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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/1435

Title: Investigation of hydrogenated CVD diamond films by photo-thermal ionization spectroscopy
Authors: Hikavyy, A.
Clauws, P.
DEFERME, Wim
BOGDAN, Anna
HAENEN, Ken
NESLADEK, Milos
Issue Date: 2006
Publisher: Elsevier
Citation: DIAMOND AND RELATED MATERIALS, 15(4-8). p. 682-686
Abstract: Different hydrogenated CVD diamond films as well as bulk IIb and IIa diamonds were investigated by means of photo-thermal ionization spectroscopy. All samples show a new photocurrent signal at temperatures lower than 120–20 K depending on the sample with a threshold around 100 meV what suggests a presence of shallow levels on the hydrogenated diamond surface. The photocurrent spectrum due to these shallow levels consists of features similar to the two-phonon absorption in diamond. Influence of annealing in air on the photocurrent behavior was investigated as well.
URI: http://hdl.handle.net/1942/1435
DOI: 10.1016/j.diamond.2005.11.020
ISI #: 000239157000047
ISSN: 0925-9635
Category: A1
Type: Journal Contribution
Validation: ecoom, 2007
Appears in Collections: Research publications

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