Electron paramagnetic resonance studies of nitrogen interstitial defects in diamond

S. Felton, B. L. Cann, A. M. Edmonds, S. Liggins, R. J. Cruddace, M. E. Newton, D. Fisher, J. M. Baker

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Abstract

We report on electron paramagnetic resonance (EPR) studies of nitrogen doped diamond that has been N-15 enriched, electron irradiated and annealed. EPR spectra from two new nitrogen containing S = 1/2 defects are detected and labelled WAR9 and WAR10. We show that the properties of these defects are consistent with them being the < 001 >-nitrogen split interstitial and the < 001 >-nitrogen split interstitial-< 001 >-carbon split interstitial pair, respectively. We also provide an explanation for why these defects have previously eluded discovery.

Original languageEnglish
Article number364212
Number of pages8
JournalJournal of Physics: Condensed Matter
Volume21
Issue number36
DOIs
Publication statusPublished - 19 Aug 2009

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