Novel magnetization and susceptibility originated in the nanomagnet of disordered nickelates Souvik Haldar, R. K. Saha and Ajay Kumar Ghosh Eur. Phys. J. Plus, 136 11 (2021) 1099 Published online: 01 November 2021 DOI: 10.1140/epjp/s13360-021-02045-z