Coupling 4H-SiC spins to a microwave resonator at millikelvin temperaturesRemoveAli Fawaz, Jeremy Bourhill, Stefania Castelletto, Hiroshi Abe, Takeshi Ohshima, Michael E. Tobar, Thomas Volz, Maxim Goryachev, and Sarath Raman NairPhys. Rev. Applied 24, 064075 (2025)