Abstract
The Tb–Dy–Fe–Co nanowires have been fabricated into anodic aluminum oxide (AAO) templates by direct-current (DC) electrodeposition. The results show that there are amorphous structures in the as-deposited Tb–Dy–Fe–Co nanowires. Due to the induced co-deposition of Fe–Co phase, the rare earth elements terbium and dysprosium can be deposited in AAO templates, and the stepped phase distribution can be observed in the annealed Tb–Dy–Fe–Co nanowires. It can be seen from the hysteresis loops that the coercivity of annealed nanowires is significantly improved, showing remarkable hard magnetic properties. When the concentration of Tb3+ is 0.04 mol/L and Dy3+ is 0.002 mol/L, the magnetic properties of the Tb–Dy–Fe–Co nanowires are improved significantly.
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