Defect Engineering During Czochralski Crystal Growth
For a single-crystal diamond, it corresponds to one longitudinal mode (singlet) relative to the direction of propagation and two degenerate transverse (doublet) modes. The FWHM of this line is related to the vibrations of the two interpenetrating cubic sublattices and, for good quality crystals, it varies between 1.7 cm − 1 and 5 cm − 1 [53] .
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