Fig. 5From: Infrared, Raman and Magnetic Resonance Spectroscopic Study of SiO2:C NanopowdersThe temperature dependence of resonance magnetic field position (a), EPR signal integral intensity (b) and EPR linewidth (c) for CRR measured in SiO2:C samples annealed at 500, 700, and 800 °CBack to article page