Electronic and electrical properties, La-Ta, Transitional

• La-Mg-O-Ta
• Ba-La-O-Ta-Zn
• Fe-La-O-Pb-Ta
• Bi-K-La-O-Ta
• Bi-La-O-Sc-Sr-Ta
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• permittivity (dielectric constant)
• rare earth
• lanthanoid
• transitional
• chalcogen
• oxide
• tetragonal
• cubic
• orthorhombic
• monoclinic
• trigonal