Disordered, Hayakawa

• S-Sb-Se
• Ba-O-Ti
• Ba-Cu-O-Y
• Ba-Cu-La-O-Sm
• Ba-Cu-La-Nd-O
• structural properties
• electronic and electrical properties
• structural transitions
• superconductivity
• phase transitions
• disordered
• transitional
• chalcogen
• oxide
• orthorhombic
• tetragonal
• hexagonal
• cubic
• trigonal