Table 2: Volume fraction of PbTiO3, average particle size, and RT dielectric constant for glass and glass ceramics.

SiO2 (mol %)Volume fraction of PbTiO3Average particle size (nm)RT dielectric constant of glasses at 1 kHz RT dielectric constant of glass ceramics at 1 kHz

055.6469.5766120
1.552.2669.445186
2.557.4769.5754143
3.540.5857.536571
544.7858.696087