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Elucidation of the helical spin structure of FeAs

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 22 Feb 2017Embargo end date: 01 Jan 2017 Germany, United Kingdom, Taiwan English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 95 (issn: 2469-9950, eissn: 2469-9969,

Authors: T. Frawley; R. Schoonmaker; S. H. Lee; C.-H. Du; P. Steadman; J. Strempfer; Kh. A. Ziq; +3 Authors

doi: 10.1103/physrevb.95.064424 , 10.3204/pubdb-2017-01848 , 10.48550/arxiv.1702.07660

arXiv: http://arxiv.org/abs/1702.07660

Elucidation of the helical spin structure of FeAs

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Abstract

We present the results of resonant x-ray scattering measurements and electronic structure calculations on the monoarsenide FeAs. We elucidate details of the magnetic structure, showing the ratio of ellipticity of the spin helix is larger than previously thought, at 2.58(3), and reveal both a right-handed chirality and an out-of-plane component of the magnetic moments in the spin helix. We find that electronic structure calculations and analysis of the spin-orbit interaction are able to qualitatively account for this canting.

Physical review / B 95(6), 064424(2017). doi:10.1103/PhysRevB.95.064424

Published by APS, Woodbury, NY

Countries

Germany, United Kingdom, Taiwan

Related Organizations

King Fahd University of Petroleum & Minerals
Saudi Arabia
Deutsches Elektronen-Synchrotron DESY
Germany
Helmholtz Association of German Research Centres
Germany
Durham University
United Kingdom
King Fahd University of Petroleum and Minerals
Saudi Arabia

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Keywords

Condensed Matter - Strongly Correlated Electrons, Strongly Correlated Electrons (cond-mat.str-el), FOS: Physical sciences, info:eu-repo/classification/ddc/530, 530

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