Citation: XU Wei-Xing. Rayleigh and Hyper-Rayleigh Scatterings from the Nanometer SnO2 Particle in Solution[J]. Acta Physico-Chimica Sinica, ;2007, 23(02): 242-246. doi: 10.1016/S1872-1508(07)60019-9
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Rayleigh and Hyper-Rayleigh scatterings(HRS) from the nano-particle SnO2 were measured. It is found that as the concentration of the colloidal SnO2 or radiation power increases, the first- and second-order polarizabilities decrease. The radiation power dependencies of the first- and second-order polarizabilities show two domains: in high radiation power domain, the first- and second-order polarizabilities are approximately constant, in low radiation power domain, the first- and second-order polarizabilities increase sharply and become sensitive to the radiation power. The behavior of the concentration dependencies of the first- and second-order polarizabilities of colloidal SnO2 particles is similar to that of the radiation power dependence. A detailed mechanism explaining these phenomena has been discussed.
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Keywords:
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Hyper-Rayleigh
, - Nanoparticle,
- SnO2
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