A 57Fe Mössbauer study of FeTe1-xSx

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

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

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 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.

Original languageEnglish
Pages (from-to)129-132
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume329
DOIs
Publication statusPublished - Mar 2013
MoE publication typeA1 Journal article-refereed

Keywords

  • Fe Mössbauer spectroscopy
  • Chalcogenide superconductor

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