Electronic and electrical properties, Er, Orthorhombic

• Ba-Cu-Er-O
• Er-Ni-Si
• Ba-Cu-Er-Ni-O
• Er-Ge-Ni
• Ba-Er-O-Zn
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• lanthanoid
• rare earth
• transitional
• non-disordered