Devi chandrasekhar

• Ca-Mn-Nd-O
• Co-La-Mn-O
• Fe-La-O-Pb
• Co-La-Mn-O-Sr
• Cr-Ni-O-Zn
• structural properties
• chalcogen
• transitional
• lanthanoid
• rare earth
• quaternary
• orthorhombic
• cubic
• tetragonal
• monoclinic