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Visual observation of phase transitions in LiKSO4 under pressure

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Abstract

Phase transitions in LiKSO4 have been visually observed in a diamond-anvil cell up to 16 GPa. The observations confirm a symmetry change at 0·9 GPa and a solidstate crystal to amorphous transition at 12 GPa. The crystal exhibits a memory across the crystalline transitions. Interesting microstructural features were observed in the range of the amorphous phase.

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Authors and Affiliations

  1. High Pressure Physics Division, Bhabha Atomic Research Centre, 400 085, Trombay, Bombay, India

    Hema Sankaran, S K Sikka, A Sequeira & B Fursenko

  2. Solid State Physics Division, Bhabha Atomic Research Centre, 400 085, Trombay, Bombay, India

    A Sequeira

  3. Institute of Geology and Geophysics, Novosibirsk, USSR

    B Fursenko

Authors
  1. Hema Sankaran
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  2. S K Sikka
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  3. A Sequeira
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  4. B Fursenko
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Sankaran, H., Sikka, S.K., Sequeira, A. et al. Visual observation of phase transitions in LiKSO4 under pressure. Bull. Mater. Sci. 14, 1213–1218 (1991). https://doi.org/10.1007/BF02744614

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  • DOI: https://doi.org/10.1007/BF02744614

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