Detection of hydroxyl and hydride functional groups in a ceria crystal under hydrogen reduction

Takeshi Matsukawa; Kazuki Iida; Mitsutaka Nakamura; Toru Ishigaki

doi:10.1039/D1CE00130B

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Detection of hydroxyl and hydride functional groups in a ceria crystal under hydrogen reduction†

Takeshi Matsukawa,

*^a Kazuki Iida,

^b Mitsutaka Nakamura

^c 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 Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society, 162-1 Shirakata, Tokai, Ibaraki 319-1106, Japan

^c J-PARC Center, Japan Atomic Energy Agency (JAEA), Tokai, Ibaraki 319-1195, Japan

Abstract

Neutron powder diffraction analysis revealed that ceria transformed into the oxyhydroxide structure by hydrogen treatment. Due to detection of the vibrational modes of both OH and CeH functional groups by inelastic neutron scattering measurements, the CeH functional group was revealed to possibly exist in ceria as an aperiodic structure.

This article is part of the themed collection: Crystal Engineering Techniques

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Article information

DOI: https://doi.org/10.1039/D1CE00130B
Article type: Communication
Submitted: 28 Jan 2021
Accepted: 13 Mar 2021
First published: 17 Mar 2021

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CrystEngComm, 2021,23, 2355-2359

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Detection of hydroxyl and hydride functional groups in a ceria crystal under hydrogen reduction

T. Matsukawa, K. Iida, M. Nakamura and T. Ishigaki, CrystEngComm, 2021, 23, 2355 DOI: 10.1039/D1CE00130B

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CrystEngComm

Detection of hydroxyl and hydride functional groups in a ceria crystal under hydrogen reduction†

Abstract

Supplementary files

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Detection of hydroxyl and hydride functional groups in a ceria crystal under hydrogen reduction

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