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Longitudinal spin relaxation in nitrogen-vacancy ensembles in diamond

Atomic Physics 2015-05-12 v1 Mesoscale and Nanoscale Physics
Authors: M. Mrozek , D. Rudnicki , P. Kehayias , A. Jarmola , D. Budker , W. Gawlik
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Abstract

We present an experimental study of the longitudinal electron-spin relaxation of ensembles of negatively charged nitrogen-vacancy (NV ) centers in diamond. The measurements were performed with samples having different NV- concentrations and at different temperatures and magnetic fields. We found that the relaxation rate T1-1 increases when transition frequencies in NV- centers with different orientations become degenerate and interpret this as cross-relaxation caused by dipole-dipole interaction.

Keywords

nitrogen-vacancy ensembles diamond longitudinal spin relaxation cross-relaxation dipole-dipole interaction transition frequency degeneracy magnetic fields

Cite

@article{arxiv.1505.02253,
  title  = {Longitudinal spin relaxation in nitrogen-vacancy ensembles in diamond},
  author = {M. Mrozek and D. Rudnicki and P. Kehayias and A. Jarmola and D. Budker and W. Gawlik},
  journal= {arXiv preprint arXiv:1505.02253},
  year   = {2015}
}

Comments

11 pages, 9 figures

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