Tb, Ce-LIII XAS High Pressure Study of Tetravalent BaTbO3 and SrCeO3Report as inadecuate




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Abstract : We have studied the Tb- and Ce-LIII XAS of distorted-perovskite type BaTbO3 and SrCeO3 at pressure up to 20 GPa using a diamond anvil cell. While the XANES spectra of both tetravalent systems monitor an increase of hybridization and crystalfield splitting with pressure, the EXAFS spectra indicate an approach towards an undistorted perovskite structure with pressure.





Author: J. Dumschat R. Lübbers I. Felner G. Lucazeau G. Wortmann

Source: https://hal.archives-ouvertes.fr/



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