Influence of Cr3+ substitution on the electrical and magnetic properties of Ni0.4Cu0.4Zn0.2Fe2O4 nanoparticles Ramkrishna H Kadam, Asif Karim, Ankush B Kadam, Anil S Gaikwad, Sagar E Shirsath*, 10.1186/2228-5326-2-28 XML Requires Subscription HTML Requires Subscription PDF views: 29 downloads: 113