Optically detected nuclear quadrupolar interaction of N 14 in nitrogen-vacancy centers in diamond

Chang S. Shin, Mark C. Butler, Hai Jing Wang, Claudia E. Avalos, Scott J. Seltzer, Ren Bao Liu, Alexander Pines, Vikram S. Bajaj

Research output: Contribution to journalArticlepeer-review


We report sensitive detection of the nuclear quadrupolar interaction of the N14 nuclear spin of the nitrogen-vacancy (NV) center using the electron spin-echo envelope modulation technique. We applied a weak transverse magnetic field to the spin system so that certain forbidden transitions became weakly allowed due to second-order effects involving the nonsecular terms of the hyperfine interaction. The weak transitions cause modulation of the electron spin-echo signal, and a theoretical analysis suggests that the modulation frequency is primarily determined by the nuclear quadrupolar frequency; numerical simulations confirm the analytical results and show excellent quantitative agreement with experiments. This is an experimentally simple method of detecting quadrupolar interactions, and it can be used to study spin systems with an energy structure similar to that of the NV center.

Original languageEnglish (US)
Article number205202
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number20
StatePublished - May 15 2014

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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