Kumari, Latha and Subramanyam, SV (2004) Structural and electrical properties of amorphous carbon–sulfur composite films. In: Bulletin of Materials Science, 27 (3). 289–294.
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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.
| Item Type: | Journal Article |
|---|---|
| Publication: | Bulletin of Materials Science |
| Additional Information: | This article ciopyright belongs to Indian Academy of Sciences |
| Keywords: | Amorphous carbon films; pyrolysis; scanning electron microscopy; electrical properties; thermal analysis. |
| Department/Centre: | Division of Physical & Mathematical Sciences > Physics |
| Date Deposited: | 26 Jun 2007 |
| Last Modified: | 27 Aug 2008 12:52 |
| URI: | http://eprints.iisc.ac.in/id/eprint/11229 |
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