Advanced Multifunctional Sensors on Amorphous Carbon-Based Nanocomposites(International Workshop on Smart Materials and Structural Systems, W03 Jointly organized by Material & Processing Division, Material & Mechanics Division, Dynamics & Control Division
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概要
- 論文の詳細を見る
From the first synthesis of amorphous carbon films by Aisenberg and Chabot [1], Diamond-like Carbon (DLC) films are widely used as protective insulating coatings due to their attractive properties, such as high hardness, low friction coefficient, chemical stability, biocompatibility, etc. The above properties of DLC films are strongly dependent on deposition conditions and post-deposition heat treatment as well. Relatively recently it was shown that above properties can be modified also by doping of the films by different elements. The doped DLC, which can be related to a class of nanocomposites, possess the new interesting properties. Among others the enhanced adhesion to a variety of materials and relatively high conductivity in metal-containing diamond-like nanocomposites (Me-DLN) close to the value typical for the amorphous metals were observed [2],In this paper the results of recently initiated experiments on characterization of Me-DLN films as temperature sensors are presented. The experimental dependences of the conductivity on temperature in the temperature range 80-400 K and metal concentration range 12-38 at. % are well explained in the framework of the model of inelastic tunneling of electrons between metal clusters dispersed in amorphous insulating matrix. The observed power-law character of the conductivity-temperature dependences allows to expect the successful application of the investigated Me-DLN films as temperature sensors.
- 一般社団法人日本機械学会の論文
- 2004-09-04
著者
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Miki Hiroyuki
Institute Of Fluid Science Tohoku University
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Takagi Tosihyuki
Institute Of Fluid Science Tohoku University
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Bozhko Alexei
Physics Department Noscow State University
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Takeno Takanori
Graduate School of Engineering, Tohoku University
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Miki Hiroyuki
Institute of Fluid Science, Tohoku University
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