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Author: Boron, Leo × End date: 2024 × Start date: 2020 × Has files: Yes × Type: Text × Subject: chirality × Subject: ferroelectrics ×

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    Phase Diagram of a Strained Ferroelectric Nanowire
    (Basel : MDPI, 2022) Pavlenko, Maksim A.; Di Rino, Franco; Boron, Leo; Kondovych, Svitlana; Sené, Anaïs; Tikhonov, Yuri A.; Razumnaya, Anna G.; Vinokur, Valerii M.; Sepliarsky, Marcelo; Lukyanchuk, Igor A.
    Ferroelectric materials manifest unique dielectric, ferroelastic, and piezoelectric properties. A targeted design of ferroelectrics at the nanoscale is not only of fundamental appeal but holds the highest potential for applications. Compared to two-dimensional nanostructures such as thin films and superlattices, one-dimensional ferroelectric nanowires are investigated to a much lesser extent. Here, we reveal a variety of the topological polarization states, particularly the vortex and helical chiral phases, in loaded ferroelectric nanowires, which enable us to complete the strain–temperature phase diagram of the one-dimensional ferroelectrics. These phases are of prime importance for optoelectronics and quantum communication technologies