Alkaline, Antiferromagnetic, Brownmillerite, Chalcogen, Transitional

• Al-Ca-Fe-O
• Ca-Fe-O-Zn
• Al-Ca-Fe-Mg-O
• Ca-Cu-Fe-O
• Ca-Fe-Ni-O
• magnetic properties
• Moessbauer spectra
• structural properties
• thermal and thermodynamic properties
• electronic and electrical properties
• alkaline
• brownmillerite
• antiferromagnetic
• chalcogen
• disordered
• orthorhombic