Chalcogen, Pnictogen, Rare earth, Gd-P

• Gd-O-P
• Gd-H-O-P
• Gd-K-O-P
• Gd-Na-O-P
• Cs-Gd-O-P
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• optical properties
• phase transitions
• rare earth
• pnictogen
• chalcogen
• lanthanoid
• monoclinic
• hexagonal
• tetragonal
• orthorhombic
• trigonal