Chalcogen, Japnde

• Fe-O-Pb-W-Zr
• Co-O-Pb-Ta-W-Yb
• O-Pb-Ti-Zr
• Mg-Nb-O-Pb-Zr
• Cr-Cu-Fe-O
• structural properties
• electronic and electrical properties
• permittivity (dielectric constant)
• phase transitions
• magnetic properties
• chalcogen
• transitional
• alkaline
• quaternary
• rare earth
• trigonal
• tetragonal
• cubic
• orthorhombic
• monoclinic