The paper proposes a method for controlling the spin state of color centers based on their interaction with acoustic vibrations. An effective Hamiltonian is constructed that describes the interaction of spin 3/2 defects with lattice vibrations in the spherical approximation. It was used to calculate the spin-lattice relaxation times in a bulk crystal due to single-phonon and Raman processes. From their comparison with the experimentally measured temperature dependence of the spin relaxation rate, the constant of deformation spin-lattice interaction is determined.
. V. A. Soltamov, C. Kasper, A.V. Poshakinskiy, A.N. Anisimov, E.N. Mokhov, A. Sperlich, S.A. Tarasenko, P.G. Baranov, G.V. Astakhov, V. Dyakonov, Nature Commun. 10, 1678 (2019). . A.V. Poshakinskiy and G.V. Astakhov, Phys. Rev. B 100, 094104 (2019). . A. Hernández-Mínguez, A.V. Poshakinskiy, M. Hollenbach, P.V. Santos, and G.V. Astakhov, Phys. Rev. Lett. 125, 107702 (2020).
Poshakinsky, A. V.; Astakhov, G. V.; Hernández-Mínguez; and Santos, P. V.
"INTERACTION OF SPIN CENTERS IN SiC WITH ACOUSTIC OSCILLATIONS,"
Scientific-technical journal: Vol. 24
, Article 10.
Available at: https://uzjournals.edu.uz/ferpi/vol24/iss5/10