As-Eu, Metalloid, Phase transitions

• As-Eu-Fe
• As-Eu-Fe-La
• As-Co-Eu-Fe
• As-Eu-Fe-P
• fusion
• temperature for congruent melting
• structural transitions
• phase diagram
• rare earth
• lanthanoid
• pnictogen
• metalloid
• transitional
• tetragonal
• orthorhombic
• monoclinic
• hexagonal
• trigonal