Fig. 5
From: Doped, conductive SiO2 nanoparticles for large microwave absorption
Some dielectric and microwave absorption characteristics of calcinated, undoped SiO2 nanoparticles. a The σ curve, b δ curve, c 2D contour plot for RL vs. f and d and d representative RL curves for the pure, poorly conductive SiO2 nanoparticles obtained after calcination
