Ba-Fe-O-Sr, Chalcogen, Tetragonal

• Ba-Cu-Fe-O-Sr-Y
• Ba-Fe-Hg-O-Sr-Tl
• Ba-Fe-O-Sr-Ti
• Ba-Fe-O-Sr-W
• thermal and thermodynamic properties
• magnetic properties
• electronic and electrical properties
• structural properties
• Moessbauer spectra
• transitional
• chalcogen
• alkaline
• disordered
• oxide