Antiferromagnetic critical fluctuations in BaFe2As2

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DOIResolve DOI: http://doi.org/10.1103/PhysRevB.82.144502
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TypeArticle
Journal titlePhysical review. B, Condensed matter and materials physics
Volume82
Issue14
Pages144502-1144502-6
AbstractMagnetic correlations near the magnetostructural phase transition in the bilayer iron-pnictide parent compound, BaFe₂As₂, are measured. In close proximity to the antiferromagnetic phase transition in BaFe₂As₂, a crossover to three-dimensional critical behavior is anticipated and has been preliminarily observed. Here we report complementary measurements of two-dimensional magnetic fluctuations over a broad temperature range about TN. The potential role of two-dimensional critical fluctuations in the magnetic phase behavior of BaFe₂As₂ and their evolution near the anticipated crossover to three-dimensional critical behavior and longrange order are discussed.
Publication date
LanguageEnglish
AffiliationNRC Canadian Neutron Beam Centre; National Research Council Canada
Peer reviewedYes
NPARC number16945679
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Record identifier8b5f37f4-51d0-4552-b50e-74f15d3e2852
Record created2011-03-03
Record modified2016-05-09
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