8-equatorial capped pentagonal prism 18-vertex, Gd-Ge-Si

• Dy-Gd-Ge-Si
• Cu-Gd-Ge-Si
• magnetic properties
• thermal and thermodynamic properties
• magnetization
• magnetic transitions
• phase transitions
• rare earth
• lanthanoid
• metalloid
• disordered
• silicide
• orthorhombic
• monoclinic