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Chinese Journal of High Pressure Physics  > 1988  >  2(1): 67-72 .
ZHANG Jin-Long, ZHOU Jian-Shi, SU Wen-Hui. A Study on High-Pressure Syntheses and Properties of La1-xSrxCoO3 Series[J]. Chinese Journal of High Pressure Physics, 1988, 2(1): 67-72 . doi: 10.11858/gywlxb.1988.01.009
Citation: ZHANG Jin-Long, ZHOU Jian-Shi, SU Wen-Hui. A Study on High-Pressure Syntheses and Properties of La1-xSrxCoO3 Series[J]. Chinese Journal of High Pressure Physics, 1988, 2(1): 67-72 . doi: 10.11858/gywlxb.1988.01.009
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A Study on High-Pressure Syntheses and Properties of La1-xSrxCoO3 Series

doi: 10.11858/gywlxb.1988.01.009

  • Research Group of Rare Earth Solid State Physics, Jilin University, Changchun 130023, China

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  • Corresponding author: ZHANG Jin-Long
  • Received Date: 19 Sep 1987
  • Rev Recd Date: 19 Sep 1987
  • Publish Date: 05 Mar 1988
    Abstract
  • By using the high-pressure method for the first time, the series of compounds La1-xSrxCoO3 (x=0.0, 0.2, 0.3, 0.4, 0.6, 0.8 and 1.0) have been synthesized at the condition of 2.6 GPa/1 050 ℃/40 min. After the study of their structure transformation, distortions and oxygen vacancies and the discussion of Valence changes, the conclusion that high pressure decreases the oxygen vacancy and results in some Co ions in low valence state hase been obtained. The effects of the factors mentioned aboved on the properties of electric conductivity and catalysis have also been discussed.

     

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