Kartashev, Transitional

• Na-Nb-O
• F-H-N-Ta
• B-Fe-Gd-Nd-O
• Fe-O-Sm-Ti
• Fe-Ge-Li-O
• thermal and thermodynamic properties
• magnetic properties
• thermal expansion
• structural properties
• structural transitions
• transitional
• chalcogen
• oxide
• disordered
• alkali
• orthorhombic
• trigonal
• cubic
• tetragonal
• monoclinic