Disordered, Electronic and electrical properties, Nd-x polyhedra, Trigonal

• Nd-O
• Bi-Fe-Nd-O
• La-Mn-Nd-O-Sr
• La-Mg-Nd-Ni
• B-Nd-O-Si
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• rare earth
• lanthanoid
• disordered
• chalcogen
• transitional