At room temperature,the c-axis is the easy magnetization direction tn DyTiFen compound.However,when we decrease temperature,the thermal magnetic curves show that a spin reorientation takes place at about 175K.The anis...At room temperature,the c-axis is the easy magnetization direction tn DyTiFen compound.However,when we decrease temperature,the thermal magnetic curves show that a spin reorientation takes place at about 175K.The anisotropy constants of Ft sublattice have been determined by measuring the magnetocrystalline anisotropy of YTiFen,We have calculated the anisotropy constants of Dy by using single ion theory.The results demonstrate that the spin reorientation arises from the competition of magnetocrystalline anisotropy between Dy and Fe sublattices.The spin reorientation is explaned by the theo retical calculation.展开更多
文摘At room temperature,the c-axis is the easy magnetization direction tn DyTiFen compound.However,when we decrease temperature,the thermal magnetic curves show that a spin reorientation takes place at about 175K.The anisotropy constants of Ft sublattice have been determined by measuring the magnetocrystalline anisotropy of YTiFen,We have calculated the anisotropy constants of Dy by using single ion theory.The results demonstrate that the spin reorientation arises from the competition of magnetocrystalline anisotropy between Dy and Fe sublattices.The spin reorientation is explaned by the theo retical calculation.
