One-dimensional (1D) nickel iron oxide nanostructures were grown in zeolite-4A, Na₁₂ [Al₁₂Si₁₂O₄₈] by a chemical precipitation method from aqueous solutions. Aqueous solutions of nickel sulphate and iron chloride in appropriate volumetric amounts, were used as the starting materials in the synthesis of NiFe₂O₄ nanostructures. Precipitation of the desired 1D nanostructures in zeolite-4A,were then achieved by the technique of acid-base titration. Crystal chemical aspects of the resulting nanostructure were studied by Rietveld analysis, as a function of the amounts of Ni present in the crystal structures and the heating temperature (1350 to 1400°C). Qualitative chemical analysis of the samples was performed by EDXS. The microstructure and morphology of the 1D nanostructure composite were characterized by XRD and TEM. All these results indicate that the 1D-NiFe₂O₄-nanostructures were synthesized in Zeolite-4A, Na₁₂ [Al₁₂Si₁₂O₄₈]. The final NiFe₂O₄ nanoparticles exhibit special magnetic properties with a remnant magnetization of 6.3 emu/g, coercivity of 66 Oe and saturation magnetization of 38.8 emu/g. properties with a remnant magnetization of 6.3 emu/g, coercivity of 66 Oe and saturation magnetization of 38.8 emu/g.

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