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Influence of SOP modes on Raman spectra of ZnO(Fe) nanoparticles

机译:SOP模式对ZnO(Fe)纳米粒子拉曼光谱的影响

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摘要

Nanocrystaline samples of ZnO(Fe) were synthesized by traditional wet chemical method followed by calcinations. Samples were characterized by X-ray diffraction to determine composition of the samples (ZnO, ZnFe_2O_4 and Fe_2O_3) and the mean crystalline size (from 8 to 51 nm). In this paper we report the experimental spectra of Raman scattering (from 200 to 1600 cm~(-1)) with surface optical phonons (SOP) in range of 500-550 cm~(-1). The phonon of registered phase's exhibit effects connected to phase concentration, while the SOP phonon mode exhibit significant confinement effect.
机译:ZnO(Fe)的纳米晶样品是通过传统的湿化学方法随后煅烧合成的。通过X射线衍射对样品进行表征,以确定样品的成分(ZnO,ZnFe_2O_4和Fe_2O_3)和平均晶体尺寸(8至51 nm)。本文报道了表面光子在500-550 cm〜(-1)范围内的拉曼散射(从200到1600 cm〜(-1))的实验光谱。配准相的声子表现出与相浓度有关的效应,而SOP声子模式表现出明显的约束效应。

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