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Title: Synthesis of cerium oxide (CeO 2) by co-precipitation for application as a reference material for X-ray powder diffraction peak widths

Abstract

Several methods can be used to obtain, from powder diffraction patterns, crystallite size and lattice strain of polycrystalline samples. Some examples are the Scherrer equation, Williamson–Hall plots, Warren/Averbach Fourier decomposition, Whole Powder Pattern Modeling, and Debye function analysis. To apply some of these methods, it is necessary to remove the contribution of the instrument to the widths of the diffraction peaks. Nowadays, one of the main samples used for this purpose is the LaB6 SRM660b commercialized by the National Institute of Standard Technology; the width of the diffraction peak of this sample is caused only by the instrumental apparatus. However, this sample can be expensive for researchers in developing countries. In this work, the authors present a simple route to obtain micron-sized polycrystalline CeO 2that have a full width at half maximum comparable with the SRM660b and therefore it can be used to remove instrumental broadening.

Authors:
; ORCiD logo; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org.:
FOREIGN
OSTI Identifier:
1436797
Resource Type:
Journal Article
Journal Name:
Powder Diffraction
Additional Journal Information:
Journal Volume: 33; Journal Issue: 01; Journal ID: ISSN 0885-7156
Publisher:
Cambridge University Press
Country of Publication:
United States
Language:
ENGLISH

Citation Formats

de Lima Batista, Anderson Márcio, Miranda, Marcus Aurélio Ribeiro, Martins, Fátima Itana Chaves Custódio, Morilla Santos, Cássio, and Sasaki, José Marcos. Synthesis of cerium oxide (CeO2) by co-precipitation for application as a reference material for X-ray powder diffraction peak widths. United States: N. p., 2018. Web. doi:10.1017/S0885715617001208.
de Lima Batista, Anderson Márcio, Miranda, Marcus Aurélio Ribeiro, Martins, Fátima Itana Chaves Custódio, Morilla Santos, Cássio, & Sasaki, José Marcos. Synthesis of cerium oxide (CeO2) by co-precipitation for application as a reference material for X-ray powder diffraction peak widths. United States. doi:10.1017/S0885715617001208.
de Lima Batista, Anderson Márcio, Miranda, Marcus Aurélio Ribeiro, Martins, Fátima Itana Chaves Custódio, Morilla Santos, Cássio, and Sasaki, José Marcos. Sun . "Synthesis of cerium oxide (CeO2) by co-precipitation for application as a reference material for X-ray powder diffraction peak widths". United States. doi:10.1017/S0885715617001208.
@article{osti_1436797,
title = {Synthesis of cerium oxide (CeO2) by co-precipitation for application as a reference material for X-ray powder diffraction peak widths},
author = {de Lima Batista, Anderson Márcio and Miranda, Marcus Aurélio Ribeiro and Martins, Fátima Itana Chaves Custódio and Morilla Santos, Cássio and Sasaki, José Marcos},
abstractNote = {Several methods can be used to obtain, from powder diffraction patterns, crystallite size and lattice strain of polycrystalline samples. Some examples are the Scherrer equation, Williamson–Hall plots, Warren/Averbach Fourier decomposition, Whole Powder Pattern Modeling, and Debye function analysis. To apply some of these methods, it is necessary to remove the contribution of the instrument to the widths of the diffraction peaks. Nowadays, one of the main samples used for this purpose is the LaB6 SRM660b commercialized by the National Institute of Standard Technology; the width of the diffraction peak of this sample is caused only by the instrumental apparatus. However, this sample can be expensive for researchers in developing countries. In this work, the authors present a simple route to obtain micron-sized polycrystalline CeO2that have a full width at half maximum comparable with the SRM660b and therefore it can be used to remove instrumental broadening.},
doi = {10.1017/S0885715617001208},
journal = {Powder Diffraction},
issn = {0885-7156},
number = 01,
volume = 33,
place = {United States},
year = {2018},
month = {1}
}

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