CaTiO3, or calcium titanate, is a ceramic compound composed of calcium, titanium, and oxygen. It has a perovskite crystal structure, which is significant in materials science due to its unique electrical and optical properties. This compound is often used in capacitors, piezoelectric devices, and as a substrate for growing thin films. In addition to its electronic applications, CaTiO3 is also studied for its potential in photocatalysis and as a dielectric material. Its ability to exhibit ferroelectric properties makes it valuable in various technological applications, including sensors and actuators.