Charge transfer, Tetragonal

• Ba-Ca-Cu-O-Tl
• Cu-Eu-Si
• Eu-Ge-Ni-Si
• Cu-La-O-Sr
• Ce-Ni-Si
• effective charge
• electron density maps
• values of valence or charge transfer
• transitional
• non-disordered
• ternary
• chalcogen
• rare earth