A method for producing quasi-regular ensembles of Co nanocylinders with controllable height in anodic alumina pores on the surface of GaAs structures is improved. Alumina pores are filled by galvanic deposition of cobalt from CoCl2 solution, which ensures uniform growth of Co in pores. It is established that, even at a small ratio of length of Co nanocylinders to their diameter l/d ≈ 2, the preferred direction of magnetic anisotropy coincides with the axis of nanocylinders. © 2013 Pleiades Publishing, Ltd.
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