Fig. 4From: The Enhanced Catalytic Activities of Asymmetric Au-Ni Nanoparticle Decorated Halloysite-Based Nanocomposite for the Degradation of Organic DyesThe magnetic hysteresis loops of HNTs@Fe3O4, HNTs@Fe3O4@Au, and HNTs@Fe3O4@Au-Ni nanocompositesBack to article page