Magnetization reversal of noncentral antisymmetric antiferromagnetic crystals of cobalt and iron fluorides
A. V. BibikPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov 1N. F. KharchenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov 1S. V. PetrovP. N. Lebedev Institute of Physical Problems, Academy of Sciences of the USSR, Moscow 2
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Visual and magnetooptical investigations of coercion into single-domain state and magnetization reversal processes are carried out in antiferromagnetic tetragonal crystals of CoF2 and FeF2. Antiferromagnetic domain boundaries were set in motion by using the methods based on the piezomagnetic effect and quadratic magnetization. The coercivity of AFM domain walls in CoF2 is determined and the values of threshold pressure which sets a domain wall into motion are obtained.
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