Sayeed, A. ; Meenakshi, V. ; Bhattacharya, S. ; Subramanyam, S. V. ; Kanjilal, D. (1996) Low temperature conductivity of irradiated amorphous conducting carbon Vacuum, 47 (11). pp. 1281-1283. ISSN 0042-207X
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0042-207X(96)00170-4
Abstract
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 1011-1013 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: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 51451 |
| Deposited On: | 28 Jul 2011 11:40 |
| Last Modified: | 28 Jul 2011 11:40 |
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