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Features measurements of parameters weakly scattering nanoobjects

机译:特点参数测量弱散射纳米喷射物

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Recently, research has been developing on nanoscale objects (a group of atoms) for which the concept of dielectric constant has a conventional meaning and therefore requires refinement and even analysis. In this paper we analyze the change in the intensity of Raman scattering of nanoobjects placed on a flat substrate. Some variants were shown for which the scattering can vary by more than an order of magnitude. In particular, on an ideal metal substrate, the region of antinode of a standing light wave upon reflection does not extend to the near-surface layer in which the nanoobject is located. And for this reason the Raman scattering decreases by more than an order of magnitude. Conditions are shown under which a decrease in Raman scattering from nanoobjects can be compensated and even increased.
机译:最近,研究已经在纳米级物体(一组原子)上开发了介电常数的概念具有常规含义,因此需要改进甚至分析。在本文中,我们分析了纳米喷射物的拉曼散射强度的变化,该纳米落穴散射在扁平基板上。示出了一些变体,其中散射可以在多个数量级上变化。特别地,在理想的金属基板上,反射时驻留光波的抗灰度区域的区域不会延伸到纳米喷射所在的近表面层。因此,拉曼散射减少了多个数量级。显示条件的情况下,可以补偿从纳米孔散射的拉曼散射的减少,甚至增加。

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