Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3229
Title: Dominant defect levels in diamond thin films: A photocurrent and electron paramagnetic resonance study
Authors: NESLADEK, Milos 
STALS, Lambert 
Stesmans, A
Iakoubovskij, K
ADRIAENSENS, Peter 
Issue Date: 1998
Publisher: AMER INST PHYSICS
Source: APPLIED PHYSICS LETTERS, 72(25). p. 3306-3308
Abstract: Characteristic features in photocurrent (PC) and electron paramagnetic resonance (EPR) spectra are discussed and attributed to main defects in the gap of optical-quality chemical vapor deposited diamond. A shoulder in the PC spectra with an onset at about 2.2 eV is attributed to the single-substitutional nitrogen defect (EPR P1 resonance at g = 2.0024). A second feature in the PC spectra with an onset of about 1.3 eV is observed on "as-grown" samples with a hydrogen terminated surface. The defect level associated with this feature is hydrogen related, and this defect disappears after oxidation of the diamond sample surface. The EPR g = 2.0028, which was also suggested to be H-related, is discussed. (C) 1998 American Institute of Physics. [S0003-6951(98)01525-3].
Notes: Limburgs Univ Ctr, Div Mat Phys, Mat Res Inst, B-3590 Diepenbeek, Belgium. Katholieke Univ Leuven, Lab Halfgeleiderfys, B-3001 Heverlee, Belgium. Acad Sci Czech Republ, Inst Phys, CZ-16253 Prague, Czech Republic.Nesladek, M, Limburgs Univ Ctr, Div Mat Phys, Mat Res Inst, Univ Campus,Wetenschapspk 1, B-3590 Diepenbeek, Belgium.
Document URI: http://hdl.handle.net/1942/3229
DOI: 10.1063/1.121632
ISI #: 000075274400022
Type: Journal Contribution
Validations: ecoom 1999
Appears in Collections:Research publications

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