Chalcogen, Deuterium, Disordered, H-K-O-P

• H-K-O-P-U
• H-K-O-P-S
• electronic and electrical properties
• structural properties
• permittivity (dielectric constant)
• phase transitions
• structural transitions
• deuterium
• disordered
• alkali
• chalcogen
• orthophosphate
• tetragonal
• orthorhombic
• monoclinic
• triclinic