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Room temperature photoluminescence from nanostructured amorphous carbon

Henley, SJ, Carey, JD and Silva, SRP (2004) Room temperature photoluminescence from nanostructured amorphous carbon APPLIED PHYSICS LETTERS, 85 (25). pp. 6236-6238.

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Visible room-temperature photoluminescence (PL) was observed from hydrogen-free nanostructured amorphous carbon films deposited by pulsed laser ablation in different background pressures of argon (PAr). By varying PAr from 5 to 340 mTorr, the film morphology changed from smooth to rough and at the highest pressures, low-density filamentary growth was observed. Over the same pressure regime an increase in the ordering of s p2 bonded C content was observed using visible Raman spectroscopy. The origin of the PL is discussed in terms of improved carrier localization within an increased s p2 rich phase. © 2004 American Institute of Physics.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre
Authors : Henley, SJ, Carey, JD and Silva, SRP
Date : 20 December 2004
DOI : 10.1063/1.1839641
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Applied, Physics, DIAMOND-LIKE CARBON, HYDROGENATED CARBON, RAMAN-SPECTROSCOPY, FILMS
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Copyright 2004 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

The following article appeared in Applied Physics Letters, 85 (25) and may be found at

Depositing User : Symplectic Elements
Date Deposited : 28 Jan 2013 10:39
Last Modified : 06 Jul 2019 05:11

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