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Anisotropy and Damping of Molecules/Cobalt Hybrid Thin Films

机译:分子/钴杂化薄膜的各向异性和阻尼

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摘要

We have investigated the magnetic properties of evaporated Co thin films covalently functionalized with different organic thin films, namely, 1-(2-bisthienyl benzene) and nitrobenzene. The coating is realized thanks to a diazonium-based electro-reduction process. Brillouin light scattering experiments revealed that the magnetic properties are sensitive to the presence of the organic film. For 1-(2-bisthienyl benzene) thin films, the perpendicular magnetic anisotropy is increased as well as the magnetic damping. However, for nitrobenzene, only the perpendicular anisotropy is increased albeit less than for 1-(2-bisthienyl benzene). This change in magnetic properties might be attributed to the coupling with the organic molecules.
机译:我们研究了与不同的有机薄膜共价官能化的蒸镀Co薄膜的磁性,这些薄膜分别是1-(2-双噻吩基苯)和硝基苯。涂层的实现归功于重氮基电还原工艺。布里渊光散射实验表明,磁性对有机膜的存在很敏感。对于1-(2-二噻吩基苯)薄膜,垂直磁各向异性和磁阻尼都增加了。然而,对于硝基苯,仅垂直各向异性增加,尽管小于1-(2-双噻吩基苯)。磁性的这种变化可能归因于与有机分子的偶联。

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