Ba-Fe-O, Chalcogen, Magnetic properties, Trigonal

• Ba-Co-Fe-O
• Ba-Fe-O-Zn
• Ba-Co-Fe-O-Zn
• Ba-Fe-Nb-O-Si
• Ba-Bi-Fe-O
• magnetization
• Moessbauer spectra
• magnetic transitions
• magnetic hysteresis
• magnetic susceptibility
• transitional
• chalcogen
• alkaline
• oxide
• disordered