Synthesis and magnetic properties of (R,R′)3(Fe,Ti)29 (R=Pr, Nd and R′=Sm, Er) intermetallic compounds

Synthesis and magnetic properties of (R,R′)3(Fe,Ti)29 (R=Pr, Nd and R′=Sm, Er) intermetallic compounds
N. Sheloudkoa, e, M. Gjokab, O. Kalogirouc, D. Niarchosb, V. Skumryevd, G. Hadjipanayisd, S. Suriñache and J. S. MuñozCorresponding Author Contact Information, E-mail The Corresponding Author, d, e
a Faculty of Physics, Sofia University, 1164, Sofia, Bulgaria
b Institute for Materials Science, NCSR, Demokritos, 15310 Ag. Paraskevi, Attiki, Greece
c Department of Physics, Aristotle University of Thessaloniki, 54006, Thessaloniki, Greece
d Department of Physics and Astronomy, University of Delaware, Newark, DE 19716-2570, USA
e Laboratori de Magnetisme, University Autonoma de Barcelona, 08193, Barcelona, Spain
Available online 16 January 2003.

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Abstract
The ternary Pr2Er(Fe,Ti)29 and SmNd2(Fe,Ti)29 intermetallic compounds were successfully synthesised and crystallographically and magnetically characterised. The anisotropy constants, the anisotropy field and the easy magnetization directions were determined at 5 and 300 K. The results support the idea of preferential substitution of Pr and Nd at the 4i-sites in Pr2Er(Fe,Ti)29 and SmNd2(Fe,Ti)29 respectively, and thus the observed changes in anisotropy arise due to the difference in the Stevens factors between the substituting and substituted ions.