Leonov

• Fe-O
• Bi-O-Si-Ti
• Bi-O-Si
• Bi-O-Ti
• Co-Re-Ta
• structural properties
• optical properties
• phase transitions
• phase diagram
• transitional
• ternary
• chalcogen
• non-disordered
• cubic
• tetragonal
• hexagonal
• orthorhombic
• trigonal