Research Article

Preparation of hcp and fcc Ni and Ni/NiO Nanoparticles Using a Citric Acid Assisted Pechini-Type Method

Table 1

Particle size, phase percentage, saturation magnetization, and coercivity of the samples obtained at 400°C for 15 min, 1 h, and 2 h.

TimeParticle size (nm)Phase percentage (%)Ms (emu/g)Hc (Oe)
hcp Nifcc Nifcc NiOhcp Nifcc Nifcc NiO

15 min17.09.865.4734.532.886
1 h22.030.053.5343.463.013.960
2 h30.218.448.7451.265.2150