Metal, Rare earth, Orthorhombic, Valence or charge transfer

• Ba-Cu-O-Y
• Ca-La-Mn-O
• La-Mn-O
• Au-Yb
• Ce-Ni
• effective charge
• values of valence or charge transfer
• electron density maps
• valence electron concentration
• rare earth
• metal
• transitional
• lanthanoid
• conductor