Journal Articles Physical Review B: Condensed Matter and Materials Physics (1998-2015) Year : 2003

Interface domain wall and exchange bias phenomena in ferrimagnetic/ferrimagnetic bilayers

Abstract

In Gd 40 Fe 60 /Tb 12 Fe 88 exchange-coupled bilayer system, both negative and positive exchange bias, depending on cooling field, are observed. A full enlightenment of the magnetic configurations adopted by the system is obtained through micromagnetic calculations in agreement with magnetization and susceptibility measurements. Magnetization shifts and exchange bias fields are then quantitatively correlated to the presence of a frozen interface domain wall. This model may be transposed to antiferromagnetically exchange coupled antiferromagnetic/ferromagnetic (Fe/FeF 2 or Fe/MnF 2) systems
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hal-02104715 , version 1 (19-04-2019)

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S. Mangin, F. Montaigne, A. Schuhl. Interface domain wall and exchange bias phenomena in ferrimagnetic/ferrimagnetic bilayers. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2003, 68 (14), ⟨10.1103/PhysRevB.68.140404⟩. ⟨hal-02104715⟩
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