, and Ni nanoparticles reduced by NaBH_4 reducing agent appeared ferromagnetic properties (M_s=70.68 emu/g, M_r=28.02 emu/g, H_c= 1334 Oe).

• 发现两种还原剂得到产物的磁性有很大差别。 在0℃；W_0=41.；7；硼氢化钠为还原剂时得到镍粒子呈明显的铁磁性质；饱和磁化强度(Ms)为70