Alkali, Chalcogen, Ancead

• Cu-K-Te
• H-K-Na-Ni-O-P-W
• Ba-Cu-Na-Te
• Ba-Cu-K-Te
• K-O
• structural properties
• magnetic properties
• electronic and electrical properties
• conductivity or resistivity
• chalcogen
• alkali
• transitional
• ternary
• non-disordered
• orthorhombic
• monoclinic
• triclinic
• hexagonal
• tetragonal