Average and local structures of κ-phase CeZrO4 crystals by neutron powder diffraction

Takeshi Matsukawa; Takashi Honda; Hidetoshi Ohshita; Toshiya Otomo; Toru Ishigaki

doi:10.1039/C9CE01226E

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Average and local structures of κ-phase CeZrO₄ crystals by neutron powder diffraction†‡

Takeshi Matsukawa,

*^a Takashi Honda,

^b Hidetoshi Ohshita,

^b Toshiya Otomo

^bc and Toru Ishigaki^a

Author affiliations

* Corresponding authors

^a Frontier Research Center for Applied Atomic Sciences, Ibaraki University, 162-1, Shirakata, Tokai, Ibaraki 319-1106, Japan
E-mail: takeshi.matsukawa.ifrc@vc.ibaraki.ac.jp
Fax: +81 29 287 7872
Tel: +81 29 352 3234

^b Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba, Ibaraki 305-0801, Japan

^c Graduate School of Science and Engineering, Ibaraki University, Hitachi, Ibaraki 316-8511, Japan

Abstract

The average and local structures of κ-phase CeZrO₄ (κ-CZ) were evaluated by neutron powder diffraction measurements. Based on Rietveld and pair distribution function analyses, κ-CZ was composed of a double phase with both an oxygen-deficient cubic structure (P2₁3) of CeZrO_3.82(2) and a non-deficient trigonal structure (R [3 with combining macron] m) of CeZrO₄.

$Graphical abstract: Average and local structures of κ-phase CeZrO4 crystals by neutron powder diffraction$

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Article information

DOI: https://doi.org/10.1039/C9CE01226E
Article type: Communication
Submitted: 05 Aug 2019
Accepted: 17 Sep 2019
First published: 15 Oct 2019

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CrystEngComm, 2019,21, 6335-6339

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Average and local structures of κ-phase CeZrO₄ crystals by neutron powder diffraction

T. Matsukawa, T. Honda, H. Ohshita, T. Otomo and T. Ishigaki, CrystEngComm, 2019, 21, 6335 DOI: 10.1039/C9CE01226E

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