Structural and magnetic properties of transition metal oxide/metal bilayers prepared by in situ oxidation |
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| Institution: | 1. Department of Theoretical Physics, Institute of Physics, Jan Dlugosz University in Czestochowa, Am. Armii Krajowej 13/15, Czestochowa, Poland;2. Laboratoire de Physique et Chimie Quantique, University Mouloud Mammeri de Tizi-Ouzou, B.P. No. 17 RP, 15000 Tizi-Ouzou, Algeria;3. Department of Physics, University du Maine, 72085 Le Mans, France;4. College of Engineering and Technology, American University of the Middle East, Eqaila, Kuwait |
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| Abstract: | Metal oxide/metal bilayers have been prepared by in situ oxidation. Ultrathin layers with antiferromagnetic properties are formed at room temperature by controlled in situ exposure of clean Fe, Co and Ni layers to pure oxygen gas. X-ray diffraction, Auger electron spectroscopy and transmisson electron microscopy have been applied to provide a detailed analysis of the layered structure. The magnetic properties of these antiferromagnetic/ferromagnetic bilayers are characterized by an interfacial coupling (exchange bias) which drastically varies with the type of antiferromagnetic material. |
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