B-Co-Fe-Y, Quaternary, Rare earth

• B-Co-Er-Fe
• B-Co-Eu-Fe
• B-Co-Fe-Gd
• B-Co-Dy-Fe
• magnetic properties
• magnetization
• magnetic transitions
• magnetic anisotropy
• structural properties
• transitional
• rare earth
• quaternary
• metalloid
• ferromagnetic
• hexagonal
• tetragonal
• trigonal