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Elucidation of the helical spin structure of FeAs

Frawley, T.; Schoonmaker, R.; Lee, S.H.; Du, C.-H.; Steadman, P.; Strempfer, J.; Ziq, Kh. A.; Clark, S.J.; Lancaster, T.; Hatton, P.D.

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Authors

T. Frawley

R. Schoonmaker

S.H. Lee

C.-H. Du

P. Steadman

J. Strempfer

Kh. A. Ziq

S.J. Clark



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.

Citation

Frawley, T., Schoonmaker, R., Lee, S., Du, C., Steadman, P., Strempfer, J., …Hatton, P. (2017). Elucidation of the helical spin structure of FeAs. Physical Review B, 95(6), Article 064424. https://doi.org/10.1103/physrevb.95.064424

Journal Article Type Article
Acceptance Date Feb 22, 2017
Online Publication Date Feb 22, 2017
Publication Date Feb 22, 2017
Deposit Date Feb 28, 2017
Publicly Available Date Mar 3, 2017
Journal Physical Review B
Print ISSN 2469-9950
Electronic ISSN 2469-9969
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 95
Issue 6
Article Number 064424
DOI https://doi.org/10.1103/physrevb.95.064424
Public URL https://durham-repository.worktribe.com/output/1363445
Related Public URLs https://arxiv.org/abs/1702.07660

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Copyright Statement
Reprinted with permission from the American Physical Society: Frawley, T., Schoonmaker, R., Lee, S. H. Du, C.-H. Steadman, P. Strempfer, J. Ziq, Kh. A. Clark, S. J., Lancaster, T. & Hatton, P. D. (2017). Elucidation of the helical spin structure of FeAs. Physical Review B 95(6): 064424 © 2017 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.






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