Spin Reorientation Transition and Magnetic Phase Diagram of R(Fe, Mo)12 Compounds
Spin-reorientation transitions in the ThMn12-type intermetallic compounds Tb1-xYxFe11Mo (x=0.0-1.0), Nd1-xTbxFe10.5Mo1.5(x=0.0-1.0) and RFe11Mo(R=Nd, Tb, Dy, Ho and Er) were investigated by means of x-ray powder diffraction and magnetization measurements. Magnetic phase diagrams of the compounds were constructed experimentally. Based upon the single-ion approximation for the magnetocrystalline anisotropy of rare earth ions and the mean-field model, theoretical magnetic phase diagrams were derived by minimizing the magnetocrystalline anisotropy energy of the compounds and elucidated the observed spin-reorientation transitions. A series of crystal-electric-field parameters that reasonably reproduce the experimental phase diagrams were achieved.
spin-reorientation transition magnetic phase diagram ThMn12-type intermetallics magnetocrystalline anisotropy
Y.G. Xiao Y.C. Wang G.H. Rao
Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, Peoples Republic of China
国际会议
厦门
英文
431-435
2006-11-08（万方平台首次上网日期，不代表论文的发表时间）