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Compressibility and phase transitions of potassium carbonate at pressures below 30 kbar

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Abstract

The compressibility of γ-K2CO3 within the pressure range of 0.001-23.3 kbar and room temperature was determined by in situ synchrotron powder diffraction measurements in diamond anvil cell. The modification of the diffraction pattern was fixed at P > 23.3 kbar. This modification can be explained by a reconstructive phase transition. The amorphization of the high pressure phase was fixed on decompression.

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Authors and Affiliations

  1. Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    P. N. Gavryushkin, S. V. Rashenko, A. F. Shatskiy & K. D. Litasov

  2. Novosibirsk National Research State University, Novosibirsk, Russia

    P. N. Gavryushkin, S. V. Rashenko, A. F. Shatskiy & K. D. Litasov

  3. Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    A. I. Ancharov

Authors
  1. P. N. Gavryushkin
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  2. S. V. Rashenko
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  3. A. F. Shatskiy
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  4. K. D. Litasov
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  5. A. I. Ancharov
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Correspondence to P. N. Gavryushkin.

Additional information

Translated from Zhurnal Strukturnoi Khimii, Vol. 57, No. 7, pp. 1566-1569, September-October, 2016.

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Gavryushkin, P.N., Rashenko, S.V., Shatskiy, A.F. et al. Compressibility and phase transitions of potassium carbonate at pressures below 30 kbar. J Struct Chem 57, 1485–1488 (2016). https://doi.org/10.1134/S0022476616070258

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  • DOI: https://doi.org/10.1134/S0022476616070258

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