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Study of DyFe12−xMx compounds by57Fe and161Dy Mössbauer spectroscopy

Authors:	PC. M. Gubbens G. J. Boender A. M. van der Kraan K. H. J. Buschow

Affiliation:	(1) Interfacultair Reactor Instituut, Delft University of Technology, Mekelweg 15, Delft, The Netherlands;(2) Philips Research Laboratories, 5600 JA Eindhoven, The Netherlands

Abstract:	DyFe_12?xM_x (M=Si,Ti,Cr) were studied with⁵⁷Fe and¹⁶¹Dy Mössbauer spectroscopy. The deduced coupling constants J_RFe of these compounds are about equal. It is found that Si is substituting one particular Fe-site, while Cr is substituting Fe randomly. In DyFe₁₀Si₂ two Fe-sites favour a c-axis anisotropy, while the third one favours the basal plane.

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