Abstract
Bi architecture Fe-based system shows the most extensive applications spawned from memory to optoelectronic device. With this line of understanding, we herein synthesized α-Fe2O3/NiBixFe2-xO4 (0 ≤ x ≤ 0.20) by sono-wave-driven wet chemical route. The grain size of the sample reduced with increasing Bi do** concentration even though the morphological features remain the same. The presence of α-Fe2O3 and NiFe2O4 phases in the XRD pattern confirms the formation of composite samples. Bi do** has a significant impact on controlling the phase fraction as well as magnetic properties of the nanocomposite. The nanocomposite with x = 0.20 showed a drastic reduction in saturation magnetization (more than 7 times) as compared to the un-doped sample. The alteration of coercivity and exchange bias in the nanocomposite with Bi do** is well correlated with the fraction of NiFe2O4 phase present in the corresponding sample. Moreover, Bi do** induces the deterioration in magnetic properties in the sample.
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The authors would like to acknowledge Dr. M. Gupta and Mr. L. Behera UGC-DAE CSR, Indore, for XRD measurement. Authors are also acknowledged to Prof. D. Samal for providing experimental facilities of SQUID for magnetic measurements.
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Jena, S., Mishra, D.K., Sarangi, S.N. et al. Magnetic Performance of Bi Architecture α-Fe2O3/NiFe2O4 Nanocomposite. J Supercond Nov Magn 35, 833–838 (2022). https://doi.org/10.1007/s10948-021-06115-2
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DOI: https://doi.org/10.1007/s10948-021-06115-2