Effect of Mn substitution for Fe in cubic Laves Zr_(0.1)Tb_(0.9)(Fe_(1-x)Mn_x)_2 and Y_(0.1)Tb_(0.9)(Fe_(1-x)Mn_x)_2 com- pounds is presented.Similar results in both systems are obtained: The structure and the magneti...Effect of Mn substitution for Fe in cubic Laves Zr_(0.1)Tb_(0.9)(Fe_(1-x)Mn_x)_2 and Y_(0.1)Tb_(0.9)(Fe_(1-x)Mn_x)_2 com- pounds is presented.Similar results in both systems are obtained: The structure and the magnetism of TbFe_2 are both influenced slightly by a small amount of Y or Zr substitution for Tb;With increasing x value,the lattice constant increases monotonously;the Curie temperature decreases linearly;while saturation magnetization increases linearly.For the small amount of Mn substitution for Fe in both systems,magnetostriction is significantly larger than that in the pure iron alloys.The largest magnetostriction of|γ_‖-|γ_|=2200×10^(-6) at magnetic field of 2×10~7/4π A/mis obtained for Y_(0.1)Tb_(0.9)(Fe_(0.95)Mn_(0.05)_2.展开更多
文摘Effect of Mn substitution for Fe in cubic Laves Zr_(0.1)Tb_(0.9)(Fe_(1-x)Mn_x)_2 and Y_(0.1)Tb_(0.9)(Fe_(1-x)Mn_x)_2 com- pounds is presented.Similar results in both systems are obtained: The structure and the magnetism of TbFe_2 are both influenced slightly by a small amount of Y or Zr substitution for Tb;With increasing x value,the lattice constant increases monotonously;the Curie temperature decreases linearly;while saturation magnetization increases linearly.For the small amount of Mn substitution for Fe in both systems,magnetostriction is significantly larger than that in the pure iron alloys.The largest magnetostriction of|γ_‖-|γ_|=2200×10^(-6) at magnetic field of 2×10~7/4π A/mis obtained for Y_(0.1)Tb_(0.9)(Fe_(0.95)Mn_(0.05)_2.
