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Proceedings Paper

Optical properties of boron-doped diamond films
Author(s): Guangtian Zou; San Yu; Zengsun Jin; Xianyi Lu; Zuochen Yang
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Paper Abstract

Boron doped and undoped diamond films were prepared by a hot filament method of chemical vapor deposition (CVD). Up to 1020 cm-3 boron concentration was obtained in doped specimens. Infrared (IR) absorption and luminescent emission of diamond films were measured and discussed. Absorption peaks of 1971.3 cm-1, 2020.0 cm-1, and 2161.4 cm-1 were observed in undoped diamond films, which are assigned to two-phonon lattice vibration absorption of diamond. Two absorption peaks at 2850 cm-1 and 2910 cm-1 were usually observed in CVD diamond films, which is very similar to that of C-H vibration absorptions in CH2-radicals. In the range of 300 nm - 800 nm, four typical luminescent emissions were observed, which are 2.76 eV broad emission, 2.34 eV broad emission, 2.16 eV sharp emission with a low- energy shoulder and a sharp emission at 1.675 eV. The 2.34 eV emission is originated from the donor-acceptor (D-A) pairs, the others are originated from defect related centers.

Paper Details

Date Published: 20 November 1992
PDF: 5 pages
Proc. SPIE 1759, Diamond Optics V, (20 November 1992); doi: 10.1117/12.130779
Show Author Affiliations
Guangtian Zou, Jilin Univ. (China)
San Yu, Jilin Univ. (China)
Zengsun Jin, Jilin Univ. (China)
Xianyi Lu, Jilin Univ. (China)
Zuochen Yang, Teacher's College of Changchun (China)

Published in SPIE Proceedings Vol. 1759:
Diamond Optics V
Albert Feldman; Sandor Holly, Editor(s)

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