Alkaline, Chalcogen, Ca-Ta, Tetragonal

• Ca-Na-O-Ta
• Br-Ca-Cu-O-Ta
• Ba-Ca-La-O-Ta-Ti
• Ca-Cl-Cu-O-Ta
• Ca-Cl-Fe-O-Ta
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• enthalpy or energy
• magnetic properties
• transitional
• chalcogen
• alkaline
• oxide