Synthesis, Characterization and Structural Properties of Ni0.9Bi0.1Fe1.9Co0.1O4 /Polypyrrole Nanocomposites . J.P.A.S [Internet]. 2026 May 27 [cited 2026 May 27];26(3). Available from: https://atbuscienceforum.com.ng/index.php/jpas/article/view/310