Fractal Analysis of Percolating Clusters with Chainlike Structures Formed in Polymer Matrix

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概要

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• We investigate the microstructures of a recently developed tin oxide/polymer film [A. Wakabayashi et al.: Langmuir 23 (2007) 7990] by focused ion beam/transmission electron microscopy (FIB/TEM). The box-counting method is applied to microscopic images of composite layers with different tin oxide concentrations. The analysis indicates that chainlike clusters consisting of tin oxide nanoparticles and tin-oxide-depleted areas are formed in the layers. When the tin oxide concentration is decreased, the tin-oxide-depleted areas increase. However, the chainlike clusters maintain a similar fractal structure with dimensionality $D\sim 1.4$, irrespective of the tin oxide concentration. These results are consistent with the electroconductive behavior and the transparency of the film.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2008-02-25

著者

• Ogawa Tomohiro

  Department Of Hepatology Osaka City University Graduate School Of Medicine

• DOBASHI Toshiaki

  Department of Biological and Chemical Engineering, Faculty of Engineering, Gunma University

• Tajima Masahiro

  Department Of Applied Chemistry Faculty Of Engineering Toyo University

• Yamamoto Takao

  Department Of Nuclear Engineering Osaka University

• Wakabayashi Atsumi

  Advanced Materials Division, Sumitomo Osaka Cement Co., Ltd., Funabashi, Chiba 274-8601, Japan

• Dobashi Toshiaki

  Department of Biological and Chemical Engineering, Faculty of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan

• Ogawa Tomohiro

  Department of Biological and Chemical Engineering, Faculty of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan

• Tajima Masahiro

  Department of Biological and Chemical Engineering, Faculty of Engineering, Gunma University, Kiryu, Gunma 376-8515, Japan

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