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Nanocrystalline Cu2O prepared under high pressures

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Abstract

The effect of high pressure on the structure of Cu2O is investigated. Polycrystalline samples are treated during different periods of time at different temperatures and pressures in the vicinity of the kinetic curve of the decomposition Cu2O → Cu+CuO. The structure of the samples subjected to thermobaric treatment is characterized by x-ray diffraction, electron diffraction structural analysis, and electron microscopy at atmospheric pressure. It is found that, upon treatment of Cu2O at temperatures and pressures close to the decomposition region, the microstructure undergoes a transformation into the nanocrystalline state.

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Authors and Affiliations

  1. Institute of Solid-State Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    E. G. Ponyatovskii, G. E. Abrosimova, A. S. Aronin, V. I. Kulakov, I. V. Kuleshov & V. V. Sinitsyn

Authors
  1. E. G. Ponyatovskii
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  2. G. E. Abrosimova
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  3. A. S. Aronin
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  4. V. I. Kulakov
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  5. I. V. Kuleshov
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  6. V. V. Sinitsyn
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__________

Translated from Fizika Tverdogo Tela, Vol. 44, No. 5, 2002, pp. 820–823.

Original Russian Text Copyright © 2002 by Ponyatovski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \), Abrosimova, Aronin, Kulakov, Kuleshov, Sinitsyn.

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Ponyatovskii, E.G., Abrosimova, G.E., Aronin, A.S. et al. Nanocrystalline Cu2O prepared under high pressures. Phys. Solid State 44, 852–856 (2002). https://doi.org/10.1134/1.1477483

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  • DOI: https://doi.org/10.1134/1.1477483

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