Electronic and electrical properties, Ho-x polyhedra, Lanthanoid

• Ho-Mn-O
• Ba-Cu-Ho-O
• Co-Ho
• Ge-Ho
• B-C-Ho-Ni
• electrical conductivity
• effective mass
• conductivity or resistivity
• electronic energy gap
• values of electronic energy gap
• lanthanoid
• rare earth
• transitional
• non-disordered
• orthorhombic
• cubic
• hexagonal
• tetragonal
• monoclinic