Low-temperature EPR spectra of synthetic diamond and type Ib nanodiamond

Low-temperature EPR spectra of synthetic diamond and type Ib nanodiamond

Low-frequency resonance studies of single crystal diamond and type Ib nanodiamond (powder) unirradiated and irradiated by protons at temperatures of 300 and 500 K are reported. EPR spectra typical of paramagnetic nitrogen centers are observed. It is shown that when synthetic diamond crystals are irr...

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Veröffentlicht in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2013-11, Vol.39 (11), p.990-992
Hauptverfasser: Vaisnoras, R., Kulbickas, A., Kobets, M., Dergachev, K., Khatsko, E.
Format: Artikel
Sprache:eng
Schlagworte:
Crystal defects
Crystals
Diamonds
Low temperature
Nanostructure
Radiation effects
Single crystals
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Zusammenfassung:Low-frequency resonance studies of single crystal diamond and type Ib nanodiamond (powder) unirradiated and irradiated by protons at temperatures of 300 and 500 K are reported. EPR spectra typical of paramagnetic nitrogen centers are observed. It is shown that when synthetic diamond crystals are irradiated by protons, additional lines appear in the EPR spectra which can be attributed to radiation induced nitrogen-vacancy centers (NV defects).
ISSN:1063-777X
1090-6517
DOI:10.1063/1.4830260