Chalcogen, Rare earth, Jcrgae

• Ba-Cu-O-Y
• Ho-O-Ti
• O-V-Y
• Ba-Cu-Nd-O
• Ce-O-P-Ru
• structural properties
• optical properties
• phase transitions
• electronic and electrical properties
• magnetic properties
• chalcogen
• rare earth
• lanthanoid
• transitional
• quaternary
• orthorhombic
• monoclinic
• cubic
• tetragonal
• trigonal