Conductor, Rare earth, Electronic and electrical properties, Orthorhombic

• Ba-Cu-O-Y
• Ba-Cu-O-Pr
• Ca-Mn-Nd-O
• Ba-Cu-Er-O
• Ba-Cu-Gd-O
• conductivity or resistivity
• electrical resistivity
• electrical conductivity
• electronic energy gap
• conductor
• rare earth
• transitional
• lanthanoid
• chalcogen