Chalcogen, Deuterium, Disordered, Transitional, Electrical conductivity

• H-K-Nb-O-W
• H-Mn-O
• Cr-H-O
• Fe-H-O
• H-Mo-O
• transitional
• deuterium
• chalcogen
• disordered
• monoclinic
• cubic
• trigonal
• orthorhombic
• tetragonal