Electro-optical response of a single-crystal diamond ultraviolet photoconductor in transverse configuration

Diamond has been identified as a very promising material for X and ultraviolet sensing. In this Letter, a photoconductive device based on a freestanding homoepitaxial chemically vapor deposition (CVD) single-crystal diamond 500 μ m thick has been tested. Photoconductive measurements in coplanar and...

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Bibliographic Details
Published in:Applied physics letters 2005-05, Vol.86 (21), p.213504-213504-3
Main Authors: De Sio, A., Achard, J., Tallaire, A., Sussmann, R. S., Collins, A. T., Silva, F., Pace, E.
Format: Article
Language:English
Subjects:
Engineering Sciences
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Summary:Diamond has been identified as a very promising material for X and ultraviolet sensing. In this Letter, a photoconductive device based on a freestanding homoepitaxial chemically vapor deposition (CVD) single-crystal diamond 500 μ m thick has been tested. Photoconductive measurements in coplanar and transverse configurations have been performed to characterize the device sensitivity in the 140-250 nm spectral range. Very high sensitivity values were achieved in both configurations. The sensitivity in the transverse configuration is at least 300 times higher than in the coplanar configuration.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1935039