The remanence direction of Nd2Fe14B permanent magnet at 77K,initially at saturated remanence along the grain oriented direction,as a function of magnetic field applied along a direction making 70°with the initial...The remanence direction of Nd2Fe14B permanent magnet at 77K,initially at saturated remanence along the grain oriented direction,as a function of magnetic field applied along a direction making 70°with the initial remanence direction is calculated neglecting the magnetic interaction between the crystallites.The results are very different from the experimental results obtained by using torque method.展开更多
The crystal field parameters B^(°)_(2),B^(-2)_(2),B^(°)_(4),and B^(4)_(4)are determined Empirically on the basis of one sublattice model.These parameters can account for the major magnetic anisotropy of all ...The crystal field parameters B^(°)_(2),B^(-2)_(2),B^(°)_(4),and B^(4)_(4)are determined Empirically on the basis of one sublattice model.These parameters can account for the major magnetic anisotropy of all of R_(2)Fe_(14)B(R:rare-earth)including the easy cone of Nd_(2)Fe_(14)B and Ho_(2)Fe_(14)B at 4.2K.展开更多
文摘The remanence direction of Nd2Fe14B permanent magnet at 77K,initially at saturated remanence along the grain oriented direction,as a function of magnetic field applied along a direction making 70°with the initial remanence direction is calculated neglecting the magnetic interaction between the crystallites.The results are very different from the experimental results obtained by using torque method.
文摘The crystal field parameters B^(°)_(2),B^(-2)_(2),B^(°)_(4),and B^(4)_(4)are determined Empirically on the basis of one sublattice model.These parameters can account for the major magnetic anisotropy of all of R_(2)Fe_(14)B(R:rare-earth)including the easy cone of Nd_(2)Fe_(14)B and Ho_(2)Fe_(14)B at 4.2K.
