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Showing 1–6 of 6 results
Advanced filters: Author: Zhehong Liu Clear advanced filters

  • Angle-resolved photoemission spectroscopy measurements in CoSi reveal the presence of unconventional chiral fermions near the Fermi level, with giant surface Fermi arcs and one pair of well separated chiral nodes.

    • Zhicheng Rao
    • Hang Li
    • Hong Ding
    Research
    Nature
    Volume: 567, P: 496-499

  • The develop of organic functional materials requires the exploration of the pressure dependent emissive mechanisms of molecular structures, conformations and stacking modes. Here, Tong et al propose a strategy for monitoring the pressure-induced fluorescence under multiple excitation channels.

    • Shuang Tong
    • Jianhong Dai
    • Xinggui Gu
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-11

  • PbFeO3 is part of a family of lead based perovskites with many intriguing properties; however, difficulties in synthesis have hampered investigation. Here, the authors present a detailed study of the structure of PbFeO3 observing unique charge ordering and spin orientation among the constituent ions.

    • Xubin Ye
    • Jianfa Zhao
    • Youwen Long
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-11

  • Ferromagnetic semiconductors are promising candidates for high-performance multifunctional spintronic devices due to the peculiar magneto-electric and magneto-optical properties. However, the low spin ordering temperature limits their applications. By using high pressure to stabilize the crystal structure and oxygen content, an oxygen-deficient perovskite SrCr0.5Fe0.5O2.875 was synthesized. This compound displays ferromagnetic behavior with a spin ordering temperature as high as 600 K. Benefiting from the semiconducting direct bandgap (~2.28 eV), a field-tunable green fluorescent effect is observed. This work opens up a new avenue for research on room-temperature multifunctional materials with coupled magnetic, electrical, and optical performance.

    • Bowen Zhou
    • Qing Zhao
    • Youwen Long
    ResearchOpen Access
    NPG Asia Materials
    Volume: 12, P: 1-6

  • The scheelite-type DyCrO4 shows a large linear magnetoelectric effect (magnetic field induced electric polarization) as well as the converse effect (electric field induced magnetization) within ± 3 T. A higher magnetic field induces a metamagnetic transition from the initially collinear antiferromagnetic structure to a canted one, generating a giant ferromagnetic component by about 7 μB f.u.−1. The new spin structure can break the spatial inversion symmetry and yield spontaneous ferroelectric polarization, giving rise to the coupling of ferromagnetism and ferroelectricity in a single-phase material.

    • Xudong Shen
    • Long Zhou
    • Youwen Long
    ResearchOpen Access
    NPG Asia Materials
    Volume: 11, P: 1-8