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One-step solution combustion synthesis of K0.5Na0.5NbO3 powders at a large-scale

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Title: One-step solution combustion synthesis of K0.5Na0.5NbO3 powders at a large-scale
Authors: Sheng, Nan Browse this author
Han, Cheng-gong Browse this author
Zhu, Chunyu Browse this author →KAKEN DB
Akiyama, Tomohiro Browse this author →KAKEN DB
Keywords: Solution combustion synthesis
Oxide
KNN
Piezoelectric
Ceramic powder
Issue Date: 15-Oct-2018
Publisher: Elsevier
Journal Title: Ceramics international
Volume: 44
Issue: 15
Start Page: 18279
End Page: 18284
Publisher DOI: 10.1016/j.ceramint.2018.07.039
Abstract: In this work, fine powders of K0.5Na0.5NbO3 (KNN) are produced by a single step of solution combustion synthesis (SCS) using glycine as the reductant fuel and potassium & sodium nitrates as the oxidizers, which are mixed with niobium oxide. Single phase of KNN products can be successfully prepared in a one-step SCS by adjusting the glycine-nitrate ratio. It is concluded that the stoichiometric or slightly fuel-excess condition is good for the single step production of KNN. The one-step SCS of KNN also shows good scaling-up productivity, which can be ignited by both electric heating and microwave heating. This work may provide a feasible large-scale production of various functional oxides by a one-step SCS process.
Rights: © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-nd/4.0/
Type: article (author version)
URI: http://hdl.handle.net/2115/79533
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 朱 春宇

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