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Micro magnetic dendritic domain structure in the demagnetized state of perpendicular magnetic ultrathin film: The effect of the width of the distribution of the energy barriers

Autor: R. Belhi, A. Adanlété Adjanoh

Publikováno v: Journal of Magnetism and Magnetic Materials. 473:12-15

We have used polar Kerr microscopy to study the magnetic domain structure in an ultrathin Au/Co(1 nm)/Au layer with perpendicular magnetic anisotropy. We present our demagnetization method of the sample. In the demagnetized state, we observed a dendr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4cb139819c6fce3139957b60af85512
https://doi.org/10.1016/j.jmmm.2018.10.025

Asymmetry of nucleation density and its variation with Pt spacer thickness in exchange-biased [Pt/Co]5/Pt/FeMn multilayers

Autor: Kahena Abdelmoula, R. Belhi, Aymen Fassatoui, Jan Vogel, Philippe David, Stefania Pizzini

Publikováno v: Journal of Magnetism and Magnetic Materials
Journal of Magnetism and Magnetic Materials, Elsevier, 2018, 449, pp.475-481. ⟨10.1016/j.jmmm.2017.10.050⟩

The magnetization reversal of perpendicular exchange-biased [Pt/Co]5/Pt/FeMn multilayers was investigated by magneto-optical Kerr microscopy. The effect of varying the Pt interlayer thickness between the topmost Co layer and the FeMn layer was studie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18d0ddff9c28807d6925ff06e28d07b9
https://doi.org/10.1016/j.jmmm.2017.10.050

Perpendicular exchange bias at room temperature in (Pt/Co) multilayers coupled to NiO antiferromagnetic layer

Autor: R. Belhi

Publikováno v: Solid State Communications. 301:113703

(Pt/Co) multilayers coupled to NiO exhibit a small exchange bias field H EB which is consistent with a NiO blocking temperature T B of about the room temperature. Direct deposition of nickel oxide on cobalt increased coercivity and induced a weak exc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08fecfc992888563e1cc95f9cf4961ed
https://doi.org/10.1016/j.ssc.2019.113703

Compressed exponential form for disordered domain wall motion in ultra-thin Au/Co/Au ferromagnetic films

Autor: K. Abdelmoula, A. Adjanlété Adjanoh, R. Belhi, Jan Vogel, M. Ayadi

Publikováno v: Journal of Magnetism and Magnetic Materials. 323:504-508

Magnetization reversal in ultra-thin Au/Co/Au films deposited on single crystal silicon (1 0 0) was investigated using Kerr microscopy. In the considered ultra-thin Co films, with a thickness between 0.7 and 1 nm, the coercivity and magnetic anisotro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dcf1655484c064f21eca3a3b42fdda5f
https://doi.org/10.1016/j.jmmm.2010.10.002