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Electron paramagnetic resonance and photochromism of N3V0 in diamond
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Green, Ben, Breeze, Ben and Newton, Mark E. (2017) Electron paramagnetic resonance and photochromism of N3V0 in diamond. Journal of Physics: Condensed Matter, 29 (22). 225701. doi:10.1088/1361-648X/aa6c89 ISSN 0953-8984.
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Official URL: http://dx.doi.org/10.1088/1361-648X/aa6c89
Abstract
The defect in diamond formed by a vacancy surrounded by three nearest neighbor nitrogen atoms and one carbon atom, N3V, is found in the vast majority of natural diamonds. Despite N3V0 being the earliest electron paramagnetic resonance spectrum observed in diamond, to date no satisfactory simulation of the spectrum for an arbitrary magnetic field direction has been produced due to its complexity. In this work, N3V0 is identified in 15 N - doped synthetic diamond following irradiation and annealing. The 15 N3V0 spin Hamiltonian parameters are directly determined and used to refine the parameters for 14N3V0 , enabling the latter to be accurately simulated and fitted for an arbitrary magnetic field direction. Study of 15N3V0 under excitation with green light indicates charge transfer between N3V and Ns. It is argued that this charge transfer is facilitated by direct ionization of N3Vā, an as-yet unobserved charge state of N3V.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Library of Congress Subject Headings (LCSH): | Diamond crystals -- Defects, Electron paramagnetic resonance | ||||||
| Journal or Publication Title: | Journal of Physics: Condensed Matter | ||||||
| Publisher: | Institute of Physics Publishing Ltd. | ||||||
| ISSN: | 0953-8984 | ||||||
| Official Date: | 25 April 2017 | ||||||
| Dates: |
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| Volume: | 29 | ||||||
| Number: | 22 | ||||||
| Article Number: | 225701 | ||||||
| DOI: | 10.1088/1361-648X/aa6c89 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| Date of first compliant deposit: | 4 May 2018 | ||||||
| Date of first compliant Open Access: | 4 May 2018 |
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