Research articles

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  • Extreme mechanical deformation processes can lead to nanograins in many metals, but the underlying mechanism remains unclear. Nanotwinning-assisted dynamic recrystallization is shown to facilitate grain refinement to the nanoscale at high strains and strain rates.

    • Ahmed A. Tiamiyu
    • Edward L. Pang
    • Christopher A. Schuh
  • A multiscale modelling platform combining nanoscale resonant scattering, mesoscale multiple scattering and macroscale light transport effectively predicts the macroscopic visual effects created by optical metamaterials with disordered nanostructures.

    • Kevin Vynck
    • Romain Pacanowski
    • Philippe Lalanne
  • Volatile organic compounds such as benzene are toxic pollutants that cause health issues even at trace concentrations. Here, a double-walled metal–organic framework is presented that demonstrates high uptake at very low pressures (<10 Pa), allowing the removal of benzene to below acceptable indoor limits.

    • Tao He
    • Xiang-Jing Kong
    • Jian-Rong Li
    Article Open Access
  • Departing from common approaches to designing Floquet topological insulators, here the authors present a photonic realization of Floquet topological insulators revealing topological phases that simultaneously support Chern and anomalous topological states.

    • Georgios G. Pyrialakos
    • Julius Beck
    • Demetrios N. Christodoulides
  • Slit-like nanochannels of pristine graphite and activated carbon, fabricated by van der Waals assembly of pristine or sculpted graphite crystals, enable comprehensive ionic response measurements and the systematic realization of their ion transport properties. These are attributed to optimal combinations of (mobile) surface charge and slippage effects at the channel wall surface in both pristine and activated nanochannels.

    • Theo Emmerich
    • Kalangi S. Vasu
    • Lydéric Bocquet
  • Nanometre-sized clusters can self-organize into centimetre-scale hierarchical structures, mimicking the complex constructions seen in nature and providing a platform to design synthetically directed advanced materials with sophisticated functions.

    • Haixiang Han
    • Shantanu Kallakuri
    • Richard D. Robinson
  • Cu2O is a promising platform to host Rydberg exciton–polaritons, where excitons strongly couple to cavity photons, however their realization has been elusive. Here, the authors report Rydberg exciton–polaritons with principal quantum numbers up to n = 6.

    • Konstantinos Orfanakis
    • Sai Kiran Rajendran
    • Hamid Ohadi
  • Superionic lithium conductivity has only been observed in a few classes of materials, mostly in thiophosphates but rarely in oxides. Corner-sharing connectivity in an oxide crystal structure framework is now shown to promote superionic conductivity.

    • KyuJung Jun
    • Yingzhi Sun
    • Gerbrand Ceder
  • Precise manipulation of colloids and cells is desired for material and life sciences. However, such control remains challenging without material modifications. Here, the authors achieve reversible single-particle manipulation with subwavelength resolution and high throughput using harmonic acoustics.

    • Shujie Yang
    • Zhenhua Tian
    • Tony Jun Huang
  • Semipermeable polymeric anion exchange membranes are essential for separation, filtration and energy conversion technologies such as fuel cells. Quasi-elastic neutron scattering is now used to disentangle water, polymer relaxation and OH diffusional dynamics in a commercially available membrane.

    • Fabrizia Foglia
    • Quentin Berrod
    • Paul F. McMillan