Magnetic structure of the antiferromagnetic half-Heusler compound NdBiPt

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DOIResolve DOI: https://doi.org/10.1103/PhysRevB.92.184432
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  1. National Research Council Canada. Security and Disruptive Technologies
FormatText
TypeArticle
Journal titlePhysical Review B
ISSN1098-0121
1550-235X
Volume92
Issue18
Pages184432-1–184432-7
Abstract
We 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
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LanguageEnglish
Peer reviewedYes
NPARC number23001554
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Record identifier878dcb81-d630-4490-bb5b-1d09b41c3434
Record created2017-03-06
Record modified2019-03-12
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