Cohen adad

• Co-Sm
• Nb-O-Pb
• Li-Nb-O
• Li-Mg-Nb-O
• H-Na-O
• phase transitions
• phase diagram
• optical properties
• structural properties
• chalcogen
• transitional
• non-disordered
• ternary
• alkali
• monoclinic
• orthorhombic
• tetragonal
• trigonal
• cubic