Dmitrieva E. V.1, Mamin G. V.1, Murzakhanov F. F.1, Gracheva I. N.1, Gafurov M. R.1, Soltamov V. A. 2
1Kazan Federal University, Kazan, Tatarstan, Russia
2Ioffe Institute, St. Petersburg, Russia
Email: dev600@mail.ru
The interactions of a spin defect and nearby nitrogen nuclei in hexagonal boron nitride have been studied by electron paramagnetic resonance and double electron-nuclear resonance. The constants of the hyperfine (Aiso=59.5 MHz, Add=13.8 MHz) and quadrupole (Cq=1.96 MHz) interactions for nitrogen nuclei 14N of the first coordination sphere are determined. The results obtained are important for understanding the mechanisms of electron-nuclear interactions in hBN and for developing quantum devices based on spin defects in two-dimensional materials. Keywords: electron paramagnetic resonance, ENDOR spectroscopy, boron vacancy, hBN, spin defect.
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