Influence of 14N hyperfine interaction on electron nuclear double resonance of boron vacancy in hexagonal boron nitride
https://doi.org/10.26907/mrsej-25102
Abstract
The research focuses on the explanation of a phenomenon observed in the spectra of electron-nuclear resonance (ENDOR) pertaining to nitrogen atoms adjacent to the boron vacancy (VB-) defect in hexagonal boron nitride (hBN). The phenomenon is manifested as a shift of the ENDOR spectrum lines with respect to the nitrogen Larmor frequency. It is hypothesized that these shifts are indicative of a substantial hyperfine interaction between the VB- defect and the 14N nuclei in hBN. A calculation utilizing second-order perturbation theory was executed to determine the positions of the ENDOR spectrum lines, resulting in the formulation of correction equations. The values obtained from the perturbation theory corrections align well with the experimental results. The extent of nuclear state admixture into electron states was found to be around 0.04-0.07%.
Supporting agencies: Financial support of the Russian Science Foundation under Grant RSF 24-12-00151 is acknowledged.
About the Authors
G. V. Mamin
Institute of Physics, Kazan Federal University
Russian Federation
Russian Federation
Kazan 420008
E. V. Dmitrieva
Institute of Physics, Kazan Federal University
Russian Federation
Russian Federation
Kazan 420008
F. F. Murzakhanov
Institute of Physics, Kazan Federal University
Russian Federation
Russian Federation
Kazan 420008
I. N. Gracheva
Institute of Physics, Kazan Federal University
Russian Federation
Russian Federation
Kazan 420008
V. A. Soltamov
Ioffe Physical-Technical Institute of RAS
Russian Federation
Russian Federation
St.Petersburg 194021
M. R. Gafurov
Institute of Physics, Kazan Federal University
Russian Federation
Russian Federation
Kazan 420008
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Review
For citations:
Mamin G.V., Dmitrieva E.V., Murzakhanov F.F., Gracheva I.N., Soltamov V.A., Gafurov M.R. Influence of 14N hyperfine interaction on electron nuclear double resonance of boron vacancy in hexagonal boron nitride. Magnetic Resonance in Solids. 2025;27(1):25102 (9 pp.). https://doi.org/10.26907/mrsej-25102
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