Low temperature magnetic structure of CeRhIn$_5$ by neutron diffraction on absorption-optimized samples

D M Fobes; E D Bauer; J D Thompson; A Sazonov; V Hutanu; S. Zhang; F Ronning; M Janoschek

doi:10.1088/1361-648X/aa6696

Low temperature magnetic structure of CeRhIn$_5$ by neutron diffraction on absorption-optimized samples

Strongly Correlated Electrons 2017-03-29 v2 Materials Science

Authors: D M Fobes , E D Bauer , J D Thompson , A Sazonov , V Hutanu , S. Zhang , F Ronning , M Janoschek

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Abstract

Two aspects of the ambient pressure magnetic structure of heavy fermion material CeRhIn $_5$ have remained under some debate since its discovery: whether the structure is indeed an incommensurate helix or a spin density wave, and what is the precise magnitude of the ordered magnetic moment. By using a single crystal sample optimized for hot neutrons to minimize neutron absorption by Rh and In, here we report an ordered moment of $m=0.54(2)~\mu_B$ . In addition, by using spherical neutron polarimetry measurements on a similar single crystal sample, we have confirmed the helical nature of the magnetic structure, and identified a single chiral domain.

Keywords

magnetic structure frustrated magnetism magnetoresistance

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@article{arxiv.1701.05488,
  title  = {Low temperature magnetic structure of CeRhIn$_5$ by neutron diffraction on absorption-optimized samples},
  author = {D M Fobes and E D Bauer and J D Thompson and A Sazonov and V Hutanu and S. Zhang and F Ronning and M Janoschek},
  journal= {arXiv preprint arXiv:1701.05488},
  year   = {2017}
}

Low temperature magnetic structure of CeRhIn$_5$ by neutron diffraction on absorption-optimized samples

Abstract

Keywords

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