Abstract
Electrical and optical properties of diamond based light emitting p-i-n diodes have been studied up to 500°C. Bulk and planar structures have been fabricated on natural and synthetic single crystal substrates by ion implantation. Electroluminescence (EL) in blue, green and orange spectral ranges has been observed from the insulating i-layer of the diodes. The EL emission is due to electron-hole recombination through the optical centers in the diamond substrate.
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