Abstract
Crystalline ZnSe nano-needles have been grown by pulsed laser deposition on Ni-coated substrates. In order to study the mechanism for the growth of ZnSe nano-needles, the experiment conditions including catalyst layer, substrate material, substrate temperature and deposition duration were changed respectively. The catalyst layer plays an important role in the growth of ZnSe nano-needles. The substrate material and substrate temperature also strongly affect the morphologies and structures of the as-grown ZnSe nano-crystals. On 300–400°C Ni-coated silicon (100) substrates, the crystalline ZnSe nano-needles can be grown densely with the middle diameters of about 20–80 nm, and the lengths of 100–400 nm. Two models for the growth of the ZnSe nano-needles and sphere-leading nano-wires under different substrate temperatures are proposed and verified experimentally.
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Lai, J.S., Chen, L., Fu, X.N. et al. Effects of the experimental conditions on the growth of crystalline ZnSe nano-needles by pulsed laser deposition. Appl. Phys. A 102, 477–483 (2011). https://doi.org/10.1007/s00339-010-5941-4
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DOI: https://doi.org/10.1007/s00339-010-5941-4