Sumida

• La-Ni-O
• Fe-Mn-O-Sr
• Fe-O
• Co-Fe-O-Sr
• Al-Fe-O
• magnetic properties
• structural properties
• Moessbauer spectra
• magnetization
• phase transitions
• transitional
• chalcogen
• oxide
• disordered
• antiferromagnetic
• tetragonal
• cubic
• trigonal
• orthorhombic
• monoclinic