P4/nmm, Rare earth, Transitional, Structural properties

• As-F-Fe-O-Sm
• As-Fe-La-O
• As-Ce-F-Fe-O
• As-Fe-Nd-O
• As-Fe-O-Sm
• compressibility
• mechanical properties
• thermal and thermodynamic properties
• thermal expansion
• rare earth
• transitional
• lanthanoid
• metalloid
• tetragonal