B-C, B-x polyhedra, Tetragonal

• B-C-Ho-Ni
• B-C-Ni-Y
• B-C-Er-Ni
• B-C-Dy-Ni
• B-C-Lu-Ni
• magnetic properties
• thermal and thermodynamic properties
• electronic and electrical properties
• superconductivity
• structural properties
• metalloid
• borocarbide
• rare earth
• non-disordered
• lanthanoid