Chalcogen, Conductor, Transitional, Cu-Fe-O, Trigonal

• Cu-Fe-O-Sn
• Cr-Cu-Fe-O
• Cu-Fe-Ni-O
• Cu-Fe-O-Pd
• magnetic properties
• electronic and electrical properties
• optical properties
• magnetization
• magnetic transitions
• semiconductor
• conductor
• oxide
• chalcogen
• transitional