Magnetic properties and materials articles within Nature

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  • Letter |

    Magnetic-flux noise measurements with a SQUID-based spectrometer demonstrate the presence of a magnetic monopole plasma in Dy2Ti2O7.

    • Ritika Dusad
    • , Franziska K. K. Kirschner
    •  & J. C. Séamus Davis

  • Letter |

    Synchrotron Mössbauer source spectroscopy is used to reveal that haematite remains magnetic in cold subducting slabs at the depth of the transition zone in the Earth’s mantle, with implications for the locations of magnetic poles during inversions of the Earth’s magnetic field.

    • I. Kupenko
    • , G. Aprilis
    •  & C. Sanchez-Valle

  • 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 |

    The magnetization or polarization of domain states in multiferroics can be reversed while retaining the overall domain pattern, owing to the inherent versatility in coupling the large number of multiferroic order parameters.

    • N. Leo
    • , V. Carolus
    •  & M. Fiebig

  • Letter |

    A ‘magneto-Peltier effect’ produces cooling or heating in a material without junctions, by forcing a change in angle between the current and magnetization in a single ferromagnetic nickel slab.

    • Ken-ichi Uchida
    • , Shunsuke Daimon
    •  & Eiji Saitoh

  • Letter |

    A quantum-liquid state of spin–orbital-entangled magnetic moments is observed in the 5d-electron honeycomb iridate H3LiIr2O6, evidenced by the absence of magnetic ordering down to 0.05 kelvin.

    • K. Kitagawa
    • , T. Takayama
    •  & H. Takagi

  • Letter |

    Many-body two- and three-string states are realized experimentally in the antiferromagnetic Heisenberg–Ising chain SrCo2V2O8 in strong longitudinal magnetic fields.

    • Zhe Wang
    • , Jianda Wu
    •  & Alois Loidl

  • Letter |

    By embedding superparamagnetic nanoparticles in a thermoelectric matrix, phonon and electron transport within the material can be controlled simultaneously at nanometre and mesoscopic length scales, thereby improving the thermoelectric performance of the material.

    • Wenyu Zhao
    • , Zhiyuan Liu
    •  & Jing Shi

  • 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

  • Letter |

    A two-bit magnetic memory is demonstrated, based on the magnetic states of individual holmium atoms, which are read and written in a scanning tunnelling microscope set-up and are stable over many hours.

    • Fabian D. Natterer
    • , Kai Yang
    •  & Christopher P. Lutz

  • Review Article |

    The interplay between spin–orbit coupling and two-dimensionality has led to the emergence of new phases of matter, such as spin-polarized surface states in topological insulators, interfacial chiral spin interactions, and magnetic skyrmions in thin films, with great potential for spin-based devices.

    • Anjan Soumyanarayanan
    • , Nicolas Reyren
    •  & Christos Panagopoulos

  • Letter |

    Coupling a ferromagnetic insulator to a topological insulator induces a robust magnetic state at the interface, resulting from the large spin-orbit interaction and the spin-momentum locking property of Dirac fermions, and leads to an extraordinary enhancement of the magnetic ordering (Curie) temperature.

    • Ferhat Katmis
    • , Valeria Lauter
    •  & Jagadeesh S. Moodera

  • Letter |

    Magnetic molecules are candidates for solid-state spin qubits from which a quantum computer might be constructed, but the magnetic interactions between such molecules typically lead to unwanted decoherence; now magnetic molecules have been designed in such a way that their spin dynamics are energetically protected against the decoherence-inducing interactions.

    • Muhandis Shiddiq
    • , Dorsa Komijani
    •  & Stephen Hill

  • Letter |

    By harnessing the charge transfer that takes place at the interface between a metal and a layer of molecules, the usually non-magnetic materials copper and manganese are made magnetic at room temperature.

    • Fatma Al Ma’Mari
    • , Timothy Moorsom
    •  & Oscar Cespedes

  • Letter |

    Typical ferromagnets elongate and contract anisotropically when placed in a magnetic field but conserve the overall volume, an effect known as Joule magnetostriction; here, a new effect is observed in Fe–Ga alloys—large non-volume-conserving or non-Joulian magnetostriction—which has not previously been observed in any magnet.

    • Harsh Deep Chopra
    •  & Manfred Wuttig

  • Review Article |

    Although classical crystallography is insufficient to determine disordered structure in crystals, correlated disorder does nevertheless contain clear crystallographic signatures that map to the type of disorder, which we are learning to decipher.

    • David A. Keen
    •  & Andrew L. Goodwin

  • Letter |

    In graphene nanoribbons of ‘zigzag’ edge orientation, the edges host unpaired electron spins that couple to generate long-range magnetic order (switching from antiferromagnetic to ferromagnetic inter-edge configuration as the ribbon width increases) under ambient conditions, enhancing the prospects for graphene-based spintronic devices.

    • Gábor Zsolt Magda
    • , Xiaozhan Jin
    •  & Levente Tapasztó

  • Letter |

    The magnetoresistance effect in WTe2, a layered semimetal, is extremely large: the electrical resistance can be changed by more than 13 million per cent at very high magnetic fields and low temperatures.

    • Mazhar N. Ali
    • , Jun Xiong
    •  & R. J. Cava

  • Article |

    The idea that magnetic particles suspended in a liquid crystal might spontaneously orient into a ferromagnetic state has hitherto not been confirmed experimentally, but such a state has now been realized using nanometre-sized ferromagnetic platelets in a nematic liquid crystal.

    • Alenka Mertelj
    • , Darja Lisjak
    •  & Martin Čopič

  • Letter |

    Artificial spin-ice systems are lithographically fabricated arrays of interacting ferromagnetic nanometre-scale islands; a procedure to thermalize two types of artificial spin ice with different geometries has now been developed, resulting in unprecedentedly large ground-state domains in square lattices and crystallites of ordered magnetic charges in kagome lattices.

    • Sheng Zhang
    • , Ian Gilbert
    •  & Peter Schiffer

  • Letter |

    The non-Fermi-liquid regime that emerges in MnSi under high pressures displays a Hall signal that can be traced to topologically non-trivial spin configurations at low pressures — a well-understood skyrmion lattice — empirically suggesting a route towards a breakdown of Fermi liquid theory in pure metals.

    • R. Ritz
    • , M. Halder
    •  & C. Pfleiderer

  • Letter |

    Magnetic order in a manganite can be switched during femtosecond photo-excitation via coherent superpositions of quantum states; this is analogous to processes in femtosecond chemistry where photoproducts of chemical and biochemical reactions can be influenced by creating suitable superpositions of molecular states.

    • Tianqi Li
    • , Aaron Patz
    •  & Jigang Wang

  • News |

    Validation of long-predicted quantum effect points the way to thermal electronics.

    • Edwin Cartlidge

  • Letter |

    Neutron scattering measurements on single-crystal samples of the mineral herbertsmithite, which is a spin-1/2 kagome-lattice antiferromagnet, provide evidence of fractionalized spin excitations at low temperatures, indicating that the ground state of herbertsmithite may be a quantum spin liquid.

    • Tian-Heng Han
    • , Joel S. Helton
    •  & Young S. Lee

  • News & Views |

    New calculations show that the electrical resistance of Earth's liquid-iron core is lower than had been thought. The results prompt a reassessment of how the planet's magnetic field has been generated and maintained over time. See Letter p.355

    • Bruce Buffett

  • News & Views |

    The structure of a mineral has been validated, ending the controversy about its potential usefulness as a model of an unusual magnetic lattice. This model might provide insight into superconductivity.

    • Mark A. de Vries
    •  & Andrew Harrison

  • Letter |

    Isolated magnetic atoms doped into a semiconductor represent an interesting system for spintronics applications and a possible means of constructing quantum bits. So far, however, it has not been possible to study the correlation between the local atomic structure and the dopant's magnetic properties. Here, sensitive scanning probe techniques have been developed that allow the spin excitations of individual magnetic dopants within a two-dimensional semiconductor system to be measured.

    • Alexander A. Khajetoorians
    • , Bruno Chilian
    •  & Roland Wiesendanger

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