Influence of Fe cap layer on the structural and magnetic properties of Fe49Pt51/Fe bi-layers |
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| Authors: | Duan Chao-Yang Ma Bin Wei Fu-Lin Zhang Zong-Zhi Jin Qing-Yuan |
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| Affiliation: | Research Institute of Magnetic Materials, LanzhouUniversity, Lanzhou 730000, China; State Key Laboratory for Advanced PhotonicMaterials and Devices, and Department of Optical Science andEngineering, FudanUniversity, Shanghai 200433, China |
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| Abstract: | The influences of an Fe cap layer on the structural and magneticproperties of FePt/Fe bi-layers are investigated. Compared withsingle FePt alloy films, a thin Fe layer can affect the crystallineorientation and improve the chemical ordering of L10 FePtfilms. Moreover, the coercivity increases when a thin Fe layercovers the FePt layer. Beyond a critical thickness, however, theFe cover layer quickens the magnetization reversal ofFe49Pt51/Fe bi-layers by their exchange coupling. |
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| Keywords: | Fe cap layer L10 FePt magnetism |
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