Magnetic structure of the antiferromagnetic half-Heusler compound NdBiPt

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DOIResolve DOI: http://doi.org/10.1103/PhysRevB.92.184432
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TypeArticle
Journal titlePhysical Review B
ISSN1098-0121
1550-235X
Volume92
Issue18
Pages184432-1184432-7
AbstractWe present results of single-crystal neutron-diffraction experiments on the rare-earth, half-Heusler antiferromagnet (AFM) NdBiPt. This compound exhibits an AFM phase transition at TN=2.18 K with an ordered moment of 1.78(9)μB per Nd atom. The magnetic moments are aligned along the [001] direction, arranged in a type-I AFM structure with ferromagnetic planes, alternating antiferromagnetically along a propagation vector τ of (100). The RBiPt (R = Ce–Lu) family of materials has been proposed as candidates for a new family of antiferromagnetic topological insulators (AFTIs) with a magnetic space group that corresponds to a type-II AFM structure where ferromagnetic sheets are stacked along the space diagonal. The resolved structure makes it unlikely that NdBiPt qualifies as an AFTI.
Publication date
PublisherAmerican Physical Society
LanguageEnglish
AffiliationNational Research Council Canada; Security and Disruptive Technologies
Peer reviewedYes
NPARC number23001554
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Record identifier878dcb81-d630-4490-bb5b-1d09b41c3434
Record created2017-03-06
Record modified2017-03-06
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