Abstract
Ag 2 S – CoS 2 hetero-nanostructures with well defined and sharp hetero-interface were synthesized with a simple one-pot colloidal chemical route. It is proposed that the Ag 2 S nanoparticles with superionic conductor properties play a catalyst role inducing the growth of CoS 2. The magnetic properties of the Ag 2 S – CoS 2 hetero-nanostructures were investigated, which gives a saturation magnetization of 8.3 emu/g at 1.8 K and transition temperature of 120 K. It is believed that the reported results would give some hints to the development of multifunction magnetic materials.
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