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Growth and characterization of Fe1-xGax thin films from citrate-based electrolytes

机译:柠檬酸盐基电解质中Fe1-xGax薄膜的生长和表征

摘要

In this work we report on the growth of Fe_(1-x)Gax films by means of the electrodeposition technique in baths containing sodium citrate as an antioxidant agent. We have investigated the effect of the electrolyte composition in terms of its Ga content on the structural and magnetic properties. Our experimental results indicate that for the optimized bath composition, O-free Fe_(1-x)Gax alloys can be achieved for a potential of E = -1.4 V and magnetic stirring at 500 rpm. Both, the composition and the coercivity of the samples deposited from this electrolyte can be tuned by means of the duration of the rest pulse at E = -1.12 V. However, when the composition of the bath is not optimized the films exhibit a large amount of O that cannot be dissolved during the rest pulse. Our experimental results show that O-free Fe_(1-x)Ga_x alloys with a Ga content around 19 at. % and optimum magnetic properties can be
机译:在这项工作中,我们报告了通过电沉积技术在含有柠檬酸钠作为抗氧化剂的镀液中Fe_(1-x)Gax膜的生长。我们已经就其Ga含量对结构和磁性能的影响研究了电解质组合物。我们的实验结果表明,对于优化的镀液组成,可以实现电势为E = -1.4 V并以500 rpm磁力搅拌的无O-Fe_(1-x)Gax合金。由这种电解质沉积的样品的成分和矫顽力都可以通过在E = -1.12 V时的静止脉冲的持续时间来调节。但是,当镀液的成分没有优化时,薄膜会显示大量在静止脉冲期间不能溶解的O。我们的实验结果表明,Ga含量约为19 at。的无O-Fe_(1-x)Ga_x合金。 %,并且最佳磁性能可以是

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