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Showing 1–16 of 16 results
Advanced filters: Author: Marta D. Rossell Clear advanced filters

  • The strong electro-optical response of BaTiO3 could be useful for making high-speed switches for optical telecommunications. Abel et al. demonstrate the ability to maintain this response in BaTiO3films grown directly onto silicon, extending its potential to the development of silicon photonics.

    • Stefan Abel
    • Thilo Stöferle
    • Jean Fompeyrine
    Research
    Nature Communications
    Volume: 4, P: 1-6

  • A two-dimensional polymer with internal periodicity has now been constructed. The procedure involves the rational molecular design of monomers, which first crystallize into a laminar lattice. A photo-induced polymerization then occurs laterally within each layer, and the resulting polymer crystals are subsequently delaminated into individual, free-standing two-dimensional polymers.

    • Patrick Kissel
    • Rolf Erni
    • Junji Sakamoto
    Research
    Nature Chemistry
    Volume: 4, P: 287-291

  • Phase transition points can be used to reduce the ionic migration activation energy. Here, the authors find a lowered activation energy associated with oxygen transport at a compositional phase transition point in Ca-doped bismuth ferrite films.

    • Ji Soo Lim
    • Ho-Hyun Nahm
    • Chan-Ho Yang
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • The limited routes for polar texture engineering in materials restrict energy efficient applications. Here, the authors establish lattice chemistry control and the use of polarizing surfaces to manipulate electric dipole ordering in thin films.

    • Ipek Efe
    • Alexander Vogel
    • Morgan Trassin
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • This study demonstrates how it is possible to extract full three-dimensional structural information at atomic resolution using a combination of electron tomography and electron microscopy, coupled with separately available knowledge of the crystallographic structure adopted by the target nanoparticle. Such information should ultimately lead to a better understanding of the desirable properties of these systems.

    • Sandra Van Aert
    • Kees J. Batenburg
    • Gustaaf Van Tendeloo
    Research
    Nature
    Volume: 470, P: 374-377

  • Setting any polarization value in ferroelectric thin films is a key step for their implementation in neuromorphic devices. Here, the authors demonstrate continuous modulation of the remanent polarization at the nanoscale in PbZr0.52Ti0.48O3 films.

    • Martin F. Sarott
    • Marta D. Rossell
    • Morgan Trassin
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-7

  • Ferroelectric dead layers can form at perovskite interfaces—a major challenge in integrating oxide thin films into devices. Here, by depositing an in-plane-polarized epitaxial buffer layer of Bi5FeTi3O15, out-of-plane polarization is demonstrated in ultrathin films down to the single-unit-cell level.

    • Elzbieta Gradauskaite
    • Quintin N. Meier
    • Morgan Trassin
    ResearchOpen Access
    Nature Materials
    Volume: 22, P: 1492-1498

  • Carbon-based electronics offer an alternative approach to silicon with the promise that it could be cheaper, faster and smaller. Here, the authors demonstrate amorphous carbon oxide-based resistive memories that are easy to fabricate and exhibit switching speeds on the order of ten nanoseconds.

    • Claudia A. Santini
    • Abu Sebastian
    • Evangelos Eleftheriou
    Research
    Nature Communications
    Volume: 6, P: 1-9

  • Direct epitaxial growth of III-V on Si for optical emitters and detectors remains a challenge. Here, the authors demonstrate in-plane monolithic integration of an InGaAs nanostructure p-i-n photodetector on Si capable of high-speed optical data reception at 32 Gbps enabled by a 3 dB bandwidth exceeding 25 GHz.

    • Svenja Mauthe
    • Yannick Baumgartner
    • Kirsten E. Moselund
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • How to maintain a robust polarization in ferroelectrics despite its inherent suppression when going to the thin-film limit is a long-standing issue. Here, the authors propose the concept of competitive and cooperative interfaces and establish robust polarization states in the ultrathin regime.

    • Nives Strkalj
    • Chiara Gattinoni
    • Morgan Trassin
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-6

  • Narrow emission is desired for light-emitting devices. Here, Kovalenko et al. demonstrate that the emission line-broadening in perovskite quantum dots is dominated by the coupling between excitons and surface phonon modes which can be controlled by minimal surface modifications.

    • Gabriele Rainò
    • Nuri Yazdani
    • Maksym V. Kovalenko
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Eduard Batlle and colleagues find that poor-outcome subgroups of colorectal cancer are driven by genes expressed in tumor-associated stromal cells. They show that TGF-β expression is a common feature of poor-prognosis subtypes and demonstrate the use of anti–TGF-β molecules in patient-derived tumoroids and xenografts.

    • Alexandre Calon
    • Enza Lonardo
    • Eduard Batlle
    Research
    Nature Genetics
    Volume: 47, P: 320-329