Chalcogen, Quaternary, Transitional, Jtphes

• Bi-Ca-Fe-O
• B-Co-Fe-O
• Co-O-Pr-Sr
• Fe-Ge-Na-O
• Fe-Nb-O-Pb
• magnetic properties
• structural properties
• magnetization
• Moessbauer spectra
• values of magnetization
• chalcogen
• transitional
• quaternary
• disordered
• oxide
• orthorhombic
• monoclinic
• tetragonal
• cubic
• trigonal