Apatite, Chalcogen, Rare earth, Electronic and electrical properties

• La-O-Si
• La-O-Si-Sr
• Nd-O-Si
• Ge-La-O
• La-Mg-O-Si
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• chalcogen
• rare earth
• apatite
• lanthanoid
• disordered
• hexagonal
• trigonal
• triclinic
• monoclinic