The properties of photoconductivity of the Ila-type diamond related to the band gap structure

We investigate the properties of the photosensitivity spectra of the UV photodetectors based on natural diamond. The effect of the structural defects associated with nitrogen impurities to the photosensitivity is analyzed. We confirm that the polychrome light bias application enhances the photosensi...

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Bibliographic Details
Published in:Journal of physics. Conference series 2016-08, Vol.741 (1), p.12099
Main Authors: Altukhov, A A, Feshchenko, V S, Shepelev, V A, Popov, A V
Format: Article
Language:English
Subjects:
Bias
Diamonds
Energy gap
Impurities
Photoconductivity
Photon absorption
Photosensitivity
Physics
Spectra
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Summary:We investigate the properties of the photosensitivity spectra of the UV photodetectors based on natural diamond. The effect of the structural defects associated with nitrogen impurities to the photosensitivity is analyzed. We confirm that the polychrome light bias application enhances the photosensitivity of these detectors in the spectral range 240-340 nm due to the quasi-two-photon absorption which originates due to the complicated structure of the band gap impurity states of a natural diamond. The possibility to influence the photosensitivity spectra in the λ
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/741/1/012099