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Nature of disorder and localization in amorphous carbon

Chen, CW and Robertson, J (1998) Nature of disorder and localization in amorphous carbon. Journal of Non-Crystalline Solids, 227-23. pp. 602-606. ISSN 0022-3093

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The electronic structure of amorphous diamond-like carbon is studied. Analysis of the participation ratio shows that π states within the σ-σ* gap are localized. The localization arises from dihedral angle disorder. The localization of π states causes the mobility gap to exceed the optical gap, which accounts for the low carrier mobility and the flat photoluminesence excitation spectrum. © 1998 Elsevier Science B.V. All rights reserved.

Item Type: Article
Depositing User: Cron job
Date Deposited: 16 Jul 2015 13:09
Last Modified: 28 Nov 2015 11:08