Sayeed, Ahmed and Subramanyam, SV and Ramesh, TG and Shubha, V (1994) TEP measurements on amorphous carbon conducting. In: Proceedings of the National Conference on High Pressure Science and Technology, 10-11 Oct 1994, Bangalore, India.
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Abstract
TEP measurements were done 011 amorphous conducting carbon films obtained by pyrolysis of PTCDA. The measurements were made in the temperature range 100 to 300quot;C,at three different pressures (5,lO and 20 kbar).It was observed that the TEP gradually changes from negative to positive values,crossing zero at about 225xB0;C. This shows that the relative concentration of holes over that of electrons increases with temperature, holes predominating after about 225OC.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | TEP;PTCDA;pyrolysis;Microscopic structure;Crystalline |
| Subjects: | PHYSICS > Physics(General) |
| Division/Department: | Other, Materials Science Division, Materials Science Division, Materials Science Division |
| Depositing User: | M/S ICAST NAL |
| Date Deposited: | 22 Jul 2008 |
| Last Modified: | 17 Jun 2010 14:02 |
| URI: | http://nal-ir.nal.res.in/id/eprint/4916 |
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