Publications in Scientific Journals:
H. Michor, M. El-Hagary, S. Özcan, A. Horyn, E. Bauer, M. Reissner, G. Hilscher, S. Khmelevskyi, P. Mohn, P. Rogl:
"Weak itinerant ferromagnetism in YCo9Si4*";
Physica B: Condensed Matter,
Weak itinerant ferromagnetism in YCo9Si4 below about 25K is studied by means of magnetisation, specific heat, and resistivity measurements. Single-crystal X-ray refinements at room temperature reveal a fully ordered distribution of Y, Co and Si atoms within the tetragonal space group I4/mcm isostructural with LaCo9Si4: The latter exhibits itinerant electron metamagnetism with an induced moment of about 1mB=f :u: above 6 T, whereas YCo9Si4 exhibits a spontaneous magnetisation M0 ` 12Am2=kg at 2K which corresponds to an ordered moment of about 1:6mB=f :u: indicating weak itinerant ferromagnetism.
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