Abstract

Concentrations of impurities in impact diamonds (IDs) from the Popigai meteorite crater reach hundreds of parts per million and are orders of magnitude greater than those in synthetic high-pressure high-temperature diamonds. IDs belong to six groups according to photoluminescence (PL) spectra. Diamonds of groups 1 and 2, consisting of cubic and hexagonal polytypes and sometimes graphite, show PL in broad 570–620 nm bands with unusual zero-phonon lines in the near-IR range, as well as very broad Raman lines. PL spectra of other groups are dominated by signals from nitrogen-vacancy complexes well known for kimberlite diamonds: some of them are related to radiation damage products. Variations in PL spectra are related to considerable difference in grain sizes: broadband shift to longer wavelengths and narrower lines correspond to coarser grain sizes.

© 2016 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Realization of two Fourier-limited solid-state single-photon sources

R. Lettow, V. Ahtee, R. Pfab, A. Renn, E. Ikonen, S. Götzinger, and V. Sandoghdar
Opt. Express 15(24) 15842-15847 (2007)

Influence of non-diamond carbon phase on recombination mechanisms of photoexcited charge carriers in microcrystalline and nanocrystalline diamond studied by time resolved photoluminescence spectroscopy

Pavel Galář, Branislav Dzurňák, Marian Varga, Marian Marton, Alexander Kromka, and Petr Malý
Opt. Mater. Express 4(4) 624-637 (2014)

Femtosecond UV laser non-ablative surface structuring of ZnO crystal: impact on exciton photoluminescence

Luc Museur, Jean-Pierre Michel, Patrick Portes, Apostolis Englezis, Andreas Stassinopoulos, Demetrios Anglos, and Andrei V. Kanaev
J. Opt. Soc. Am. B 27(3) 531-535 (2010)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Supplementary Material (1)

NameDescription
» Data File 1: CSV (4 KB)      Impurity concentrations.

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (6)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Tables (1)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription