All 3-vertex, Chalcogen, Transitional, Trigonal

• Bi-Fe-O
• Li-Nb-O
• Li-Ni-O
• Cr-O
• S-Ti
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• magnetic properties
• phase transitions
• transitional
• chalcogen
• disordered
• non-disordered