Synthesis of BaTiO3/Ag nanocomposites using a sonochemical process and low-temperature sintering

Yamato Hayashi, Tatsuya Shishido, Kento Seki, Hirotsugu Takizawa

研究成果: ジャーナルへの寄稿学術論文査読

抄録

A barium titanium oxide/silver (BaTiO3/Ag) nanocomposite powder was synthesized using a sonochemical process. By irradiating an ethanol solution of BaTiO3 and silver oxide (Ag2O), Ag2O thermally decomposed at 40°C and Ag-loaded BaTiO3 nanocomposites powder was obtained. Nanocomposites containing 30 vol% Ag sintered at 1000°C showed near densities and higher dielectric constants compared to those of BaTiO3 sintered at 1300°C. Moreover, percolation did not occur because the Ag nanoparticles were uniformly dispersed and loaded onto the surface of BaTiO3. This sonochemical method is expected to be a new process for obtaining uniformly dispersed and loaded nanocomposite powders without percolation, even in large amounts.

本文言語英語
ページ(範囲)464-471
ページ数8
ジャーナルJournal of Asian Ceramic Societies
11
4
DOI
出版ステータス出版済み - 2023

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