Chalcogen, Transitional, Ijimcr

• Cu-Gd-O-Ru-Sr
• O-W-Y
• Ba-Cu-O-Tl
• Ga-La-O-Sr
• Nb-O-Sr
• structural properties
• phase diagram
• phase transitions
• thermal expansion
• chalcogen
• transitional
• oxide
• alkaline
• rare earth
• orthorhombic
• tetragonal
• cubic
• monoclinic
• trigonal