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Probing the manipulation of antiferromagnetic order in CuMnAs films using neutron diffraction


S. F. Poole

L. X. Barton

M. Wang

P. Manuel

D. Khalyavin

S. Langridge

Associate Professor & Reader in Physics


Assistant Professor in Experimentalcondensed Matter Physics


We describe measurements of the uniaxial magnetic anisotropy and spin-flop rotation of the Néel vector in antiferromagnetic CuMnAs thin films using neutron diffraction. The suppression of the magnetic (100) peak under magnetic fields is observed for films as thin as 20 nm, indicating that they undergo a spin-flop transition. Good agreement is found between neutron diffraction and electrical transport measurements of the spin-flop rotation in the same layer with similar shape and hysteresis of the obtained curves, while the neutron measurements provide a quantitative determination of the spin flop extending throughout the antiferromagnet layer.


Poole, S. F., Barton, L. X., Wang, M., Manuel, P., Khalyavin, D., Langridge, S., …Wadley, P. (2022). Probing the manipulation of antiferromagnetic order in CuMnAs films using neutron diffraction. Applied Physics Letters, 121(5), Article 052402.

Journal Article Type Article
Acceptance Date Jul 16, 2022
Online Publication Date Aug 3, 2022
Publication Date Aug 1, 2022
Deposit Date Aug 4, 2022
Publicly Available Date Aug 4, 2022
Journal Applied Physics Letters
Print ISSN 0003-6951
Electronic ISSN 1077-3118
Publisher American Institute of Physics
Peer Reviewed Peer Reviewed
Volume 121
Issue 5
Article Number 052402
Keywords Physics and Astronomy (miscellaneous)
Public URL
Publisher URL


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