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Magnetism in cubic manganese-rich Heusler compounds

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Wollmann,  Lukas
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Chadov,  Stanislav
Stanislav Chadov, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Felser,  Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Wollmann, L., Chadov, S., Kübler, J., & Felser, C. (2014). Magnetism in cubic manganese-rich Heusler compounds. Physical Review B, 90(21): 214420, pp. 1-11. doi:10.1103/PhysRevB.90.214420.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0024-9E2C-7
Abstract
Manganese-rich Heusler compounds are attracting much interest in the context of spin transfer torque and rare-earth free hard magnets. Here we give a comprehensive overview of the magnetic properties of noncentrosymmetric cubic Mn-2-based Heusler materials, which are characterized by an antiparallel coupling of magnetic moments on Mn atoms. Such a ferrimagnetic order leads to the emergence of new properties that are absent in ferromagnetic centrosymmetric Heusler structures. In terms of the band structure calculations, we explain the formation of this magnetic order and the Curie temperatures. This overview is intended to establish guidelines for a basic understanding of magnetism in Mn-2-based Heusler compounds.