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http://hdl.handle.net/1942/3434
Title: | Optical absorption and cathodoluminescence in homoepitaxially grown CVD diamond films | Authors: | MEYKENS, Kristien NESLADEK, Milos QUAEYHAEGENS, Carl STALS, Lambert Vanecek, M Rosa, J Janssen, G Schermer, JJ |
Issue Date: | 1996 | Publisher: | ELSEVIER SCIENCE SA LAUSANNE | Source: | DIAMOND AND RELATED MATERIALS, 5(9). p. 958-963 | Abstract: | Defect-induced optical absorption in diamond layers, homoepitaxially grown by the chemical vapour deposition technique, is investigated by the use of photothermal deflection spectroscopy (PDS). The measured spectral dependence of the optical absorption coefficient for these layers is compared with the optical absorption in type IIa natural and type Ib synthetic diamond. The measured absorption spectra show the orientation-dependent nitrogen incorporation in the homoepitaxial diamond layers. The orientation-dependent nitrogen incorporation is in agreement with the cathodoluminescence data. The characteristic subgap continuum absorption is observed in both {001} and {110} oriented diamond layers. | Notes: | ACAD SCI CZECH REPUBL,INST PHYS,CZ-16200 PRAGUE,CZECH REPUBLIC. UNIV NIJMEGEN,MAT RES INST,NL-6525 ED NIJMEGEN,NETHERLANDS.Meykens, K, LIMBURGS UNIV CENTRUM,INST MAT RES,DIV MAT PHYS,UNIV CAMPUS,WETENSCHAPSPK 1,B-3590 DIEPENBEEK,BELGIUM. | Keywords: | optical absorption; cathodoluminescence; homoepitaxial films; defects | Document URI: | http://hdl.handle.net/1942/3434 | DOI: | 10.1016/0925-9635(95)00488-2 | ISI #: | A1996VA32500014 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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