian Siegrist
    • , Julia A. Gessner
    •  & Martin Schultze

  • Letter |

    Femtosecond time-resolved X-ray diffraction reveals that in the ultrafast demagnitization of ferromagnetic iron, about 80% of the angular momentum lost from the spins is transferred to the lattice on a sub-picosecond timescale.

    • C. Dornes
    • , Y. Acremann
    •  & S. L. Johnson

  • Letter |

    Fe3Sn2 hosts massive Dirac fermions, owing to the underlying symmetry properties of the bilayer kagome lattice in the ferromagnetic state and the atomic spin–orbit coupling.

    • Linda Ye
    • , Mingu Kang
    •  & Joseph G. Checkelsky

  • Letter |

    Techniques exist for imaging the magnetization patterns of magnetic thin films and at the surfaces of magnets, but here hard-X-ray tomography is used to image the three-dimensional magnetic structure within a micrometre-sized magnet in the vicinity of Bloch points.

    • Claire Donnelly
    • , Manuel Guizar-Sicairos
    •  & Laura J. Heyderman

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