2005•physica status solidi (b)Requires access

Non‐collinear magnetic states in Ni–Fe/Au/Co/Au multilayers investigated by magnetoresistance measurements

F. Stobiecki, M. Urbaniak, B. Szymański, M. Schmidt, Tadeusz Lucinski

Abstract

Abstract Sputtered Ni80Fe20/Au/Co/Au multilayers (MLs) exhibit perpendicular anisotropy of Co layers and easy‐plane anisotropy of Permalloy layers. In these samples the changes of relative orientation of magnetization between Co and NiFe layers, with magnetic field, can be determined by magnetoresistance measurements. The magnetic structure is discussed for two types of Ni80Fe20/Au/Co/Au MLs characterized by a weak coupling between ferromagnetic layers: (i) MLs with rectangular hysteresis loops and small coercive field, (ii) MLs with dense stripe domain structure in Co layers. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Available abstract

Key concepts: Permalloy, Magnetoresistance, Condensed matter physics, Materials science, Ferromagnetism, Coercivity, Magnetization, Hysteresis