ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
High-field magnetization measurements have been performed on both free-powder samples and magnetically aligned samples of R(Fe,Mn)11Ti (R=Y, Nd, Sm, Gd, Er) compounds at 4.2 K in a step field up to 28 T. The temperature dependence of ac susceptibilities of R(Fe,Mn)11Ti has been measured in a temperature range from 4.2 to 800 K. It has been found that both the magnetic moment of the transition-metal sublattice and the Curie temperature of RFe11−xMnxTi compounds decrease with increasing x. Spin reorientations occur in ErFe11−xMnxTi compounds as the result of competition between the uniaxial anisotropy of the transition-metal sublattice and the planar or conical anisotropy of the Er sublattice. The intersublattice exchange constants nRT of ErFe11−xMnxTi compounds have been deduced by the high-field free-powder method. The effect of the substitution of Fe by Mn on the magnetic anisotropies of R(Fe,Mn)11Ti with R=Y, Nd, Sm has been investigated. First-order magnetization processes take place in SmFe11−xMnxTi compounds when the external field is applied perpendicular to the alignment direction. © 1996 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.361987
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