2021
DOI: 10.48550/arxiv.2107.05059
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Chirality of Bloch domain walls in exchange biased CoO/Co bilayer seen by waveguide-enhanced neutron spin-flip scattering

Yu. Khaydukov,
D. Lenk,
V. Zdravkov
et al.

Abstract: Magnetic state of exchanged biased CoO(20nm)/Co(dF ) bilayer (dF =5-20nm) was studied by means of polarized neutron reflectometry. By spacing of CoO/Co bilayer and Al2O3 substrate with Nb(20nm) layer we created waveguide structure which allowed us to significantly enhance intensity of spin-flip (SF) scattering in the position of optical resonances. For the trained sample with thinnest Co(5nm) we detected strong SF scattering at the resonance position (up to 30% of incoming intensity) speaking about high non-co… Show more

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