Journal
EPL
Volume 91, Issue 1, Pages -Publisher
EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
DOI: 10.1209/0295-5075/91/17009
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- C'Nano Ile-de-France
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We study the magnetic domain wall structure in magnetic bilayers (two ultrathin ferromagnetic layers separated by a non-magnetic spacer) with perpendicular magnetization. Combining magnetic force and ballistic electron emission microscopies, we are able to reveal the details of the magnetic structure of the wall with a high spatial accuracy. In these layers, we show that the classical Bloch wall observed in single layers transforms into superposed Neel walls due to the magnetic coupling between the ferromagnetic layers. Quantitative agreement with micromagnetic calculations is achieved. Copyright (C) EPLA, 2010
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