Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/1587
Title: An investigation of structural and electrical properties of boron doped and undoped nanocrystalline diamond films
Authors: Hikavyy, A.
Clauws, P.
Maes, J.
Moshchalkov, V.V.
Butler, J.E.
Feygelson, T.
WILLIAMS, Oliver 
DAENEN, Michael 
HAENEN, Ken 
Issue Date: 2006
Publisher: Wiley
Source: PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 203(12). p. 3021-3027
Abstract: Nanocrystalline and microcrystalline undoped and boron doped diamond films are investigated by means of SEM, Raman and photocurrent techniques. SEM measurements on nanocrystalline diamond show the typical diamond columnar structure whereas for microcrystalline diamond such structure is not observed. Raman investigation shows a clear diamond peak at 1332 cm(-1) for all investigated films and a Fano resonance is observed for the microcrystalline sample prepared with 2000 ppm of boron in the gas mixture indicating a transition into the semi-metallic state. Photocurrent measurements also show a presence of boron in some films. It is found that when temperature is decreased lower than 80 K, the boron photocurrent threshold in the case of NCD material behaves differently compared to bulk diamond.
Keywords: RAMAN-SPECTRA; SPECTROSCOPY; ACCEPTOR
Document URI: http://hdl.handle.net/1942/1587
ISSN: 0031-8965
DOI: 10.1002/pssa.200671118
ISI #: 000240967400006
Category: A1
Type: Journal Contribution
Validations: ecoom 2007
Appears in Collections:Research publications

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