硼硅酸盐玻璃中CdS1-xSex纳米粒子的声子束缚
Confined Acoustic Phonon in CdS1-xSex Nanoparticles in Borosilicate Glass
摘要：
我们计算低频拉曼散射的限制声学声子模式的CdS 1-xSex纳米颗粒嵌入硼硅酸盐玻璃。用三阶微扰理论计算了纳米颗粒中声学声子的拉曼散射。用形变势近似描述了电子-声子相互作用。拉曼布里渊电子密度和电子-声子相互作用随着纳米颗粒尺寸的减小而增大。一个很好的协议之间的计算和报告的低频拉曼光谱被发现。
英文摘要：
We calculate low-frequency Raman scattering from the confined acoustic phonon modes of CdS1-xSex nanoparticles embedded in borosilicate glass. The calculation of the Raman scattering by acoustic phonons in nanoparticles has been performed by using third-order perturbation theory. The deformation potential approximation is used to describe the electronphonon interaction. The Raman-Brillouin electronic density and the electron-phonon interaction are found to increases with decreasing size of nanoparticle. A good agreement between the calculated and reported low-frequency Raman spectra is found.
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