Optical transitions at the substitutional nitrogen centre in diamond
K Iakoubovskii; G J Adriaenssens; K Iakoubovskii; Laboratorium voor Halfgeleiderfysica, K.U.Leuven, Celestijnenlaan 200 D, B-3001 Heverlee-Leuven, Belgium; G J Adriaenssens; Laboratorium voor Halfgeleiderfysica, K.U.Leuven, Celestijnenlaan 200 D, B-3001 Heverlee-Leuven, Belgium
Журнал:
Journal of Physics: Condensed Matter
Дата:
2000-02-14
Аннотация:
Optical transitions at the single substitutional nitrogen centre (P1) in synthetic diamond are discussed. It is shown that the 4.6 eV absorption band is not due to P1, but due to some other centre, tentatively suggested as a nitrogen-boron complex. The 4.5 eV photocurrent threshold is assigned to the transition from the valence band to the ground state of the P1 centre.
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