Alkaline, Oxide, Quaternary, Kemmler sack

• Fe-O-Pb-Sr
• Ba-Cu-O-Y
• Ba-Co-Ir-O
• Ba-Co-Nb-O
• Ba-Nb-O-Ti
• structural properties
• electronic and electrical properties
• conductivity or resistivity
• electrical resistivity
• magnetic properties
• quaternary
• oxide
• alkaline
• chalcogen
• transitional
• trigonal
• cubic
• hexagonal
• orthorhombic
• tetragonal