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  Crystal structure and Mössbauer studies of the isotypic Fe6-cluster compounds RE15[Fe8C25], RE=Dy, Ho

Davaasuren, B., Dashjav, E., Kreiner, G., Borrmann, H., Weber, S.-U., Becker, K.-D., et al. (2015). Crystal structure and Mössbauer studies of the isotypic Fe6-cluster compounds RE15[Fe8C25], RE=Dy, Ho. Journal of Solid State Chemistry, 225(0), 450-454. doi:10.1016/j.jssc.2015.01.019.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-B63C-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-2F48-7
Genre: Journal Article

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 Creators:
Davaasuren, Bambar1, Author              
Dashjav, Enkhtsetseg1, Author              
Kreiner, Guido2, Author              
Borrmann, Horst3, Author              
Weber, Sven-Ulf4, Author
Becker, Klaus-Dieter4, Author
Litterst, Fred Jochen4, Author
Kniep, Rüdiger5, Author              
Affiliations:
1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
2Guido Kreiner, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863433              
3Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863410              
4External Organizations, ou_persistent22              
5Rüdiger Kniep, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863437              

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Free keywords: Carboferrate
 Abstract: Abstract The carboferrates RE15[Fe8C25] (RE=Dy, Ho) were prepared from mixtures of the elements by arc-melting followed with subsequent annealing at 1373xa0;K. The crystal structures were determined from single crystal X-ray diffraction data and revealed an isotypic relationship to Er15[Fe8C25] (hP48, P321). The main feature of the crystal structure is given by Fe6 cluster units characterized by covalent Fe–Fe bonding interactions. 57Fe Mössbauer spectra of Dy15[Fe8C25] were fitted by three subspectra with relative spectral weights of about 3:3:2 which is in general agreement with the crystal structure. Below 50xa0;K, an onset of magnetic hyperfine fields at the three iron sites is observed which is supposed to be caused by dipolar fields arising from neighboring, slowly relaxing Dy magnetic moments.

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 Dates: 2015-02-022015-04-14
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1016/j.jssc.2015.01.019
 Degree: -

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Title: Journal of Solid State Chemistry
Source Genre: Journal
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Publ. Info: Orlando, Fla. : Academic Press
Pages: - Volume / Issue: 225 (0) Sequence Number: - Start / End Page: 450 - 454 Identifier: ISSN: 0022-4596
CoNE: /journals/resource/954922646045