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Showing 1–9 of 9 results
Advanced filters: Author: Ronny Sutarto Clear advanced filters

  • Rare earth Nickelates, (RENiO3) host a bond disproportionation phase transition where oxygen 2p holes form at one of the Ni sites. This process results in a spin-disproportionation state where a singlet state is formed by the spin of the nickel and the spin of the oxygen hole at every other site. Here, Li et al find evidence of this spin-disproportionated state in a rareearth nickelate.

    • Jiarui Li
    • Robert J. Green
    • Riccardo Comin
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-6

  • The authors report resonant soft x-ray scattering and polarimetry measurements on epitaxial thin films of La3Ni2O7. They find a diagonal bicollinear double spin stripe order, with no evidence of charge modulation.

    • Naman K. Gupta
    • Rantong Gong
    • David G. Hawthorn
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • Nickelates have been shown to host unconventional superconductivity, and recently it has been found that the choice of substrate can significantly change the superconducting critical temperature. This suggests, that like some Cuprates, strain could be important. Here Gao, Fan, Wang, and coauthors find that magnetic excitations in a parent Nickelate are insensitive to substrate choice, and therefore strain, which differs markedly from the case of Cuprates.

    • Qiang Gao
    • Shiyu Fan
    • Zhihai Zhu
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-7

  • High-pressure synthesis is used to stabilize superconducting (Ba,K)SbO3, whose properties provide a fresh perspective on the origin of superconductivity in these types of materials.

    • Minu Kim
    • Graham M. McNally
    • Hidenori Takagi
    ResearchOpen Access
    Nature Materials
    Volume: 21, P: 627-633

  • A new form of charge ordering is observed in a cuprate superconductor. At low doping, a fully rotationally symmetric ordering appears before becoming locked to the Cu–O bond directions at high doping. The link between charge correlations and fermiology give a perspective on the phase diagram.

    • Mingu Kang
    • Jonathan Pelliciari
    • Riccardo Comin
    Research
    Nature Physics
    Volume: 15, P: 335-340

  • The recent discovery of superconductivity in bilayer nickelates under high pressure offers a new material platform to explore high-temperature superconductivity. In this study, the authors identify the electronic ground states of the La3Ni2O7 film at ambient pressure revealing the critical role of ligand oxygen and the existence of long-range spin ordering along with charge-like anisotropy.

    • Xiaolin Ren
    • Ronny Sutarto
    • Zhihai Zhu
    ResearchOpen Access
    Communications Physics
    Volume: 8, P: 1-7

  • Application of an electric field changes the transport and optical properties of samarium nickelate submerged in water, making it a suitable passive sensor of weak electric fields in salt water.

    • Zhen Zhang
    • Derek Schwanz
    • Shriram Ramanathan
    Research
    Nature
    Volume: 553, P: 68-72