X-ray absorption and inelastic scattering studies of single-crystal CeO2

E. Mamontov; T. Egami; W. Dmowski; C. C. Kao

doi:10.1016/S0022-3697(00)00269-9

X-ray absorption and inelastic scattering studies of single-crystal CeO₂

E. Mamontov, T. Egami, W. Dmowski, C. C. Kao

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

8 Scopus citations

Abstract

X-ray absorption and resonant inelastic X-ray scattering measurements were performed on a single crystal of CeO₂ near the Ce L_III edge at room temperature and at 873 K. At 873 K the inelastic spectrum exhibits reversible changes, which are paralleled by reversible changes in the X-ray absorption spectrum. These changes are not due to chemical reduction of the sample, and may be indicative of evolution of the structure of oxygen sublattice in CeO₂ at elevated temperatures.

Original language	English
Pages (from-to)	819-823
Number of pages	5
Journal	Journal of Physics and Chemistry of Solids
Volume	62
Issue number	4
DOIs	https://doi.org/10.1016/S0022-3697(00)00269-9
State	Published - Apr 2001
Externally published	Yes

Funding

The research was supported by the U.S. Department of Energy and the National Science Foundation through the Automotive Initiative Grant DE-FG02-96ER14682.A000. The experiment was carried out at the National Synchrotron Light Source, Brookhaven National Laboratory, which is supported by the U. S. Department of Energy, Division of Materials Sciences and Division of Chemical Sciences.

Funders	Funder number
Division of Chemical Sciences
Division of Materials Sciences
National Science Foundation	A000, DE-FG02-96ER14682
U.S. Department of Energy

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10.1016/S0022-3697(00)00269-9

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abstract = "X-ray absorption and resonant inelastic X-ray scattering measurements were performed on a single crystal of CeO2 near the Ce LIII edge at room temperature and at 873 K. At 873 K the inelastic spectrum exhibits reversible changes, which are paralleled by reversible changes in the X-ray absorption spectrum. These changes are not due to chemical reduction of the sample, and may be indicative of evolution of the structure of oxygen sublattice in CeO2 at elevated temperatures.",

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AU - Dmowski, W.

AU - Kao, C. C.

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AB - X-ray absorption and resonant inelastic X-ray scattering measurements were performed on a single crystal of CeO2 near the Ce LIII edge at room temperature and at 873 K. At 873 K the inelastic spectrum exhibits reversible changes, which are paralleled by reversible changes in the X-ray absorption spectrum. These changes are not due to chemical reduction of the sample, and may be indicative of evolution of the structure of oxygen sublattice in CeO2 at elevated temperatures.

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X-ray absorption and inelastic scattering studies of single-crystal CeO₂

Abstract

Funding

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