Oxygen-vacancy ordering at surfaces of lithium manganese(III,IV) oxide spinel nanoparticles

Rong Huang, Yumi Ikuhara, Teruyasu Mizoguchi, Scott Findlay, Akihide Kuwabara, Craig Fisher, Hiroki Moriwake, Hideki Oki, Tsukasa Hirayama, Yuichi Ikuhara

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Abstract

(Figure Presented) Direct observation of light elements (Li and O) in oxygen-deficient lithium manganese spinel by spherical aberrationcorrected scanning transmission electron microscopy is reported. A previously unknown ordered structure was revealed by annular dark-field (ADF) imaging of oxygen columns, while Li ions are visualized successfully by annular bright-field (ABF) imaging (see picture).
Original languageEnglish
Pages (from-to)3053 - 3057
Number of pages5
JournalAngewandte Chemie - International Edition
Volume50
Issue number13
DOIs
Publication statusPublished - 2011
Externally publishedYes

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