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Showing 1–12 of 12 results
Advanced filters: Author: Yunzhong Chen Clear advanced filters

  • To overcome inefficient recycling of carbon fibre waste, the authors develop a rapid, commercially attractive solid-flames upcycling technique that converts waste fibres into graphene-grafted carbon fibres and graphene powders.

    • Qingtan Ren
    • Jie Sheng
    • Weidong Fei
    ResearchOpen Access
    Nature Communications
    P: 1-12

  • Perovskite oxides, when combined into heterostructures and superlattices can yield emergent properties not present in the constituent components. Here, by combining LaNiO3, a Pauli paramagnetic material, with LaFeO3, an antiferromagnetic insulator, Zhou et al create a strongly ferromagnetic superlattice with a Curie temperature of over 600 K.

    • Tianlin Zhou
    • Fei Gao
    • Baogen Shen
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-7

  • The authors report the large low-field-driven electrocaloric effect in the novel organic-inorganic hybrid TMCM-CdCl3, underlyingly from the disordering of organic cations and the low-symmetry interaction induced two-step meta-electric transition.

    • Yuan Lin
    • Congcong Chai
    • Baogen Shen
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • Complex oxide devices provide a platform for studying and making use of strongly correlated electronic behavior. Here the authors present a LaAlO3/SrTiO3 quantum dot and show that its transport behavior is consistent with the presence of attractive electron interactions and the charge Kondo effect.

    • Guenevere E. D. K. Prawiroatmodjo
    • Martin Leijnse
    • Thomas S. Jespersen
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • A p-type metallic sheet forms between two oxide insulators, LaAlO3 and SrTiO3. Suppression of oxygen vacancies in SrTiO3 plays a critical role in forming this sheet.

    • Yunzhong Chen
    • Nini Pryds
    News & Views
    Nature Materials
    Volume: 17, P: 215-216

  • In this paper, we report the dimensional control of the interface coupling-induced ferromagnetic phase in perovskite-CaRuO3/infinite-layered-SrCuO2 superlattices. The Hall and magnetoresistance measurements indicate the appearance of an interfacial ferromagnetic state in the originally paramagnetic CaRuO3 layers when the CaRuO3 layer is in proximity to the chain-type SrCuO2 layers; this superlattice has the highest Curie temperature of ~75 K and perpendicular magnetic anisotropy. Along with the thickness-driven structural transition from chain-type to planar-type of the SrCuO2 layers, the interfacial ferromagnetic order gradually deteriorates and finally disappears.

    • Li Zhe
    • Shi Wenxiao
    • Jirong Sun
    ResearchOpen Access
    NPG Asia Materials
    Volume: 16, P: 1-9

  • A new type of solid-sate colossal barocaloric material was fabricated by exploiting the amorphous high entropy inherited from huge disorder of liquid phase in solidified PEG(HO(CH2CH2O)nH) by introducing 5 wt.% PET((C10H8O4)m) for copolymerization. Although PEG loses –OH end mobility, high entropy still retains in amorphous solid. Consequently, a colossal barocaloric entropy change as high as ΔSp ∼ 416 J·kg−1·K−1 under a low pressure of 0.1 GPa was demonstrated.

    • Zibing Yu
    • Houbo Zhou
    • Baogen Shen
    ResearchOpen Access
    NPG Asia Materials
    Volume: 14, P: 1-13

  • For the emergent colossal, reversible barocaloric effect in organic–inorganic perovskite hybrids (CH3–(CH2)n−1–NH3)2MnCl4 (n = 9, 10), we successfully grew a single crystal, and the underlying mechanism was determined by high-resolution SC-XRD, IR spectroscopy and DFT calculations. The drastic transformation of organic chains confined to the metallic frame from ordered rigidity to disordered flexibility is responsible for the large phase-transition entropy, which is comparable to the melting entropy of organic chains. The result provides new insights into designing novel barocaloric materials by utilizing the disordering of organic chains of organic–inorganic hybrid materials.

    • Yihong Gao
    • Hongxiong Liu
    • Baogen Shen
    ResearchOpen Access
    NPG Asia Materials
    Volume: 14, P: 1-12