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Showing 1–3 of 3 results
Advanced filters: Author: Che-Hui Lee Clear advanced filters

  • A new family of tunable microwave dielectrics with unparalleled performance at frequencies up to 125 GHz at room temperature has been created, using dimensionality to add and control a local ferroelectric instability in a system with exceptionally low dielectric loss.

    • Che-Hui Lee
    • Nathan D. Orloff
    • Darrell G. Schlom
    Research
    Nature
    Volume: 502, P: 532-536

  • Competing phases in layered complex oxides are believed to be relevant for emergent phenomena, which still await to be witnessed. Here, Stone et al. report direct atomic-scale imaging of a multitude of polar phases in Ruddlesden-Popper oxide thin films, exhibiting diverse phenomena in a single structure.

    • Greg Stone
    • Colin Ophus
    • Venkatraman Gopalan
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-9

  • Understanding the thermal transport properties of superlattice structures is relevant to a number of possible practical applications. Now, the scattering of phonons in oxide superlattices is shown to undergo a crossover from an incoherent to a coherent regime, which in turn strongly alters their thermal behaviour.

    • Jayakanth Ravichandran
    • Ajay K. Yadav
    • Mark A. Zurbuchen
    Research
    Nature Materials
    Volume: 13, P: 168-172