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Preparation and characterization of highly ordered vanadium-iron cyanide molecular magnet nanowire arrays

机译：高阶钒铁氰化物分子磁体纳米线阵列的制备与表征

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Highly ordered vanadium-iron cyanide molecular magnet nanowire arrays have been prepared for the first time using an electrodepositing technology with two-step anodized anodic aluminium oxide films. Selectable diameters and lengths of the nanowires can be obtained by controlling the diameters of the nanopores in the anodic aluminium oxide films and the electrodepositing time, respectively. X-ray diffraction and transmission electron microscopy measurement results show that the vanadium-iron cyanide nanowires are straight, continuous, and highly crystalline with a face-centred cubic cubic structure of a = 10. 14 A. The x-ray photoelectron system, Mossbauer spectrum and infrared spectrum measurement results indicate that the oxidation state of the metal ions in the vanadium-iron nanowires can be expressed as V~(4+)-CN-Fe~(2+). The hysteresis loop of the vanadium-iron cyanide nanowires at 1.9 K indicates that there are magnetic exchange interactions between vanadium and iron ions in the nanowires.
机译：首次使用具有两步阳极氧化氧化铝膜的电沉积技术首次制备了高度有序的钒铁氰化物分子磁体纳米线阵列。可以分别通过控制阳极氧化铝膜中的纳米孔的直径和电沉积时间来获得纳米线的可选直径和长度。 X射线衍射和透射电子显微镜的测量结果表明，钒铁氰化物纳米线是直的，连续的且高度结晶，其面心立方结构为a =10。14A。X射线光电子系统Mossbauer光谱和红外光谱测量结果表明，钒铁纳米线中金属离子的氧化态可以表示为V〜（4 +）-CN-Fe〜（2+）。钒-氰化铁纳米线在1.9 K处的磁滞回线表明，纳米线中的钒和铁离子之间存在磁交换相互作用。

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