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Showing 1–3 of 3 results
Advanced filters: Author: Alexander Kvasov 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 ferroelectrics, the domain walls can have different properties than the domains themselves. Here, Wei et al.show that certain domain walls in antiferroelectric materials are ferroelectric, which makes them interesting candidates for new non-volatile memory concepts.

    • Xian-Kui Wei
    • Alexander K. Tagantsev
    • Nava Setter
    ResearchOpen Access
    Nature Communications
    Volume: 5, P: 1-8