Ba2TiSi2O7
Ba2TiSi2O7 is a chemical compound, specifically a silicate mineral containing barium, titanium, and silicon. It belongs to the melilite group of minerals, which are characterized by a general formula of (Ca,Na)2(Mg,Fe,Al)(Si,Al)3O10 or similar variations. In the case of Ba2TiSi2O7, barium (Ba) and titanium (Ti) occupy specific crystallographic sites, while silicon (Si) and oxygen (O) form the silicate framework. The crystal structure of Ba2TiSi2O7 is tetragonal. This compound has been synthesized and studied for its potential applications in various fields, particularly due to its dielectric and optical properties. Research has explored its use as a host material for luminescent ions and in the development of new ceramic materials. The synthesis of Ba2TiSi2O7 can be achieved through various solid-state reaction methods at elevated temperatures. Understanding its structural and physical properties is crucial for optimizing its performance in technological applications.