Abstract
Spin valves containing CoFe/Dy/CoFe nanostructure as a pinned layer were prepared by magnetron sputtering. Investigations of microstructure and magnetoresistive properties were performed. The magnetoresistive properties of the spin valve were used as the instrument to study the changes in magnetic state of the dysprosium layer. The existence of noncollinear magnetic ordering in dysprosium polycrystalline nanolayer was observed. The angle between the magnetic moments in a top and bottom part of the dysprosium layer was estimated.
Highlights
Euro-Asian Symposium “Trends in Magnetism”V V Ustinov, M A Milyaev 1,2, R S Zavornitsyn, T P Krinitsina 1, V V Proglyado and L I Naumova
Bulk dysprosium is ferromagnetic below TC = 85 K, antiferromagnetic in the 85 - 179 K temperature range, and paramagnetic above the Neel temperature TN = 179 K
The [11-21] direction in the base plane corresponds to the easy magnetic axis (EA) [2]
Summary
V V Ustinov, M A Milyaev 1,2, R S Zavornitsyn, T P Krinitsina 1, V V Proglyado and L I Naumova.
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