All-optical dc nanotesla magnetometry using silicon vacancy fine structure in isotopically purified silicon carbide

D. Simin, V. A. Soltamov, A. V. Poshakinskiy +10

We uncover the fine structure of a silicon vacancy in isotopically purified silicon carbide (4H-${}^{28}$SiC) and find extra terms in the spin Hamiltonian, originated from the trigon…