Thermodynamic properties of Au-Fe alloys studied with 57Fe Mössbauer spectroscopy

• Autorzy: Idczak R. , Konieczny R. , Chojcan J.
• Konferencja: Proceedings of the 9th All - Polish Seminar on Mössbauer Spectroscopy OSSM'2012, 10-13 June 2012, Lublin - Kazimierz Dolny, Poland
• Języki publikacji: EN

Abstrakty

EN

The room temperature Mossbauer spectra of 57Fe were measured for Au1.xFex alloys with x in the range 0.01 less-than or equal to x less-than or equal to 0.03. The obtained data were analysed in terms of short range order parameter (SRO) and the binding energy Eb between two iron atoms in the studied materials using the extended Hrynkiewicz-Krolas idea. The estimated negative SRO parameters and the positive binding energy suggest ordering tendencies in Au-Fe alloys at low iron concentration. The extrapolated value of Eb for x = 0 was used for the computation of enthalpy of the solution of Fe in Au. The results were compared with the corresponding data derived from calorimetric measurements, previous Mossbauer experiments and resulting from the cellular atomic model of alloys by Miedema.

Słowa kluczowe

EN

Mössbauer spectroscopy; Au-Fe alloys; enthalpy of solution; short-range order

• Wydawca: Institute of Nuclear Chemistry and Technology
• Czasopismo: Nukleonika
• Rocznik: 2013
• Tom: Vol. 58, No. 1
• Strony: 93--97
• Opis fizyczny: Bibliogr. 13 poz., rys.

Twórcy

autor

Idczak R.

autor

Konieczny R.

autor

Chojcan J.

• University of Wrocław, Institute of Experimental Physics, 9 M. Borna Sq., 50-204 Wrocław, Poland, Tel.: [phone], Fax: [phone],

Bibliografia

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