OPTICAL-PROPERTIES OF AMORPHOUS C/DIAMOND THIN-FILMS
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SILVA, SRP, AMARATUNGA, GAJ and CONSTANTINOU, CP (1992) OPTICAL-PROPERTIES OF AMORPHOUS C/DIAMOND THIN-FILMS JOURNAL OF APPLIED PHYSICS, 72 (3). 1149 - 1153. ISSN 0021-8979
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Official URL: http://jap.aip.org/resource/1/japiau/v72/i3/p1149_...
Abstract
Amorphous C/diamond films have been prepared by rf plasma enhanced vapor deposition from a CHdAr gas mixture. Infrared and optical-ultraviolet absorption characteristics are reported and used to characterize the bonding and optical properties of these films. It has been found that the optical band gap is not related to the hydrogen content in the films and varies according to the dc self bias developed during deposition. The IR data show that the hydrogen in the a-C/diamond &ns is associated with triply bonded sp’ carbon as in acetelyne. The optical band gap of the fihns can be varied from 1.2-4.0 eV.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Science & Technology, Physical Sciences, Physics, Applied, Physics, CARBON-FILMS, GROWTH-MECHANISM, RF PLASMA, DIAMOND |
| Divisions: | Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre |
| ID Code: | 2366 |
| Deposited By: | Melanie Hughes |
| Deposited On: | 28 Sep 2010 09:29 |
| Last Modified: | 08 Jun 2013 16:10 |
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