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Single crystal diamond UV detector with a groove-shaped electrode structure and enhanced sensitivity.
- Source :
-
Sensors & Actuators A: Physical . Jun2017, Vol. 259, p121-126. 6p. - Publication Year :
- 2017
-
Abstract
- An ultraviolet (UV) detector on single crystal chemical vapor deposition (CVD) diamond with three-dimensional (3D) metal electrodes, is designed, and fabricated with the aim to improve collection efficiency of photo-induced carriers. Interdigitated Ti/Au electrodes were formed within 10 μm deep groove etched in diamond to ensure a more uniform field pattern in the diamond bulk. In the preliminary tests the groove-shaped 3D device performance was compared to a detector with a conventional planar structure on the same material at applied electric field of 1 V/μm. It is found that the responsivity of the 3D electrode structure in the spectral range of 220–280 nm is up to 50% higher than that for the planar structure. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09244247
- Volume :
- 259
- Database :
- Academic Search Index
- Journal :
- Sensors & Actuators A: Physical
- Publication Type :
- Academic Journal
- Accession number :
- 122769926
- Full Text :
- https://doi.org/10.1016/j.sna.2017.01.027