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  Non-collinear magnetic structure of manganese quadruple perovskite CdMn7O12

Guo, H., Fernández-Díaz, M. T., Zhou, L., Yin, Y., Long, Y., & Komarek, A. C. (2017). Non-collinear magnetic structure of manganese quadruple perovskite CdMn7O12. Scientific Reports, 7: 45939, pp. 1-9. doi:10.1038/srep45939.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-2DEB-B Version Permalink: http://hdl.handle.net/21.11116/0000-0001-5B07-2
Genre: Journal Article

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 Creators:
Guo, H.1, Author              
Fernández-Díaz, M. T.2, Author
Zhou, L.2, Author
Yin, Y.2, Author
Long, Y.2, Author
Komarek, A. C.3, Author              
Affiliations:
1Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
2External Organizations, ou_persistent22              
3Alexander Komarek, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863446              

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 Abstract: We report on the magnetic structure of CdMn7O12 determined by powder neutron diffraction. We were able to measure the magnetic structure of this Cd containing and highly neutron absorbing material by optimizing the sample geometry and by blending the CdMn7O12 with Aluminum powder. Below its Neel temperature TN1 all magnetic reflections can be indexed by a single commensurate propagation vector k = (0, 0, 1). This is different to the case of CaMn7O12 where the propagation vector is incommensurate and where an in-plane helical magnetic structure has been found. We observe a commensurate noncollinear magnetic structure in CdMn7O12 with in-plane aligned magnetic moments resembling the ones in CaMn7O12. However, the commensurate propagation vector prevents the appearance of a helical magnetic structure in CdMn7O12. Finally, we also observe a third structural phase transition below similar to 60 K that can be attributed to phase separation.

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Language(s): eng - English
 Dates: 2017-04-052017-04-05
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000398340900002
DOI: 10.1038/srep45939
 Degree: -

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Title: Scientific Reports
  Abbreviation : Sci. Rep.
Source Genre: Journal
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Publ. Info: London, UK : Nature Publishing Group
Pages: - Volume / Issue: 7 Sequence Number: 45939 Start / End Page: 1 - 9 Identifier: ISSN: 2045-2322
CoNE: /journals/resource/2045-2322