Alkaline, Rare earth, Karen, Magnetic properties

• Ba-Fe-O-Y
• Ba-Fe-O-Tb
• Ba-Fe-Nd-O
• Ba-Eu-Fe-O
• Ba-Fe-Gd-O
• Moessbauer spectra
• magnetization
• spontaneous magnetic moment
• values of Moessbauer spectra
• magnetic susceptibility
• transitional
• chalcogen
• alkaline
• rare earth
• antiferromagnetic
• orthorhombic
• tetragonal
• cubic
• monoclinic