Kar, Quaternary, Transitional

• Ba-O-Ti-Yb
• Cu-La-Mn-O
• Nb-O-Tl-W
• Co-Fe-O-Zn
• Al-Co-Fe-O
• electronic and electrical properties
• permittivity (dielectric constant)
• magnetic properties
• structural properties
• optical properties
• quaternary
• transitional
• chalcogen
• oxide
• disordered
• cubic
• tetragonal
• trigonal
• orthorhombic
• hexagonal