Srtio3 Properties
Strontium titanate (SrTiO3) is a perovskite-type oxide material with the chemical formula SrTiO3. It has a cubic crystal structure, with a lattice parameter of approximately 3.9 Å.
SrTiO3 exhibits a number of interesting properties that make it useful in various applications, such as electronic devices and catalysis. Some of its key properties include:
1. Dielectric constant: SrTiO3 has a very high dielectric constant, which makes it an excellent insulator. At room temperature, its dielectric constant is around 300.
2. Ferroelectricity: SrTiO3 is a ferroelectric material, meaning that it can exhibit spontaneous polarization. This property makes it useful in various applications, such as memory devices.
3. Photocatalytic activity: SrTiO3 is also known for its photocatalytic activity. When exposed to light, it can generate electron-hole pairs, which can then be used for various reactions, such as water splitting.
4. Superconductivity: Under certain conditions, SrTiO3 can exhibit superconductivity. This property has led to extensive research on its potential use in high-temperature superconductors.
Overall, SrTiO3 is a versatile material with a range of interesting properties that have made it the subject of much scientific research.