investigated by means of the Mössbauer Spectroscopy

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Presentation transcript:

investigated by means of the Mössbauer Spectroscopy Gold-iron System investigated by means of the Mössbauer Spectroscopy and X-ray Diffraction Artur Błachowski 1, Krzysztof Ruebenbauer 1, Jan Żukrowski 2, Janusz Przewoźnik 2 1 Mössbauer Spectroscopy Division, Institute of Physics, Pedagogical University, Kraków, Poland 2 Solid State Physics Department, Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Kraków, Poland

T.B. Massalski, Binary Alloy Phase Diagrams, 1990 Fe-Au Phase Diagram T.B. Massalski, Binary Alloy Phase Diagrams, 1990

Mössbauer Spectroscopy as-cast Fe100-cAuc annealed 500oC / 48h

X-ray Diffraction Fe100-cAuc

SEM Fe70Au30 Fe50Au50 Fe Au Fe30Au70 Fe Au

Conclusions 1) Ferromagnetic order at room temperature of FCC–Au(Fe) phase, disappears after annealing at 500ºC / 48h. 2) Nanoparticles of FCC-Au(Fe) and BCC-Fe(Au) phases with diameter about 50 nm.