Abstract
The polycrystalline diamond photodetector was characterized over a wavelength range of 400-2000nm. The origin of unwanted photoresponse for visible light is connected with reconstructed 2×1 and unreconstructed 1×1 parts of surface (111) of the undoped polycrystalline diamond film. It allow to propose its decrease by means of annealing and hydrogenating of diamond film at 870K.
© 1995 Optical Society of America
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