Abstract
Highly ordered vanadium–iron cyanide molecular magnet nanowire arrays have beenprepared for the first time using an electrodepositing technology with two-step anodizedanodic aluminium oxide films. Selectable diameters and lengths of the nanowires can beobtained by controlling the diameters of the nanopores in the anodic aluminium oxide filmsand the electrodepositing time, respectively. X-ray diffraction and transmission electronmicroscopy measurement results show that the vanadium–iron cyanide nanowires arestraight, continuous, and highly crystalline with a face-centred cubic cubic structure ofa = 10.14 Å.The x-ray photoelectron system, Mössbauer spectrum and infrared spectrum measurement resultsindicate that the oxidation state of the metal ions in the vanadium–iron nanowires can be expressedas V4+–CN–Fe2+.The hysteresis loop of the vanadium–iron cyanide nanowires at 1.9 K indicates thatthere are magnetic exchange interactions between vanadium and iron ions in thenanowires.
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