Sr2TiO4

Sr2TiO4 is a ternary oxide compound with the chemical formula Sr2TiO4. It belongs to the family of layered perovskite-related structures, specifically a K2NiF4-type structure. This crystallographic structure is characterized by layers of TiO6 octahedra stacked between layers of Sr atoms. The strontium atoms are typically located in the interlayers, coordinating with oxygen atoms from the titanate layers.

This material has garnered interest in various fields of materials science and condensed matter physics. Its electronic properties are of particular significance, often exhibiting semiconducting or insulating behavior depending on its precise stoichiometry and any introduced doping. The layered structure can influence its electrical conductivity and optical properties.

Sr2TiO4 has been explored as a potential component in photocatalytic applications due to its ability to absorb light and facilitate chemical reactions. Its stability in various environments and its band gap energy are key factors considered for such uses. Furthermore, its structural characteristics make it a candidate for investigation in dielectric materials and solid oxide fuel cells, where robust ionic conductivity at elevated temperatures is desirable. Research continues to explore methods for synthesizing Sr2TiO4 with controlled properties and to understand the fundamental correlations between its structure and its functional behavior.

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