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The influence of homogenous external magnetic field on morphology and magnetic properties of CoRu nanowire arrays
Materials Science and Engineering: B ( IF 3.6 ) Pub Date : 2020-09-18 , DOI: 10.1016/j.mseb.2020.114795
Iwona Dobosz , Dawid Kutyła , Malgorzata Kac , Grzegorz Włoch , Piotr Żabiński

CoRu nanowire arrays (NWs) were fabricated by DC electrodeposition into hexagonally ordered alumina pores. A homogeneous magnetic field, parallel to the membrane plane, was applied during the deposition to control the wire growth. The largest magnetic field (of 0.6 T) strongly affected the morphology of the CoRu alloy nanowires, which became continuous with smooth lateral surfaces. The increasing magnetic field caused a rise of nanowire lengths and Co concentration in NWs. X-ray diffraction studies showed a hexagonal structure of nanowires. It was found that cobalt ruthenium alloy nanowires exhibit magnetic anisotropy with easy axis in a direction parallel to the wire axis. The changes in the microstructure led to an increase of anisotropy energy and drop of the coercivity.



中文翻译:

均匀的外部磁场对CoRu纳米线阵列的形貌和磁性的影响

通过将直流电沉积到六边形有序的氧化铝孔中,制作了CoRu纳米线阵列(NWs)。在沉积过程中施加平行于膜平面的均匀磁场,以控制金属丝的生长。最大磁场(0.6 T)极大地影响了CoRu合金纳米线的形貌,该形貌连续且表面光滑。不断增加的磁场导致纳米线中纳米线长度和Co浓度的增加。X射线衍射研究表明纳米线为六边形结构。发现钴钌合金纳米线在平行于线轴的方向上显示具有易轴的磁各向异性。微观结构的变化导致各向异性能的增加和矫顽力的下降。

更新日期:2020-09-20
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