Sr4Fe4O11 oS38 65

• Fe-O-Sr
• Co-Fe-O-Sr
• Fe-Ni-O-Sr
• Fe-O-Pb-Sr
• Ce-Fe-O-Sr
• magnetic properties
• structural properties
• Moessbauer spectra
• magnetic structure
• magnetization
• transitional
• disordered
• alkaline
• chalcogen
• oxide
• orthorhombic