As-O, Orthorhombic, Pnictogen, Transitional

• As-Fe-La-O
• As-Fe-O-Sm
• As-Ce-Fe-O
• As-Fe-O-Pr
• As-Fe-Nd-O
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• magnetic properties
• phase transitions
• pnictogen
• transitional
• metalloid
• chalcogen
• non-disordered