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  Assignment of enantiomorphs for the chiral allotrope β-Mn by diffraction methods

Burkhardt, U., Winkelmann, A., Borrmann, H., Dumitriu, A., König, M., Cios, G., et al. (2021). Assignment of enantiomorphs for the chiral allotrope β-Mn by diffraction methods. Science Advances, 7(20): eabg0868, pp. 1-10. doi:10.1126/sciadv.abg0868.

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 Creators:
Burkhardt, Ulrich1, Author              
Winkelmann, Aimo2, Author
Borrmann, Horst3, Author              
Dumitriu, Andreea4, Author              
König, Markus5, Author              
Cios, Grzegorz2, Author
Grin, Yuri6, Author              
Affiliations:
1Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863422              
2External Organizations, ou_persistent22              
3Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863410              
4Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
5Markus König, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863470              
6Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: The assignment of enantiomorphs by diffraction methods shows fundamental differences for x-rays and electrons. This is particularly evident for the chiral allotrope of β-Mn. While it is not possible to determine the sense of chirality of β-Mn with established x-ray diffraction methods, Kikuchi pattern simulation of the enantiomorphs reveals differences, if dynamical electron diffraction is considered. Quantitative comparison between experimental and simulated Kikuchi patterns allows the spatially resolved assignment of the enantiomorph in polycrystalline materials of β-Mn, as well as the structurally strongly related phase Pt2Cu3B. On the basis of enantiomorph distribution maps, crystals were extracted from enantiopure domains by micropreparation techniques. The x-ray diffraction analyses confirm the assignment of the Kikuchi pattern evaluations for Pt2Cu3B and do not allow to distinguish between the enantiomorphs of β-Mn.

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Language(s): eng - English
 Dates: 2021-05-142021-05-14
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1126/sciadv.abg0868
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Title: Science Advances
  Other : Sci. Adv.
Source Genre: Journal
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Publ. Info: Washington : AAAS
Pages: - Volume / Issue: 7 (20) Sequence Number: eabg0868 Start / End Page: 1 - 10 Identifier: ISSN: 2375-2548
CoNE: https://pure.mpg.de/cone/journals/resource/2375-2548