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Showing 1–15 of 15 results
Advanced filters: Author: Richeng Yu Clear advanced filters

  • Superconductivity at megabar pressures has recently attracted interest in the context of hydrides. Here, the authors demonstrate superconductivity up to 26 K at high pressure in elemental titanium, and further suggest that electron correlations contribute to the high Tc.

    • Changling Zhang
    • Xin He
    • Changqing Jin
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-6

  • The discovery of superconductivity in hydrides at critical temperature (Tc) near room temperature receives intensive attentions. Here the authors report experimental synthesis and discovery of superconductivity with Tc above 210 K in calcium superhydrides at 160–190 GPa.

    • Zhiwen Li
    • Xin He
    • Changqing Jin
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-5

  • There are few reports of ferroelectricity due to symmetry breaking transition in A-site-ordered quadruple perovskites. Here, the authors find one with phase transition from a high-temperature centrosymmetric paraelectric phase to a low-temperature non-centrosymmetric ferroelectric phase in a high pressure synthesized compound.

    • Jianfa Zhao
    • Jiacheng Gao
    • Changqing Jin
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-9

  • Obesity is associated with inflammation in adipose tissue, characterized by a shift in local T cell subsets. Here the authors show that loss of MHCII expression on adipocytes increases levels of immunosuppressive regulatory T cells in adipose tissue, which enhances insulin sensitivity.

    • Tuo Deng
    • Joey Liu
    • Willa A. Hsueh
    ResearchOpen Access
    Nature Communications
    Volume: 8, 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

  • Skyrmion bubbles consist of a centre magnetization pointing up or down, and a swirling vortex magnetic texture, either clockwise or anticlockwise around this. Here, Yao et al use a three-dimensional imaging approach to study this magnetic texture, and show that while the in-plane vortex-like texture changes easily, the centre magnetic direction, the polarity, is retained, leading to a reversed chirality.

    • Yuan Yao
    • Bei Ding
    • Wenhong Wang
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Complex oxide heterostructures exhibit multifunctional behaviour that could be used in a range of device applications. Here, the authors observe that reconstruction at oxide perovskite/brownmillerite interfaces leads to perpendicular magnetic spin orientation, with potential use in spintronic devices.

    • Jing Zhang
    • Zhicheng Zhong
    • Jirong Sun
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • NiCoFeGa single crystals exhibit large non-hysteretic superelasticity over broad temperature and composition ranges. It is attributed to the continuous phase transition with applied stress, which is related to the fluctuation of entangled ordered and disordered crystal structures.

    • Haiyang Chen
    • Yan-Dong Wang
    • Yang Ren
    Research
    Nature Materials
    Volume: 19, P: 712-718

  • Rare-earth engineering is an effective way to introduce and tune magnetism in topological materials. Here, titanium-based kagome metals RETi3Bi4 (RE = Yb, Pr, and Nd) are synthesized and characterized, whereby changing the rare earth atoms in zig-zag chains the magnetism can be tuned from nonmagnetic YbTi3Bi4 to short-range ordered PrTi3Bi4 and finally to ferromagnetic NdTi3Bi4.

    • Long Chen
    • Ying Zhou
    • Gang Wang
    ResearchOpen Access
    Communications Materials
    Volume: 5, P: 1-9