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Showing 1–5 of 5 results
Advanced filters: Author: Alessio Filippetti Clear advanced filters

  • Ferroelectricity, spontaneous switchable polarization, is usually deemed incompatible with the electronic screening of a metal. Here, the authors use ab initio theory to predict that metallicity natively coexists with ferroelectric polarization and finite depolarizing fields in the perovskite Bi5Ti5O17.

    • Alessio Filippetti
    • Vincenzo Fiorentini
    • Jorge Íñiguez
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Electrons sitting in quantum wells at the interface between two oxides can localize in the disordered potential, completely changing their properties. Here, the authors observe unexpectedly large thermopower that oscillates upon carrier density modulation and ascribe it to strong electron-phonon coupling.

    • Ilaria Pallecchi
    • Francesca Telesio
    • Daniele Marré
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • A room temperature single-phase multiferroic with large and strongly coupled polarization and magnetization is a long-sought goal in multiferroics research. Here, the authors predict a promising candidate, layered-perovskite metal Bi5Mn5O17, which is a ferromagnet, ferroelectric, and ferrotoroid.

    • Andrea Urru
    • Francesco Ricci
    • Vincenzo Fiorentini
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • Precise control over antiferromagnetic domain configurations and Néel axis orientation is essential for technological advancement of spintronic devices. Here, the authors use epitaxial strain to tailor the magnetic properties of LaFeO3 thin films, demonstrating a crystal engineering approach which may have much wider applicability.

    • Vincent Polewczyk
    • Aleksandr Yu. Petrov
    • Bruce A. Davidson
    ResearchOpen Access
    Communications Materials
    Volume: 6, P: 1-10