Correlations between microstructural and magnetic properties of Gd3+-doped spinel ferrite nanoparticlesMritunjoy Prasad Ghosh, Suvendu Mandal and Samrat MukherjeeEur. Phys. J. Plus, 135 1 (2020) 41DOI: https://doi.org/10.1140/epjp/s13360-020-00112-5