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Persistent URL http://purl.org/net/epubs/work/65835
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Record Id 65835
Title MnSb_{2}O_{6}: A Polar Magnet with a Chiral Crystal Structure
Abstract Structural and magnetic chiralities are found to coexist in a small group of materials in which they produce intriguing phenomenologies such as the recently discovered Skyrmion phases. Here, we describe a previously unknown manifestation of this interplay in MnSb2O6, a trigonal oxide with a chiral crystal structure. Unlike all other known cases, the MnSb2O6 magnetic structure is based on corotating cycloids rather than helices. The coupling to the structural chirality is provided by a magnetic axial vector, related to the so-called vector chirality. We show that this unique arrangement is the magnetic ground state of the symmetric-exchange Hamiltonian, based on ab initio theoretical calculations of the Heisenberg exchange interactions, and is stabilized by out-of-plane anisotropy. MnSb2O6 is predicted to be multiferroic with a unique ferroelectric switching mechanism.
Organisation ISIS , ISIS-WISH , STFC
Keywords ISIS 2013
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Language English (EN)
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Journal Article Phys Rev Lett 111, no. 1 (2013): 017202. doi:10.1103/PhysRevLett.111.017202 2013