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Title: Emergent Frustration in Co-doped β-Mn
Authors: Paddison, JAM
Stewart, JR
Manuel, P
Courtois, P
McIntyre, GJ
Rainford, BD
Goodwin, AL
Keywords: SPIN
Issue Date: 28-Jun-2013
Publisher: American Physical Society
Citation: Paddison, J. A. M., Stewart, J. R., Manuel, P., Courtois, P., McIntyre, G. J., Rainford, B. D., & Goodwin, A. L. (2013). Emergent Frustration in Co-doped β-Mn. Physical Review Letters, 110 (26), Article Number 267207.
Abstract: We investigate low-temperature spin correlations in the metallic frustrated magnet beta-Mn1-xCox. Single-crystal polarized-neutron scattering experiments reveal the persistence of highly structured magnetic diffuse scattering and the absence of periodic magnetic order to T = 0.05 K. We employ reverse Monte Carlo refinements and mean-field theory calculations to construct an effective Hamiltonian which accounts for the magnetic scattering. The interactions we identify describe an emergent spin structure which mimics the triangular lattice antiferromagnet, one of the canonical models of frustrated magnetism. © 2013, American Physical Society.
ISSN: 0031-9007
Appears in Collections:Journal Articles

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