低维量子结构中的电声子光学调控

电子-声子耦合是材料研究的基础前沿，决定光电材料诸如载流子迁移，复合等重要性质。通过Raman散射和荧光光谱等手段研究电子-声子耦合作用，这为实现新兴热门材料的光学调控提供重要的指导价值。基于此，我们设计了相应的研究方案。利用中国科学院半导体所超晶格重点实验室现有的实验设备（Jobin-Yvon HR800共聚焦显微拉曼光谱仪、Montana低温恒温系统、HRevolution共焦显微拉曼光谱仪系统和Attocube低温磁场系统等）采集到有效的数据，主要记录了Mn掺杂ZnO纳米线中的多声子过程、金刚石中SiV色心声子辅助光致发光上转换、二维Ising反铁磁FePS3中磁-声子耦合的磁拉曼研究和WS2中激子和声子之间Fröhlich相互作用的实验观测数据。数据量预计10.8MB /22条。

Electron-phonon coupling represents a fundamental frontier in materials research, as it dictates critical properties of optoelectronic materials including carrier migration and recombination. Investigating electron-phonon coupling through techniques such as Raman scattering and fluorescence spectroscopy offers important guiding value for realizing optical modulation of emerging high-potential materials. Based on this premise, we developed the corresponding research scheme. We acquired valid experimental data using existing facilities at the State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, including the Jobin-Yvon HR800 confocal micro-Raman spectrometer, Montana cryogenic thermostat system, HRevolution confocal micro-Raman spectrometer system, and Attocube low-temperature magnetic field system. The dataset primarily documents experimental observations of: 1) multiphonon processes in Mn-doped ZnO nanowires; 2) phonon-assisted photoluminescence upconversion of SiV color centers in diamond; 3) magnetic Raman studies of magnetophonon coupling in two-dimensional Ising antiferromagnet FePS3; and 4) Fröhlich interactions between excitons and phonons in WS2. The total size of the dataset is estimated at 10.8 MB across 22 data entries.