Alkaline, Chalcogen, Rare earth, Bauminger

• Ba-Cu-Fe-O-Y
• Ba-Fe-O-Y
• Ba-Cu-Fe-O-Pr-Y
• Ba-Eu-Fe-O
• Ba-Cu-O-Y
• magnetic properties
• Moessbauer spectra
• thermal and thermodynamic properties
• structural properties
• magnetization
• rare earth
• transitional
• alkaline
• chalcogen
• antiferromagnetic
• tetragonal
• orthorhombic
• cubic