Ba3SrNb2O9 hP30 176

• Ba-Nb-O-Sr
• Ba-O-Sr-Ta
• Ba-Ca-O-Ru-Sr
• electronic and electrical properties
• structural properties
• conductivity or resistivity
• activation energy
• values of activation energy
• alkaline
• transitional
• chalcogen
• perovskite
• oxide
• hexagonal
• trigonal