Chopra, Sonalee; Sharma, Seema; Goel, T C; Mendiratta, R G
Ferroelectrics; Chemical synthesis; Dielectric response
Thin films of Pb1−xCaxTiO3 [x=0.20, 0.24 and 0.28] have been prepared on ITO coated Corning glass substrates by sol gel technique. The perovskite phase of PCT films is formed at 650 °C with a polycrystalline tetragonal structure. The tetragonal factor (c/a) decreases with increasing Ca concentration. Dielectric, pyroelectric and ferroelectric studies have been carried out on these films. The effects of introduction of Ca ion in PbTiO3 have also been discussed.