A Mössbauer study of the magneto-structural coupling effect in SrFe$_2$As$_2$ and SrFeAsF

Details A Mössbauer study of the magneto-structural coupling effect in SrFe$_2$As$_2$ and SrFeAsF A Mössbauer study of the magneto-structural coupling effect in SrFe$_2$As$_2$ and SrFeAsF

2011-10-17

arxiv.org/abs/1110.3550v1

Physics

Condensed Matter

Superconductivity

4 pages, 2 figures,conference ICAME2011, to be appear in Hyperfine Interactions

Scientific paper

10.1007/s10751-011-0425-2

In the present paper, we report a comparison study of SrFe$_2$As$_2$ and SrFeAsF using M\"ossbauer spectroscopy. The temperature dependence of the magnetic hyperfine field is fitted with a modified Bean-Rodbell model. The results give much smaller magnetic moment and magneto-structural coupling effect for SrFeAsF, which may be understood as due to different inter-layer properties of the two compounds.

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