Abstract
Flower-like Ni particles about 1 μm in diameter have been synthesized by means of a mild chemical solution method with a soft template of hexadecyltrimethy-lammonium bromide (CTAB). Analysis of the structures by scanning electron microscopy (SHM) and high-resolution transmission electron microscopy (HRTEM) reveal that they are composed of particles with an average diameter of 250 nm. The particles are composed of grains 20-30 nm in size. Based on a series of experiments, the growing process of the flower-like structure is described briefly. The coercivity of the as-grown product at 300 K is about 90 Oe. It is small in comparison with that of the reported flower-like microstructure composed of nickel nanotips, ~232 Oe. This is attributed to its shape anisotropy and polycrystalline structure.
| Original language | English |
|---|---|
| Pages (from-to) | 1109-1112 |
| Number of pages | 4 |
| Journal | Physica Status Solidi (A) Applications and Materials Science |
| Volume | 205 |
| Issue number | 5 |
| DOIs | |
| State | Published - May 2008 |
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