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Showing 1–7 of 7 results
Advanced filters: Author: Ivan A. Troyan Clear advanced filters

  • Two physicists say they have forced hydrogen to become an exotic metal thought to exist only in the hearts of giant planets. Now they must face their critics.

    • Ivan Amato
    News
    Nature
    Volume: 486, P: 174-176

  • The discovery of a superconducting temperature of roughly 200 K in hydrogen sulfide has attracted widespread attention. Now, the crystal structure of this system is elucidated experimentally.

    • Mari Einaga
    • Masafumi Sakata
    • Yasuo Ohishi
    Research
    Nature Physics
    Volume: 12, P: 835-838

    • Hongbo Wang
    • Mikhail I. Eremets
    • Luc Vereecken
    ResearchOpen Access
    Scientific Reports
    Volume: 5, P: 1-8

  • Molecular hydrogen is expected to display metallic properties under high pressures, but so far experiments performed at low temperatures ( 100 K) have showed that hydrogen remains insulating up to 300 GPa. A transformation of normal molecular hydrogen to a conductive and metallic state at room temperature is now observed above 220 GPa.

    • M. I. Eremets
    • I. A. Troyan
    Research
    Nature Materials
    Volume: 10, P: 927-931

  • The physics of NiO under applied pressure has long been debated and the material has been a key contributor to our understanding of Mott insulators and strongly correlated materials more generally. Here, the authors perform high-pressure X-ray diffraction measurements reporting a pressure-induced structural phase transition for NiO, which they suggest is linked with the metal-insulator transition of this system.

    • Alexander G. Gavriliuk
    • Viktor V. Struzhkin
    • Wolfgang Morgenroth
    ResearchOpen Access
    Communications Physics
    Volume: 6, P: 1-8