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  1. Article

    Open Access

    Magnon interactions in a moderately correlated Mott insulator

    Quantum fluctuations in low-dimensional systems and near quantum phase transitions have significant influences on material properties. Yet, it is difficult to experimentally gauge the strength and importance o...

    Qisi Wang, S. Mustafi, E. Fogh, N. Astrakhantsev, Z. He, I. Biało… in Nature Communications (2024)

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  2. Article

    Open Access

    Fate of charge order in overdoped La-based cuprates

    In high-temperature cuprate superconductors, stripe order refers broadly to a coupled spin and charge modulation with a commensuration of eight and four lattice units, respectively. How this stripe order evolv...

    K. von Arx, Qisi Wang, S. Mustafi, D. G. Mazzone, M. Horio… in npj Quantum Materials (2023)

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  3. Article

    Open Access

    Crossover of high-energy spin fluctuations from collective triplons to localized magnetic excitations in Sr14−xCaxCu24O41 ladders

    We studied the magnetic excitations in the quasi-one-dimensional (q-1D) ladder subsystem of Sr14−xCaxCu24O41 (SCCO) using Cu L3-edge resonant inelastic X-ray scattering (RIXS). By comparing momentum-resolved RIXS...

    Y. Tseng, J. Thomas, W. Zhang, E. Paris, P. Puphal, R. Bag… in npj Quantum Materials (2022)

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  4. Article

    Open Access

    Probing the interplay between lattice dynamics and short-range magnetic correlations in CuGeO3 with femtosecond RIXS

    Investigations of magnetically ordered phases on the femtosecond timescale have provided significant insights into the influence of charge and lattice degrees of freedom on the magnetic sub-system. However, sh...

    E. Paris, C. W. Nicholson, S. Johnston, Y. Tseng, M. Rumo… in npj Quantum Materials (2021)

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  5. Article

    Publisher Correction: Electronic structure of the parent compound of superconducting infinite-layer nickelates

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    M. Hepting, D. Li, C. J. Jia, H. Lu, E. Paris, Y. Tseng, X. Feng… in Nature Materials (2020)

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  6. No Access

    Article

    Electronic structure of the parent compound of superconducting infinite-layer nickelates

    The search continues for nickel oxide-based materials with electronic properties similar to cuprate high-temperature superconductors1–10. The recent discovery of superconductivity in the doped infinite-layer nick...

    M. Hepting, D. Li, C. J. Jia, H. Lu, E. Paris, Y. Tseng, X. Feng… in Nature Materials (2020)

  7. Article

    Open Access

    Strain-engineering Mott-insulating La2CuO4

    The transition temperature Tc of unconventional superconductivity is often tunable. For a monolayer of FeSe, for example, the sweet spot is uniquely bound to titanium-oxide substrates. By contrast for La2−xSrxCuO

    O. Ivashko, M. Horio, W. Wan, N. B. Christensen, D. E. McNally… in Nature Communications (2019)

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