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  The magnetic phase diagram of Sr2Fe3Ch2O3 (Ch = S, Se)

Guo, H., Fernández-Díaz, M. T., Lai, K. T., Valldor, M., & Komarek, A. C. (2021). The magnetic phase diagram of Sr2Fe3Ch2O3 (Ch = S, Se). Journal of Magnetism and Magnetic Materials, 532: 167936, pp. 1-6. doi:10.1016/j.jmmm.2021.167936.

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 Creators:
Guo, H.1, Author           
Fernández-Díaz, M. T.2, Author
Lai, K. T.1, Author           
Valldor, M.3, Author           
Komarek, A. C.4, Author           
Affiliations:
1Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
2External Organizations, ou_persistent22              
3Martin Valldor, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863454              
4Alexander Komarek, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863446              

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Free keywords: Iron chalcogenide, Magnetism, Neutron diffraction, Phase diagram, Spin structure, Iron compounds, Magnetic structure, Neutron diffraction, Phase diagrams, Selenium compounds, Strontium compounds, Temperature, Fe$+3+$, Highest temperature, Iron chalcogenides, Lock-in, Low-temperature structure, Magnetic phase diagrams, Magnetic transitions, Powder neutron diffraction, Propagation vector, Spin structures, Magnetism
 Abstract: We here report on the complex magnetic structures within the Sr2Fe3Ch2O3 (Ch = S and Se) system that we studied by means of powder neutron diffraction. Successive magnetic transitions occur in the magnetic phase diagram of both compounds with an incommensurate character of the magnetic structure at higher temperatures and a lock-in to commensurate low temperature structures. The commensurate propagation vector for the Ch = S compound is different from the Se containing compound which could be indicative for changes in the size of competing exchange interactions implied by structural changes within the two materials. © 2021 Elsevier B.V.

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Language(s): eng - English
 Dates: 2021-04-022021-04-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.jmmm.2021.167936
 Degree: -

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Title: Journal of Magnetism and Magnetic Materials
  Other : Journal of Magnetism and Magnetic Materials: MMM
  Abbreviation : J. Magn. Magn. Mater.
Source Genre: Journal
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Publ. Info: Amsterdam : NH, Elsevier
Pages: - Volume / Issue: 532 Sequence Number: 167936 Start / End Page: 1 - 6 Identifier: ISSN: 0304-8853
CoNE: https://pure.mpg.de/cone/journals/resource/954925512464