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. 2016 May 21;11:259. doi: 10.1186/s11671-016-1472-z

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© Xie et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 9 — TEM image of alumina with different morphology. a Al₂O₃-∞. b Al₂O₃-60. c Al₂O₃-30