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Nickel-Related Optical Centers in Hpht Treated Synthetic Diamonds: Photoluminescence Study

Published online by Cambridge University Press:  10 February 2011

I.N. Kupriyanov ,
V.A. Gusev ,
Yu.N. Pal'yanov  and
Yu.M. Borzdov
I.N. Kupriyanov
Affiliation:
Institute of Automation and Electrometry SB RAS, 630090 Novosibirsk, Russia
V.A. Gusev
Affiliation:
Institute of Mineralogy and Petrography SB RAS, 630090 Novosibirsk, Russia
Yu.N. Pal'yanov
Affiliation:
Institute of Mineralogy and Petrography SB RAS, 630090 Novosibirsk, Russia
Yu.M. Borzdov
Affiliation:
Institute of Mineralogy and Petrography SB RAS, 630090 Novosibirsk, Russia
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Abstract

The results of a photoluminescence (PL) study of synthetic diamonds annealed over the temperature range 1500-2500°C are presented. For nickel- and nitrogen-containing diamonds a number of new, previously undocumented PL systems with zero-phonon lines (ZPLs) at 598.5, 622.6, 638.9, 752.1 and 877.2 nm has been found. Photoluminescence excitation (PLE) spectra for PL systems with ZPLs at 727.1 and 746.6 nm have been measured for the first time. Preliminary results on annealing behavior of the PL centers have been obtained. Of all the PL systems observed only that ones with ZPLs at 752.1 and 793.0 nm together with the S2 and S3 optical centers are present in diamonds annealed at temperatures higher than 2200°C.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 560: Symposium E – Luminescent Materials , 1999 , 233
Copyright
Copyright © Materials Research Society 1999

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References

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