mriselMagnetic Resonance in SolidsMagnetic Resonance in Solids2072-5981Kazan Federal University10.26907/mrsej-24218mrisel-271Research ArticleСтатьиBroadening of the silicon vacancy EPR line in SiC revealed through optically selective excitationYavkinB. V.

Gif-sur-Yvette 91191

boris.yavkin@gmail.comSoltamovV. A.

St. Petersburg 194021

MurzakhanovF. F.

Kazan 420008

MaminG. V.

Kazan 420008

MokhovE. N.

St. Petersburg 194021

GoovaertsE.

Wilrijk 2610

CEA, SPECFranceIoffe InstituteRussian FederationKazan Federal UniversityRussian FederationUniversity of AntwerpBelgium202429082024262SPECIAL ISSUE dedicated to Boris Z. Malkin's 85th birthday24218 (7 pp.)Copyright © Yavkin B.V., Soltamov V.A., Murzakhanov F.F., Mamin G.V., Mokhov E.N., Goovaerts E., 20242024Yavkin B.V., Soltamov V.A., Murzakhanov F.F., Mamin G.V., Mokhov E.N., Goovaerts E.Yavkin B.V., Soltamov V.A., Murzakhanov F.F., Mamin G.V., Mokhov E.N., Goovaerts E.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.mrsej.ru/jour/article/view/271

In SiC crystal enriched by 28Si isotope with nuclear spin I = 0, two negatively charged silicon vacancy centers VSi-, Vk1 and Vk2 were investigated using X-band CW electron paramagnetic resonance (EPR) spectroscopy combined with tunable Ti-sapphire laser excitation. For the Vk1 and Vk2 centers, the EPR line position depends on the optical excitation energy which demonstrates inhomogeneous broadening of the optical transition correlated with variations in the zero field splitting.

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The authors declare that there are no conflicts of interest present.