期刊
PHYSICA SCRIPTA
卷 92, 期 3, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1402-4896/aa547f
关键词
reverse Monte Carlo; ceria; neutron total scattering; EXAFS
资金
- EPSRC
- Johnson Matthey Plc
- Engineering and Physical Sciences Research Council [1360042, 1635837] Funding Source: researchfish
A reverse Monte Carlo analysis method was employed to extract the structure of CeO2 from Neutron total scattering (comprising both neutron diffraction (ND) and pair-distribution functions (PDF) and Ce L-3- and K-edge EXAFS data. Here it is shown that there is a noticeable difference between using short ranged x-ray absorption spectroscopy data and using medium-long range PDF and ND data in regards to the disorder of the cerium atoms. This illustrates the importance of considering multiple length scales and radiation sources.
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