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Low temperature conductivity of irradiated amorphous conducting carbon

Sayeed, A and Meenakshi, V and Bhattacharya, S and Subramanyam, SV and Kanjilal, D (1996) Low temperature conductivity of irradiated amorphous conducting carbon. In: Vaccum, 47 (11). pp. 1281-1283.

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Conducting carbon films prepared by pyrolysis of perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) were subjected to high energy ion irradiation with I13+ ions (170 MeV). Different doses in the range 10(11)-10(13) were used. XRD observation (at room temperature) and electrical conductivity measurements down to 6.3 K were carried out on These films before and after irradiation. XRD shows that the structure remained amorphous as before. The temperature dependence of conductivity showed an interesting change below about 20 K, suggesting an emergence of a mobility gap in the electronic structure

Item Type: Journal Article
Publication: Vaccum
Publisher: Elsevier Science
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 04 Sep 2009 04:49
Last Modified: 19 Sep 2010 05:26
URI: http://eprints.iisc.ac.in/id/eprint/19088

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