P1121/a

• Gd-Ge-Si
• Ca-La-Mn-O
• Er-Si
• Ge-Si-Tb
• Ge-Nd-Si
• magnetic properties
• magnetization
• thermal and thermodynamic properties
• values of magnetization
• phase transitions
• rare earth
• lanthanoid
• ferromagnetic
• metalloid
• disordered
• monoclinic