Effects of layering and magnetic annealing on the texture of CoPt films |
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| Authors: | A Markou T Bakas |
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| Institution: | a Department of Materials Science and Engineering, University of Ioannina, Ioannina 45110, Greece
b Physics Department, University of Ioannina, Ioannina 45110, Greece |
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| Abstract: | The effect of magnetic field annealing of magnetron sputtered CoPt alloy films and Co/Pt bilayers on the crystallographic texture of the obtained chemically ordered (L10) CoPt films is presented. In CoPt alloy films the main effect of the magnetic field is to suppress (1 1 1) growth in the early stages of L10 formation whereas the development of (0 0 1) versus (1 0 0) texture is related to chemical ordering strain. A higher degree of (0 0 1) texture is obtained by magnetically annealing Co/Pt bilayers since the initial (1 1 1) texture in the as-sputtered films is avoided and Co-Pt alloying occurs in the presence of the magnetic field. |
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| Keywords: | CoPt L10 ordering Magnetic annealing Crystallographic texture Perpendicular anisotropy |
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