Universal magnetic and structural behaviors in the iron arsenides

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DOIResolve DOI: http://doi.org/10.1103/PhysRevB.81.014501
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TypeArticle
Journal titlePhysical review. B, Condensed matter and materials physics
Volume81
Issue1
Pages014501-1014501-7
AbstractCommonalities among the order parameters of the ubiquitous antiferromagnetism present in the parent compounds of the iron arsenide high-temperature superconductors are explored. Additionally, comparison is made between the well established two-dimensional Heisenberg-Ising magnet, K₂NiF₄, and iron arsenide systems residing at a critical point whose structural and magnetic phase transitions coincide. In particular, analysis is presented regarding two distinct classes of phase-transition behavior reflected in the development of antiferromagnetic and structural order in the three main classes of iron arsenide superconductors. Two distinct universality classes are mirrored in their magnetic phase transitions which empirically are determined by the proximity of the coupled structural and magnetic phase transitions in these materials.
Publication date
LanguageEnglish
AffiliationNRC Canadian Neutron Beam Centre; National Research Council Canada
Peer reviewedYes
NPARC number16945676
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Record identifier6731df81-e0dd-4e82-8c9e-49844d1a0e00
Record created2011-03-03
Record modified2016-05-09
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