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Showing 1–6 of 6 results
Advanced filters: Author: Florian Trybel Clear advanced filters

  • The ζ-N2 phase is key for comprehending the pressure-driven molecular to polymeric shift in nitrogen. Here, the authors resolved the crystal structure of ζ-N2 and identified a gradual delocalization of its electronic density under pressure, culminating in the initiation of nitrogen’s polymerization.

    • Dominique Laniel
    • Florian Trybel
    • Natalia Dubrovinskaia
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • Pressures of up to 900 gigapascals (9 million atmospheres) are achieved in a laser-heated double-stage diamond cell, enabling the synthesis of Re7N3, and materials characterization is performed in situ using single-crystal X-ray diffraction.

    • Leonid Dubrovinsky
    • Saiana Khandarkhaeva
    • Natalia Dubrovinskaia
    ResearchOpen Access
    Nature
    Volume: 605, P: 274-278

  • The lanthanum-hydrogen system has attracted attention following the observation of superconductivity in LaH10 at near-ambient temperatures and high pressures. Here authors describe the high-pressure syntheses of seven La-H phases; they report crystal structures and remarkable regularities in rare-earth element hydrides.

    • Dominique Laniel
    • Florian Trybel
    • Natalia Dubrovinskaia
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-9

  • Aromatic polynitrogen units can display both high stability and high energy content. A hexazine anion has now been identified in a complex compound, K9N56, which is formed at high pressures and temperatures under laser-heating in a diamond anvil cell. The [N6]4− ring is planar and proposed to be aromatic.

    • Dominique Laniel
    • Florian Trybel
    • Natalia Dubrovinskaia
    Research
    Nature Chemistry
    Volume: 15, P: 641-646

  • Solid hydrogen has increasingly hindered rotation under high pressure, but the effect on spin isomer populations had not been directly probed. Here the authors measure NMR spectra of solid hydrogen up to the megabar, and observe the crossover to a spin 1/2 dipolar system above 70 GPa where distinction between ortho and para spin isomers is lost.

    • Thomas Meier
    • Dominique Laniel
    • Leonid Dubrovinsky
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7