Novel phase of solid oxygen induced by ultrahigh magnetic fields

T. Nomura, Y. H. Matsuda, S. Takeyama, A. Matsuo, K. Kindo, J. L. Her, T. C. Kobayashi

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Magnetization measurements and magnetotransmission spectroscopy of the solid oxygen α phase were performed in ultrahigh magnetic fields of up to 193 T. An abrupt increase in magnetization with large hysteresis was observed when pulsed magnetic fields greater than 120 T were applied. Moreover, the transmission of light significantly increased in the visible range. These experimental findings indicate that a first-order phase transition occurs in solid oxygen in ultrahigh magnetic fields, and that it is not just a magnetic transition. Considering the molecular rearrangement mechanism found in the O2-O2 dimer system, we conclude that the observed field-induced transition is caused by the antiferromagnetic phase collapsing and a change in the crystal structure.

Original languageEnglish
Article number247201
JournalPhysical Review Letters
Issue number24
Publication statusPublished - Jun 16 2014

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Cite this

    Nomura, T., Matsuda, Y. H., Takeyama, S., Matsuo, A., Kindo, K., Her, J. L., & Kobayashi, T. C. (2014). Novel phase of solid oxygen induced by ultrahigh magnetic fields. Physical Review Letters, 112(24), [247201].