High-pressure Raman study of the perovsk
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S. Loridant; G. Lucazeau
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Article
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1999
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John Wiley and Sons
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English
β 264 KB
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A high-pressure Raman study of BaCeO 3 was performed at room temperature. This perovskite compound undergoes two phase transitions at about 22 and 28 GPa. The increase in the number of bands is an indication that the symmetry is lowered and that the compound does not evolve towards the ideal cubic p