Retraction notice to ‘Magnetic, dielectric and structural properties of spinel ferrites synthesized by sol-gel method’(Journal of Materials Research and Technology, (2021), 11, C, (158-169), (S2238785420321402), 10.1016/j.jmrt.2020.12.064)

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/policies/article-withdrawal). <This article has been retracted at the request of the Editor-in-Chief. Post-publication, the editor discovered suspicious changes in authorship between the original submission and the revised version of this paper. In summary, the paper was submitted by four authors with Tahir Farid as the original First Author. During revision two authors were removed. The authors Abdul Hakeem (New First Author), Ghulam Muhammad, M H Alhossainy, Abdul Rauf Khan, Irshad ali, T. Ghrib, Syeda Rabia Ejaz and Rabia Yasmin Khosa were all added to the revised paper without explanation and without the exceptional approval by the journal editor, which is contrary to the journal policy on changes to authorship. The editor reached out to the authors for an explanation, but they failed to provide a satisfactory explanation to these changes.