Chalcogen, Fe-O, Freezing temperature for spin glass

• Fe-O-Zn
• Co-Fe-O-Sr
• Ba-Cu-Fe-O-Y
• Co-Fe-O-Zn
• Bi-Fe-Mn-O
• transitional
• chalcogen
• oxide
• spin glass
• disordered
• cubic
• orthorhombic
• trigonal
• tetragonal
• hexagonal