A 57Fe Mössbauer study of FeTe1-xSx

A. Sklyarova; J. Lindén; E. L. Rautama; M. Karppinen

doi:10.1016/j.jmmm.2012.10.013

A ⁵⁷Fe Mössbauer study of FeTe_1-xS_x

A. Sklyarova, J. Lindén^*, E. L. Rautama, M. Karppinen

^*Corresponding author for this work

Physics

Research output: Contribution to journal › Article › Scientific › peer-review

6 Citations (Scopus)

Abstract

A polycrystalline FeTe1_-x^Sx sample was synthesized using a solid-state reaction method. Magnetization data obtained in the zero-field cooling and field-cooling regimes revealed a superconductivity transition with the critical temperature ^Tc≈10K. ⁵⁷Fe Mössbauer spectra were recorded in the temperature interval from 5.4 to 300 K in transmission geometry to reveal three components below 77 K: two magnetic and one paramagnetic. One of the magnetic components and the paramagnetic component belong to the FeTe1_-x^Sx phase. Unusual behavior of hyperfine field for the smaller of the magnetic components was observed, signifying possible competition between antiferromagnetism and superconductivity.

Original language	English
Pages (from-to)	129-132
Number of pages	4
Journal	Journal of Magnetism and Magnetic Materials
Volume	329
DOIs	https://doi.org/10.1016/j.jmmm.2012.10.013
Publication status	Published - Mar 2013
MoE publication type	A1 Journal article-refereed

Keywords

Fe Mössbauer spectroscopy
Chalcogenide superconductor

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10.1016/j.jmmm.2012.10.013

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title = "A 57Fe M{\"o}ssbauer study of FeTe1-xSx",

abstract = "A polycrystalline FeTe1-xSx sample was synthesized using a solid-state reaction method. Magnetization data obtained in the zero-field cooling and field-cooling regimes revealed a superconductivity transition with the critical temperature Tc≈10K. 57Fe M{\"o}ssbauer spectra were recorded in the temperature interval from 5.4 to 300 K in transmission geometry to reveal three components below 77 K: two magnetic and one paramagnetic. One of the magnetic components and the paramagnetic component belong to the FeTe1-xSx phase. Unusual behavior of hyperfine field for the smaller of the magnetic components was observed, signifying possible competition between antiferromagnetism and superconductivity.",

keywords = "Fe M{\"o}ssbauer spectroscopy, Chalcogenide superconductor",

author = "A. Sklyarova and J. Lind{\'e}n and Rautama, {E. L.} and M. Karppinen",

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T1 - A 57Fe Mössbauer study of FeTe1-xSx

AU - Sklyarova, A.

AU - Lindén, J.

AU - Rautama, E. L.

AU - Karppinen, M.

PY - 2013/3

Y1 - 2013/3

N2 - A polycrystalline FeTe1-xSx sample was synthesized using a solid-state reaction method. Magnetization data obtained in the zero-field cooling and field-cooling regimes revealed a superconductivity transition with the critical temperature Tc≈10K. 57Fe Mössbauer spectra were recorded in the temperature interval from 5.4 to 300 K in transmission geometry to reveal three components below 77 K: two magnetic and one paramagnetic. One of the magnetic components and the paramagnetic component belong to the FeTe1-xSx phase. Unusual behavior of hyperfine field for the smaller of the magnetic components was observed, signifying possible competition between antiferromagnetism and superconductivity.

AB - A polycrystalline FeTe1-xSx sample was synthesized using a solid-state reaction method. Magnetization data obtained in the zero-field cooling and field-cooling regimes revealed a superconductivity transition with the critical temperature Tc≈10K. 57Fe Mössbauer spectra were recorded in the temperature interval from 5.4 to 300 K in transmission geometry to reveal three components below 77 K: two magnetic and one paramagnetic. One of the magnetic components and the paramagnetic component belong to the FeTe1-xSx phase. Unusual behavior of hyperfine field for the smaller of the magnetic components was observed, signifying possible competition between antiferromagnetism and superconductivity.

KW - Fe Mössbauer spectroscopy

KW - Chalcogenide superconductor

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DO - 10.1016/j.jmmm.2012.10.013

M3 - Article

AN - SCOPUS:84870410323

SN - 0304-8853

VL - 329

SP - 129

EP - 132

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

ER -

A ⁵⁷Fe Mössbauer study of FeTe_1-xS_x

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