Abstract
Abstract Nanowires of Ni1−xFex compounds were obtained by electrochemical deposition in pores of flexible polymer track membranes with pore diameters of 30 and 70 nm. The elemental composition and growth conditions, allowing to control the length and aspect ratio of the nanowire, were established. Magnetic and Mossbauer spectroscopy measurements show that the nanowires have pronounced ferromagnetic properties, and the magnetic moments of Ni-Fe nanoparticles are oriented mainly along the wire axis. In particular, the nanowires with a length of about 10 μm and a diameter of 30 nm consist of magnetic domains about 20 nm in size with magnetic moments oriented predominantly along the axis of the nanowire. Such materials can be considered as quasi-one-dimensional nanostructured ferromagnetic systems. A new theoretical model was used to describe the magnetic properties and calculate the basic physical parameters of nanowires.
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