Alkaline, Chalcogen, Oxide, Rare earth, Karen, Magnetic properties

• Ba-Fe-O-Y
• Ba-Fe-Nd-O
• Ba-Fe-O-Tb
• Co-Fe-O-Pr-Sr
• Ba-Er-Fe-O
• Moessbauer spectra
• magnetization
• spontaneous magnetic moment
• values of Moessbauer spectra
• magnetic structure
• rare earth
• chalcogen
• alkaline
• oxide
• transitional
• tetragonal
• orthorhombic
• cubic