Chalcogen, Katsumata

• Bi-O-Pb-Sc-Ti
• Cu-Fe-O
• Cu-O-Sr
• Ni-O-Pb
• Mn-O-Sn
• magnetic properties
• electronic and electrical properties
• optical properties
• luminescence
• structural properties
• chalcogen
• oxide
• transitional
• disordered
• nonmetal
• trigonal
• monoclinic
• orthorhombic
• cubic
• tetragonal