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Electron paramagnetic resonance of the N2V−defect in N15-doped synthetic diamond
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Green, Ben, Dale, Matthew W., Newton, Mark E. and Fisher, D. (2015) Electron paramagnetic resonance of the N2V−defect in N15-doped synthetic diamond. Physical Review B (Condensed Matter and Materials Physics), 92 (16). 165204 . doi:10.1103/PhysRevB.92.165204
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Official URL: http://dx.doi.org/10.1103/PhysRevB.92.165204
Abstract
Nitrogen is the dominant impurity in the majority of natural and synthetic diamonds, and the family of nitrogen vacancy-type (NnV) defects are crucial in our understanding of defect dynamics in these diamonds. A significant gap is the lack of positive identification of N2V−, the dominant charge state of N2V in diamond that contains a significant concentration of electron donors. In this paper, we employ isotopically-enriched diamond to identify the EPR spectrum associated with 15 N2V− and use the derived spin Hamiltonian parameters to identify 14N2V− in a natural isotopic abundance sample. The electronic wave function of the N2V− ground state and previous lack of identification is discussed. The N2V− EPR spectrum intensity is shown to correlate with the H2 optical absorption over an order of magnitude in concentration
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Library of Congress Subject Headings (LCSH): | Diamonds, Artificial -- Defects, Diamond crystals -- Defects, Electron paramagnetic resonance | ||||||
| Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||||
| Publisher: | American Physical Society | ||||||
| ISSN: | 1098-0121 | ||||||
| Official Date: | 21 October 2015 | ||||||
| Dates: |
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| Volume: | 92 | ||||||
| Number: | 16 | ||||||
| Article Number: | 165204 | ||||||
| DOI: | 10.1103/PhysRevB.92.165204 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access |
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