Volume 3, Issue 6, December 2014, Page: 75-88
Electrical Property of Laser-Sintered Nanopastes with Reduced Metal Nanoparticles Prepared by Laser Ablation in Liquids
Taku Saiki , Department of Electrical and Electronic Engineering, Faculty of Engineering Science, Kansai University, 3-3-35 Yamate, Suita, Osaka, Japan
Yukio Iida , Department of Electrical and Electronic Engineering, Faculty of Engineering Science, Kansai University, 3-3-35 Yamate, Suita, Osaka, Japan
Kennan Ri , Department of Electrical and Electronic Engineering, Faculty of Engineering Science, Kansai University, 3-3-35 Yamate, Suita, Osaka, Japan
Marina Yoshida , Department of Electrical and Electronic Engineering, Faculty of Engineering Science, Kansai University, 3-3-35 Yamate, Suita, Osaka, Japan
Yuuki Koga , Department of Electrical and Electronic Engineering, Faculty of Engineering Science, Kansai University, 3-3-35 Yamate, Suita, Osaka, Japan
Received: Dec. 1, 2014;       Accepted: Dec. 9, 2014;       Published: Dec. 18, 2014
DOI: 10.11648/j.am.20140306.13      View  2914      Downloads  228
Abstract
Reduced iron, aluminum, copper, and magnesium nanoparticles were produced from iron oxide (Fe3O4), aluminum oxide (Al2O3), copper oxide (CuO), and magnesium oxide (MgO) powders by using laser ablation in liquids, and nanopastes were synthesized with the reduced iron, aluminum, copper, and magnesium nanoparticles. The nanopastes were sintered by using a continuous-wave fiber laser in air atmosphere. The laser-sintered nanopastes consist of polycrystalline metal. The structures of the laser-sintered metal nanopastes were analyzed by SEM and EDX, and their resistivities were evaluated by four-terminal method. The metal nanopastes sintered by hot plate have 2.5- to 11-times-higher resistivities than those of common metals fabricated in blast furnaces. Moreover, the laser-sintered metal nanopastes have 9.5- to 45-times-higher resistivities than those of common metals fabricated in blast furnaces.
Keywords
Polycrystalline Metal, Laser Sintering, Metal Nanopaste, Laser Ablation in Liquids
To cite this article
Taku Saiki , Yukio Iida , Kennan Ri , Marina Yoshida , Yuuki Koga , Electrical Property of Laser-Sintered Nanopastes with Reduced Metal Nanoparticles Prepared by Laser Ablation in Liquids, Advances in Materials. Vol. 3, No. 6, 2014, pp. 75-88. doi: 10.11648/j.am.20140306.13
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