Chalcogen, Disordered, Quaternary, Frequency

• Ca-Cu-O-Ti
• Ba-O-Sr-Ti
• O-Pb-Ti-Zr
• Fe-Ni-O-Zn
• Bi-Fe-Nd-O
• electronic and electrical properties
• permittivity (dielectric constant)
• quaternary
• disordered
• chalcogen
• transitional
• oxide
• cubic
• tetragonal
• orthorhombic
• trigonal
• hexagonal