Electronic and electrical properties, Eu-O, Eu-x polyhedra, Transitional

• Ba-Cu-Eu-O
• Ce-Cu-Eu-O-Ru-Sr
• Eu-Mn-O-Sr
• Ca-Eu-La-Mn-O-Sr
• Ca-Eu-Mn-O
• conductivity or resistivity
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• rare earth
• transitional
• chalcogen
• lanthanoid
• oxide
• tetragonal
• orthorhombic
• cubic
• monoclinic
• trigonal