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Showing 1–3 of 3 results
Advanced filters: Author: Olaf Borkiewicz Clear advanced filters

  • Synthesis of metastable materials away from thermodynamic equilibrium has been a challenge in materials chemistry, but thin-film methods often struggle to yield ground-state structures. Now, a synthesis pathway to thin films of stable layered ternary nitrides is revealed, and the tendency for metastable intermediate formation is discussed.

    • Andriy Zakutayev
    • Matthew Jankousky
    • Vladan Stevanovic
    Research
    Nature Synthesis
    Volume: 3, P: 1471-1480

  • Metal fluorides/oxides are promising electrodes for lithium-ion batteries, but the mechanism by which they exhibit additional reversible capacity is still not well understood. By using high-resolution solid-state NMR techniques it is shown that extra capacity in this RuO2 system is due to the generation of LiOH and its subsequent reversible reaction with Li to form Li2O and LiH.

    • Yan-Yan Hu
    • Zigeng Liu
    • Clare P. Grey
    Research
    Nature Materials
    Volume: 12, P: 1130-1136

  • Compared to monovalent lithium or sodium ions, the reversible insertion of multivalent ions into battery electrodes has proved challenging. An aliovalent doping strategy involving reversible Mg2+ and Al3+ insertion in anatase TiO2 is now reported.

    • Toshinari Koketsu
    • Jiwei Ma
    • Damien Dambournet
    Research
    Nature Materials
    Volume: 16, P: 1142-1148