Chalcogen, Co, Phase transitions

• Co-Na-O
• Ba-Co-O-Y
• Co-La-O
• Co-O
• Co-O-Sr
• fusion
• temperature for congruent melting
• phase diagram
• structural transitions
• chalcogen
• transitional
• disordered
• oxide
• orthorhombic
• monoclinic
• cubic
• tetragonal
• trigonal