Evaluation of electric hyperfine interactions inAuFe andCrFe |
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| Authors: | C. Böttger S. J. Campbell W. Stieler F. L. Litterst J. Hesse |
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| Affiliation: | (1) Department of Physics, University College, The University of New South Wales, Australian Defence Force Academy, 2600 Canberra, A.C.T., Australia;(2) Institut für Metallphysik und Nukleare Festkörperphysik, Technische Universität Carolo-Wilhelmina zu Braunschweig, Mendelssohnstrasse 3, 38106 Braunschweig, Germany |
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| Abstract: | A detailed analysis of room temperature57Fe Mössbauer spectra ofAuFe (5 at.% Fe) andCrFe (5, 10 at.% Fe) samples is presented. The deviation from Lorentzian line shape observed in the spectra indicates both thickness effects and structural disorder in these systems. The thickness effect has been taken into account using a new fitting technique that solves the transmission integral numerically rather than relying on the  thin absorber approximation . The present results and analyses using both the thin absorber approximation and the full transmission integral methods on these alloy systems are compared with earlier results obtained on these alloy systems using only the thin absorber approximation. |
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