EXAFS-spectroscopy and thermal neutron diffraction study of the effect of deformation by high pressure torsion on the atomic ordering and magnetic properties of the FeCo alloy

•Neutron diffraction demonstrates a decrease of long-range order in FeCo alloy with increasing HPT.•EXAPS spectroscopy demonstrates the retention of long-range order in the nearest coordination spheres of FeCo.•When exposed to HPT an ultrafine B2 ordered domains appear in the FeCo alloy.•Saturation...

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