Coplanar triangle 3-vertex, Fe-O-Sr, Hexagonal

• Co-Fe-La-O-Sr
• Co-Fe-O-Sr
• Cr-Fe-O-Sr
• Fe-O-Ru-Sr-Ti
• magnetic properties
• structural properties
• Moessbauer spectra
• magnetic hysteresis
• magnetization
• transitional
• disordered
• chalcogen
• alkaline
• oxide