Alkaline, Chalcogen, Boullay

• Ba-Co-La-O
• Ba-Bi-Nb-O
• Bi-Nb-O-Sr
• Ba-Bi-O-Sr-Ta
• Ba-Co-O-Y
• electronic and electrical properties
• magnetic properties
• permittivity (dielectric constant)
• structural properties
• optical properties
• alkaline
• chalcogen
• transitional
• disordered
• oxide
• tetragonal
• orthorhombic
• cubic
• monoclinic
• trigonal