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Magnetization textures in NiPd nanostructures



Jean-Yves Chauleau, Benjamin James McMorran, R. Belkhou, Nicolas Bergeard, Tevfik Mente?, Miguel Angel Nino, Andrea Locatelli, John Unguris, Stanislas Rohart, Jacques Miltat, Andre Thiaville


We have observed peculiar magnetization textures in Ni80Pd20 nanostructures, by three different imaging techniques (MFM, XMCD-PEEM and SEMPA). The appearance of diamond-like domains with strong lateral charges, and of weak stripes structures brings into evidence the presence of both a transverse and a perpendicular anisotropy in these nanostrips. This anisotropy is seen to reinforce as temperature decreases, as testified by a simplified domain structure at 150 K. A thermal stress relaxation model is proposed to explain these observations. Elastic calculations coupled to micromagnetic simulations support qualitatively this model.
Physical Review B


Chauleau, J. , McMorran, B. , Belkhou, R. , Bergeard, N. , Mente?, T. , Nino, M. , Locatelli, A. , Unguris, J. , Rohart, S. , Miltat, J. and Thiaville, A. (2011), Magnetization textures in NiPd nanostructures, Physical Review B, [online], (Accessed April 18, 2024)
Created September 14, 2011, Updated October 12, 2021