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Structural and electrical properties of amorphous carbon-sulfur composite films

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Abstract

In this paper, we discuss the synthesis of carbon-sulfur composite (a-C:S) films by vapour phase pyrolysis of maleic anhydride and sulfur. Structural changes in the system are analysed by scanning electron microscopy and powder X-ray diffraction. Microhardness test depicts an increase in the value of hardness with an increase in sulfur concentration. Electrical conductivity of composite samples varies with sulfur concentration. Magnetoresistance (MR) measurements show a drastic increase in the value of MR for the samples prepared at < 900°C. Thermal stability of these samples is analysed by thermogravimetric analysis, which depends on the host structure and the amount of intercalated species.

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  1. Department of Physics, Indian Institute of Science, 560 012, Bangalore, India

    Latha Kumari & S. V. Subramanyam

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  1. Latha Kumari
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  2. S. V. Subramanyam
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Kumari, L., Subramanyam, S.V. Structural and electrical properties of amorphous carbon-sulfur composite films. Bull Mater Sci 27, 289–294 (2004). https://doi.org/10.1007/BF02708519

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  • DOI: https://doi.org/10.1007/BF02708519

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