Nanoscale heterogeneities in CeO2–ZrO2 nanocrystals highlighted by UV-resonant Raman spectroscopy

Takaaki Taniguchi; Tomoaki Watanebe; Satoshi Ichinohe; Masahiro Yoshimura; Ken-ichi Katsumata; Kiyoshi Okada; Nobuhiro Matsushita

doi:10.1039/C0NR00040J

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Nanoscale heterogeneities in CeO₂–ZrO₂nanocrystals highlighted by UV-resonant Raman spectroscopy†

Takaaki Taniguchi,^a Tomoaki Watanebe,^b Satoshi Ichinohe,^b Masahiro Yoshimura,^a Ken-ichi Katsumata,^a Kiyoshi Okada^a and Nobuhiro Matsushita*^a

Author affiliations

* Corresponding authors

^a Materials and Structures Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, Japan

^b Department of Applied Chemistry, School of Science and Technology, Meiji University, 1-1-1 Higashimita, Tama-ku, Kawasaki, Japan

Abstract

Selection of the excitation wavelength at nonresonant and resonant Raman conditions provided detection selectivity in the tetragonal and cubic phases in CeO₂–ZrO₂ nanocrystals, respectively. It was suggested that cubic-phase domains containing Ce³⁺ deficiencies were involved in the tetragonal-phase matrix.

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Supplementary files

Preparation procedures and measurement conditions PDF (275K)

Article information

DOI: https://doi.org/10.1039/C0NR00040J
Article type: Communication
Submitted: 20 Jan 2010
Accepted: 06 Apr 2010
First published: 20 May 2010

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Nanoscale, 2010,2, 1426-1428

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Nanoscale heterogeneities in CeO₂–ZrO₂ nanocrystals highlighted by UV-resonant Raman spectroscopy

T. Taniguchi, T. Watanebe, S. Ichinohe, M. Yoshimura, K. Katsumata, K. Okada and N. Matsushita, Nanoscale, 2010, 2, 1426 DOI: 10.1039/C0NR00040J

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