Barium titanate is a ceramic material known for its excellent dielectric properties, making it useful in capacitors and other electronic components. It has a chemical formula of BaTiO3 and is often used in applications that require high permittivity and low loss. This material exhibits piezoelectric properties, meaning it can generate an electric charge in response to mechanical stress. As a result, barium titanate is commonly found in sensors, actuators, and transducers, contributing to advancements in various technologies, including ultrasonic devices and microphones.