The Composition Lines of the Visible Band of Synthetic Diamond
Abstract
The visible band (band A) of Photoluminescence spectra of high-purity synthesized diamond is analyzed by deconvolution technique. A set of eight lines with distinct peak energy are found. The peak energy and the width of these lines were either constant or varies very slightly with temperature. The amplitude of the lines are significantly temperature. The closeness of the temperature that the amplitudes of these lines reach their minimum and the temperature which the Free-exiton emission is maximum at, is an indication of the competition between these too effects.
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