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タイトル: Selective control of fcc and hcp crystal structures in Au–Ru solid-solution alloy nanoparticles
著者: Zhang, Quan
Kusada, Kohei  kyouindb  KAKEN_id
Wu, Dongshuang
Yamamoto, Tomokazu
Toriyama, Takaaki
Matsumura, Syo
Kawaguchi, Shogo
Kubota, Yoshiki
Kitagawa, Hiroshi  kyouindb  KAKEN_id
著者名の別形: 張, 権
草田, 康平
松村, 晶
北川, 宏
キーワード: Nanoparticles
Solid-state chemistry
Synthesis and processing
発行日: 6-Feb-2018
出版者: Springer Nature
誌名: Nature Communications
巻: 9
論文番号: 510
抄録: Binary solid-solution alloys generally adopt one of three principal crystal lattices—body-centred cubic (bcc), hexagonal close-packed (hcp) or face-centred cubic (fcc) structures—in which the structure is dominated by constituent elements and compositions. Therefore, it is a significant challenge to selectively control the crystal structure in alloys with a certain composition. Here, we propose an approach for the selective control of the crystal structure in solid-solution alloys by using a chemical reduction method. By precisely tuning the reduction speed of the metal precursors, we selectively control the crystal structure of alloy nanoparticles, and are able to selectively synthesize fcc and hcp AuRu3 alloy nanoparticles at ambient conditions. This approach enables us to design alloy nanomaterials with the desired crystal structures to create innovative chemical and physical properties.
記述: ナノ合金の画期的な結晶構造制御法の開発に成功 --革新的材料の創製へ--. 京都大学プレスリリース. 2018-02-06.
著作権等: © The Author(s) 2018. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
URI: http://hdl.handle.net/2433/229016
DOI(出版社版): 10.1038/s41467-018-02933-6
関連リンク: http://www.kyoto-u.ac.jp/ja/research/research_results/2017/180206_1.html
出現コレクション:学術雑誌掲載論文等

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