摘要
在ＣｄＳｅ／ＺｎＴｅ超晶格中观察到了超晶格的微观界面模的基础上，本文主要研究了这种微观界面模的多声子散射，结果表明我们首次观察到了达４级的微观界面模的多声子喇曼散射，它具有不同于光学类体模多声子谱的光谱特征及共振行为，通过分析，我们认为这种不同正是微观界面模具有强烈的局域特性的反映．
Abstract The multiphonon Raman scattering of microscopic interface phonon mode in CdSe/ZnTe superlattice has been studied based on our previous observation of this interface phonon mode, and overtones of interface mode up to 4th order has been observed. The Raman spectra reveal a difference of the multiphonon spectra of interface mode from that of LO bulk-like phonon mode. According to a tentative discussion, we think this difference reflects the vibrational localization of the interface phonon mode.
基金
中国自然科学基金
