Volume 14, Issue 42 1870195
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Cerium Valence State Distribution: Atomic-Scale Valence State Distribution inside Ultrafine CeO2 Nanocubes and Its Size Dependence (Small 42/2018)

Xiaodong Hao

Xiaodong Hao

WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577 Japan

Graduate School of Engineering, Tohoku University, Sendai, 980-8577 Japan

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Akira Yoko

Akira Yoko

WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577 Japan

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Chunlin Chen

Chunlin Chen

WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577 Japan

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Kazutoshi Inoue

Kazutoshi Inoue

WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577 Japan

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Mitsuhiro Saito

Mitsuhiro Saito

Institute of Engineering Innovation, The University of Tokyo, Tokyo, 116-0013 Japan

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Gimyeong Seong

Gimyeong Seong

New Industry Creation Hatchery Center, Tohoku University, Sendai, 980-8579 Japan

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Seiichi Takami

Seiichi Takami

Graduate School of Engineering, Nagoya University, Nagoya, 464-8603 Japan

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Tadafumi Adschiri

Tadafumi Adschiri

WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577 Japan

New Industry Creation Hatchery Center, Tohoku University, Sendai, 980-8579 Japan

Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, 980-8577 Japan

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Yuichi Ikuhara

Yuichi Ikuhara

WPI-Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577 Japan

Institute of Engineering Innovation, The University of Tokyo, Tokyo, 116-0013 Japan

Nanostructure Research Laboratory, Japan Fine Ceramics Center, Nagoya, 456-8587 Japan

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First published: 18 October 2018
Citations: 1

Graphical Abstract

In article number 1802915, Tadafumi Adschiri, Yuichi Ikuhara, and co-workers report the atomic-scale analysis of the distribution of cerium valence states in surfactant-modified CeO2 nanocubes using scanning transmission electron microscopy and electron energy loss spectroscopy. A nanosized effect induces local lattice expansion, which results in the increasing amount of Ce3+ cations in the central layer of the ultrafine CeO2 nanocubes.

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