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Showing 1–8 of 8 results
Advanced filters: Author: Natalia Bykova Clear advanced filters

  • The study of materials at high pressure has been limited by the conditions achievable using single-crystal diamond anvils. The use of anvils that incorporate a second stage consisting of two hemispherical nanocrystalline diamond micro-balls, extends the range of static pressures that can be generated in the lab.

    • Leonid Dubrovinsky
    • Natalia Dubrovinskaia
    • Artem M Abakumov
    ResearchOpen Access
    Nature Communications
    Volume: 3, P: 1-7

  • The chemical stability of alkali halides has caused them to be exploited as inert media in high-pressure, high-temperature experiments. Here, NaCl and KCl are unexpectedly found to react with yttrium, dysprosium and iron oxide in a laser-heated diamond anvil cell, producing Y2Cl, DyCl, Y2ClC and Dy2ClC at ~40 GPa and 2000 K and FeCl2 at ~160 GPa and 2100 K.

    • Yuqing Yin
    • Fariia I. Akbar
    • Natalia Dubrovinskaia
    ResearchOpen Access
    Communications Chemistry
    Volume: 5, P: 1-6

  • The Ediacara biota—the first large, complex organisms to evolve on Earth—disappeared prior to the radiation of animals during the Cambrian Period. Here, Muscente et al. perform network analysis of Ediacaran fossils and show that there were two global extinction events before the Cambrian radiation.

    • A. D. Muscente
    • Natalia Bykova
    • Andrew H. Knoll
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-15

  • Polynitrogen compounds are potentially promising high energy density materials, but are difficult to synthesize due to their instability. Here, the authors observe the formation, under high pressure, of a Mg2N4 magnesium–tetranitrogen salt which remains stable at ambient conditions.

    • Dominique Laniel
    • Bjoern Winkler
    • Natalia Dubrovinskaia
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • Structural studies of pyrene, a polycyclic aromatic hydrocarbon, have so far been limited to below 2 GPa. Here, studying the crystal structure of pyrene up to ~35 GPa using in situ single-crystal synchrotron X-ray diffraction in diamond anvil cells, the authors discover two previously unobserved polymorphs, and find that gradual compression results in continuous compaction of molecular packing, eventually leading to a curvature of the molecules.

    • Wenju Zhou
    • Yuqing Yin
    • Natalia Dubrovinskaia
    ResearchOpen Access
    Communications Chemistry
    Volume: 7, P: 1-12