(Tb, Ce)-LIII XAS high pressure study of tetravalent BaTbO3 and SrCeO3

J. Dumschat; R. Lübbers; I. Felner; G. Lucazeau; G. Wortmann

doi:10.1051/jp4:19972124

(Tb, Ce)-L_III XAS high pressure study of tetravalent BaTbO₃ and SrCeO₃

J. Dumschat^*
, R. Lübbers
, I. Felner
, G. Lucazeau
, G. Wortmann

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

We have studied the Tb- and Ce-L_III 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 crystal-field splitting with pressure, the EXAFS spectra indicate an approach towards an undistorted perovskite structure with pressure.

Original language	English
Pages (from-to)	C2-1019
Journal	Journal De Physique. IV : JP
Volume	7
Issue number	2 Part 2
DOIs	https://doi.org/10.1051/jp4:19972124
State	Published - 1997

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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 crystal-field splitting with pressure, the EXAFS spectra indicate an approach towards an undistorted perovskite structure with pressure.",

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AU - Dumschat, J.

AU - Lübbers, R.

AU - Felner, I.

AU - Lucazeau, G.

AU - Wortmann, G.

PY - 1997

Y1 - 1997

N2 - 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 crystal-field splitting with pressure, the EXAFS spectra indicate an approach towards an undistorted perovskite structure with pressure.

AB - 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 crystal-field splitting with pressure, the EXAFS spectra indicate an approach towards an undistorted perovskite structure with pressure.

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JF - Journal De Physique. IV : JP

IS - 2 Part 2

ER -

(Tb, Ce)-L_III XAS high pressure study of tetravalent BaTbO₃ and SrCeO₃

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