CaSr2UTh2Ti2NbTa2O14

CaSr2UTh2Ti2NbTa2O14 is a complex oxide with a pyrochlore crystal structure. This compound belongs to the family of mixed metal oxides, incorporating calcium (Ca), strontium (Sr), uranium (U), thorium (Th), titanium (Ti), niobium (Nb), and tantalum (Ta) along with oxygen (O). The pyrochlore structure is characterized by a specific arrangement of cations and anions, leading to unique physical and chemical properties.

Research into materials like CaSr2UTh2Ti2NbTa2O14 is often driven by their potential applications in areas such as nuclear waste immobilization and advanced ceramic technologies. The presence of radioactive elements like uranium and thorium makes it a candidate for encapsulating radioactive byproducts due to the pyrochlore structure's known stability and resistance to leaching. The combination of refractory elements like titanium, niobium, and tantalum also contributes to its high thermal stability. Understanding the synthesis methods and the detailed structural characteristics is crucial for evaluating its performance in these demanding environments. Further investigations typically focus on its phase purity, defect chemistry, and long-term durability under various conditions.