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Showing 1–3 of 3 results
Advanced filters: Author: Cosmin Sandu Clear advanced filters

  • Recently, negative pressure has been observed in perovskite nanowires by annealing the wires from a lower-density phase. Here, the authors show that the negative pressure enhances the piezoelectric coefficient of PbTiO3 and Pb(Zr,Ti)O3 nanowires experimentally and by ab initiocalculations.

    • Alexander Kvasov
    • Leo J. McGilly
    • Nava Setter
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-8

  • It is shown that a phase change to a denser crystal structure in PbTiO3 nanowires creates a negative-pressure stress state, which is effective in enhancing ferroelectric performance.

    • Jin Wang
    • Ben Wylie-van Eerd
    • Nava Setter
    Research
    Nature Materials
    Volume: 14, P: 985-990

  • In magnets and ferroelectrics, domains of regions with different ferroic orientation play an important role for the performance of devices based on these materials. Here, the authors create and control ultrafine domains in a ferroelectric that are only 10 nm wide and extend for tens of micrometres.

    • Ludwig Feigl
    • Petr Yudin
    • Nava Setter
    Research
    Nature Communications
    Volume: 5, P: 1-9