Abstract
This work demonstrates the use of polarization analysis of reflected radiation to reveal the contributions from magnetically ordered phases in poorly resolved Mössbauer spectra obtained with \(\pi\)-polarized radiation from the Synchrotron Mössbauer Source. The study was carried out for the cluster-layered structure [\({}^{57}\)Fe (0.08 nm)/Cr (1.08 nm)]\({}_{30}\). As a result, it was shown that only 16\(\%\) of iron atoms are ferromagnetically ordered, while the remaining iron atoms are in the spin glass state.
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ACKNOWLEDGMENTS
The authors are grateful to Yu.A. Babanov, D.A. Ponomarev, M.A. Milyaev, L.N. Romashev, and V.V. Ustinov (Institute of Metal Physics of Ural Branch of the Russian Academy of Sciences) for the sample of \({}^{57}\)Fe with ultrathin layers, produced and provided to us. The authors are grateful to A. Rogalev (ESRF) for the ability to use the monocrystal of LiF. The authors are grateful to ESRF for the provided experimental time on the ID18 beamline (project MA-4429).
Funding
The work of R.A Baulin and M.A. Andreeva is performed in the framework of the state-budget theme No 01200108657.
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Translated by A. Muravnik
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Baulin, R.A., Andreeva, M.A., Chumakov, A.I. et al. Polarization Analysis for the Interpretation of Poorly Resolved Synchrotron Mössbauer Spectra. Moscow Univ. Phys. 77, 57–60 (2022). https://doi.org/10.3103/S0027134922010222
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DOI: https://doi.org/10.3103/S0027134922010222