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  Tetragonal Superstructure of the Antiskyrmion Hosting Heusler Compound Mn1.4PtSn

Vir, P., Kumar, N., Borrmann, H., Jamijansuren, B., Kreiner, G., Shekhar, C., et al. (2019). Tetragonal Superstructure of the Antiskyrmion Hosting Heusler Compound Mn1.4PtSn. Chemistry of Materials, 31(15), 5876-5880. doi:10.1021/acs.chemmater.9b02013.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-9213-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-9224-E
Genre: Journal Article

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 Creators:
Vir, Praveen1, Author              
Kumar, Nitesh1, Author              
Borrmann, Horst2, Author              
Jamijansuren, Bayardulam1, Author              
Kreiner, Guido3, Author              
Shekhar, Chandra4, Author              
Felser, Claudia5, Author              
Affiliations:
1Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
2Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863410              
3Guido Kreiner, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863433              
4Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              
5Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: Skyrmions in non-centrosymmetric magnets are vortex-like spin arrangements, viewed as potential candidates for information storage devices. The crystal structure and noncollincar magnetic structure together with magnetic and spin-orbit interactions define the symmetry of the skyrmion structure. We outline the importance of these parameters in the Heusler compound Mn1.4PtSn which hosts antiskyrmions, a vortex-like spin texture related to skyrmions. We overcome the challenge of growing large micro-twin-free single crystals of Mn1.4PtSn, which has proved to be the bottleneck for realizing bulk skyrmionic/antiskyrmionic states in a compound. The use of Sd-transition metal, platinum, together with manganese as constituents in the Heusler compound such as Mn1.4PtSn is a precondition for the noncollinear magnetic structure. Because of the tetragonal inverse Heusler structure, Mn1.4PtSn exhibits large magnetocrystalline anisotropy and D-2d symmetry, which are necessary for antiskyrmions. The superstructure in Mn1.4PtSn is induced by Mn-vacancies, which enable a ferromagnetic exchange interaction to occur. Mn1.4PtSn, the first known tetragonal Heusler superstructure compound, opens up a new research direction for properties related to the superstructure in a family containing thousands of compounds.

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Language(s): eng - English
 Dates: 2019-07-112019-07-11
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1021/acs.chemmater.9b02013
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Title: Chemistry of Materials
  Abbreviation : Chem. Mater.
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 31 (15) Sequence Number: - Start / End Page: 5876 - 5880 Identifier: ISSN: 0897-4756
CoNE: https://pure.mpg.de/cone/journals/resource/954925561571