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SrDyxFe12−xO19 (x ≤ 0.08) nanofibers have been synthesized by the electrospinning method followed by calcinations process. The partial substitution of rare earth ions Dy3+ (10.5 μB of magnetic moments) mainly occupying 12k sublattice sites in the SrFe12O19 crystal structure is investigated and discussed in this work. An enhanced coercivity of 7155 Oe...