Alkaline, Transitional, Cu-Ta, Tetragonal

• Cu-Eu-O-Sr-Ta
• Cu-Nd-O-Sr-Ta
• Cu-Gd-O-Sr-Ta
• Cu-O-Sm-Sr-Ta
• Cu-O-Pr-Sr-Ta
• thermal and thermodynamic properties
• magnetic properties
• electronic and electrical properties
• magnetic susceptibility
• structural properties
• chalcogen
• transitional
• alkaline
• oxide
• disordered