Mössbauer-Effect Studies of Iron-Tin Alloys

TLDR: The magnetic hyperfine (hf) fields in the Fe and Sn components are not, in general, proportional to the magnetic moments as discussed by the authors, and two simple relations containing the coordination numbers can be used within a wide range to describe the variations of these fields as a function of composition.

Abstract: Solid solutions $\mathrm{Fe}\mathrm{Sn}$ and the compounds ${\mathrm{Fe}}_{3}$Sn, ${\mathrm{Fe}}_{5}$${\mathrm{Sn}}_{3}$, ${\mathrm{Fe}}_{3}$${\mathrm{Sn}}_{2}$, FeSn, and Fe${\mathrm{Sn}}_{2}$ have been studied by the M\"ossabauer effect in both Fe and Sn nuclei. Also, standard x-ray diffraction and magnetization studies were performed. The magnetic hyperfine (hf) fields in the Fe and Sn components are not, in general, proportional to the magnetic moments. It is found that two simple relations containing the coordination numbers can be used within a wide range to describe the variations of these fields as a function of composition. The collected results indicate that the magnetic hf field at the iron nucleus is rather insensitive to the conduction-electron polarization in these alloys. The isomer shifts are linearly related to the number of Fe-Sn bonds in such a way that bonding reduces the electron densities at both nuclei. The bonding is covalentlike and predominantly unpolarized.

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Mössbauer-Effect Studies of Iron-Tin Alloys
Trumpy, Georg; Both, Erik; Djéga-Mariadassou, C.; Lecocq, P.
Published in:
Physical Review B Condensed Matter
Link to article, DOI:
10.1103/PhysRevB.2.3477
Publication date:
1970
Document Version
Publisher's PDF, also known as Version of record
Link back to DTU Orbit
Citation (APA):
Trumpy, G., Both, E., Djéga-Mariadassou, C., & Lecocq, P. (1970). Mössbauer-Effect Studies of Iron-Tin Alloys.
Physical Review B Condensed Matter, 2(9), 3477-3490. https://doi.org/10.1103/PhysRevB.2.3477