As-Pr, Lanthanoid, Pnictogen

• As-Fe-O-Pr
• As-Ni-Pr
• As-Pr-Zn
• As-F-Fe-O-Pr
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• magnetic properties
• phase transitions
• pnictogen
• rare earth
• metalloid
• lanthanoid
• transitional
• tetragonal
• orthorhombic
• cubic
• hexagonal
• trigonal