Figure 10

The d(Tr)/d(T)&T plots of VO2-SiO2 composite films with different Si/V molar ratios to describe the transition parameters of heating and cooling branches.
The molar ratio of Si/V = (a) 0; (b) 0.2; (c) 0.4; (d) 0.6; (e) 0.8; (f) 1.0. Tr and T represent transmittance and temperature at 2000 nm. Th and Tc express the phase transition temperature of heating and cooling branches, respectively.