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Characterization of Optical and Electrical Properties of Transparent Conductive Boron-Doped Diamond thin Films Grown on Fused Silica
Abstract
A conductive boron-doped diamond (BDD) grown on a fused silica/quartz has been investigated. Diamond thin films were deposited by the microwave plasma enhanced chemical vapor deposition (MW PECVD). The main parameters of the BDD synthesis, i.e. the methane admixture and the substrate temperature were investigated in detail. Preliminary studies of optical properties were performed to qualify an optimal CVD synthesis and film parameters for optical sensing applications. The SEM micro-images showed the homogenous, continuous and polycrystalline surface morphology; the mean grain size was within the range of 100-250 nm. The fabricated conductive boron-doped diamond thin films displayed the resistivity below 500 mOhm cm-1 and the transmittance over 50% in the VIS-NIR wavelength range. The studies of optical constants were performed using the spectroscopic ellipsometry for the wavelength range between 260 and 820 nm. A detailed error analysis of the ellipsometric system and optical modelling estimation has been provided. The refractive index values at the 550 nm wavelength were high and varied between 2.24 and 2.35 depending on the percentage content of methane and the temperature of deposition
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- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/mms-2014-0059
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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Metrology and Measurement Systems
no. 21,
edition 4,
pages 685 - 698,
ISSN: 0860-8229 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Bogdanowicz R.: Characterization of Optical and Electrical Properties of Transparent Conductive Boron-Doped Diamond thin Films Grown on Fused Silica// Metrology and Measurement Systems. -Vol. 21, iss. 4 (2014), s.685-698
- DOI:
- Digital Object Identifier (open in new tab) 10.2478/mms-2014-0059
- Verified by:
- Gdańsk University of Technology
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