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Showing 1–11 of 11 results
Advanced filters: Author: Anna Fontcuberta i Morral Clear advanced filters

  • Silicon used for electronics has a cubic crystal lattice, which makes the material unsuitable for photonics applications. A method for producing germanium and silicon–germanium alloys that have hexagonal lattices offers a solution.

    • Anna Fontcuberta i Morral
    News & Views
    Nature
    Volume: 580, P: 188-189

  • Microscopy reveals how nanowires of a widely used semiconductor grow during preparation. The findings will allow the crystal phases of such nanowires to be engineered — a crucial advance for materials science. See Article p.317

    • Anna Fontcuberta i Morral
    News & Views
    Nature
    Volume: 531, P: 308-309

  • Individual nanowires are used to realize a new form of atomic force microscopy suitable for mapping both the size and direction of weak forces.

    • Nicola Rossi
    • Floris R. Braakman
    • Martino Poggio
    Research
    Nature Nanotechnology
    Volume: 12, P: 150-155

  • The light concentrating properties of single p-i-n GaAs nanowires are shown to result in far greater photocurrent densities than expected under one sun illumination. The results suggest that such cells could in principle operate with power conversion efficiencies beyond the Shockley–Queisser limit.

    • Peter Krogstrup
    • Henrik Ingerslev Jørgensen
    • Anna Fontcuberta i Morral
    Research
    Nature Photonics
    Volume: 7, P: 306-310

  • Current strategies for fabricating quantum dots embedded within nanowires suffer from a number of shortcomings. Now, a versatile self-assembly approach is demonstrated for fabricating core–shell GaAs–AlGaAs nanowires with appealing optical properties.

    • M. Heiss
    • Y. Fontana
    • A. Fontcuberta i Morral
    Research
    Nature Materials
    Volume: 12, P: 439-444

  • The demonstration of strong coupling between electromagnetic fields and excited molecular states represents a powerful new strategy for controlling quantum-mechanical states and chemical reaction dynamics.

    • Anna Fontcuberta i Morral
    • Francesco Stellacci
    News & Views
    Nature Materials
    Volume: 11, P: 272-273

  • The ability to place perfectly aligned vertical nanowires at chosen positions on a silicon substrate is an important challenge in device fabrication. Here, the authors propose a mechanism to explain self-catalyzed III-V nanowire growth on silicon, providing valuable insights for growing high yield nanowire arrays.

    • J. Vukajlovic-Plestina
    • W. Kim
    • A. Fontcuberta i Morral
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • The rational design of catalysts is crucial to make power-to-X technologies viable. Here the authors introduce the delafossite PdCoO2 as a highly active hydrogen evolution reaction catalyst due to the growth of a tensile-strained Pd-rich capping layer under reductive conditions. Image credit: Christop Hohmann.

    • Filip Podjaski
    • Daniel Weber
    • Bettina V. Lotsch
    Research
    Nature Catalysis
    Volume: 3, P: 55-63

  • Carbonization of a self-assembled monolayer of a hexayne amphiphile at the air/water interface at room temperature results in the formation of functional carbon nanosheets. The nanosheets exhibit a molecularly defined thickness, are mechanically self-supporting over several micrometres, and have macroscopic lateral dimensions on the order of centimetres.

    • Stephen Schrettl
    • Cristina Stefaniu
    • Holger Frauenrath
    Research
    Nature Chemistry
    Volume: 6, P: 468-476