B-Y, Metalloid, Quaternary, Phase transitions

• B-Ba-O-Y
• B-Co-Tb-Y
• B-Fe-O-Y
• B-C-Ni-Y
• B-H-N-Y
• phase diagram
• fusion
• temperature for congruent melting
• temperature for structural transition
• transitional
• quaternary
• metalloid
• rare earth
• tetrahedron
• tetragonal
• hexagonal
• monoclinic
• trigonal
• orthorhombic