B-Fe, B-x polyhedra, Electronic and electrical properties, Transitional

• B-Fe-Nd
• B-Fe-O
• B-Fe-Gd-O
• B-Fe-H-O
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• transitional
• metalloid
• non-disordered
• boride
• trigonal
• tetragonal
• orthorhombic
• monoclinic
• hexagonal