SBN-60, also known as strontium-barium niobate, is an inorganic crystal material with a perovskite-type structure. It is a piezoelectric and ferroelectric material, meaning it exhibits both electrical polarization and can produce a voltage when subjected to mechanical stress. SBN-60 has a high electro-optic coefficient, making it useful for applications in optical modulation, such as in high-speed data communication systems. In addition, its piezoelectric properties make it a useful material for ultrasound transducers, resonators, and high-frequency filters.