A calculation of the magnetic single-ion anisotropy in hematite has been made.The results show that an equivalent single-ion anisotropy field Hsi(=103.8×10^(2) Oe)exists along the c-axis at T=0K.The Morin transit...A calculation of the magnetic single-ion anisotropy in hematite has been made.The results show that an equivalent single-ion anisotropy field Hsi(=103.8×10^(2) Oe)exists along the c-axis at T=0K.The Morin transition in hematite could be explained by our results in conjunction with the calculated H_(md) by Artman et al.展开更多
The paramagnetic parameters of the Nd_(2)Fe_(14)B single crystal were measured.In the temperature range from about 600K to 830K,the temperature dependence of the reciprocal susceptibility obeyed Curie-Weiss law,from w...The paramagnetic parameters of the Nd_(2)Fe_(14)B single crystal were measured.In the temperature range from about 600K to 830K,the temperature dependence of the reciprocal susceptibility obeyed Curie-Weiss law,from which the effective magnetic moment for Fe atoms,3.97μB/Fe atom,can be obtained.展开更多
文摘A calculation of the magnetic single-ion anisotropy in hematite has been made.The results show that an equivalent single-ion anisotropy field Hsi(=103.8×10^(2) Oe)exists along the c-axis at T=0K.The Morin transition in hematite could be explained by our results in conjunction with the calculated H_(md) by Artman et al.
文摘The paramagnetic parameters of the Nd_(2)Fe_(14)B single crystal were measured.In the temperature range from about 600K to 830K,the temperature dependence of the reciprocal susceptibility obeyed Curie-Weiss law,from which the effective magnetic moment for Fe atoms,3.97μB/Fe atom,can be obtained.
