报告题目：Optical Spectroscopy of Single Quantum Materials with Defined Atomic Structure

报 告 人：刘开辉，北京大学物理学院

报告时间：2014年12月30日9：30-11:00

报告地点：清华-富士康纳米科技研究中心406会议室

报告摘要：When the characteristic length of a material shrink to 1 nm scale, many distinct physical phenomena, such as quantum confinement, enhanced many-body interactions and strong van der Waals inter-material couplings, will appear. To investigate these fascinating low-dimensional physics, we need a tool to quantitatively link the atomic structures to the physical properties of these very small “quantum materials”. In this talk, I will introduce our recently developed in-situ TEM + high-sensitive ultrafast nanooptics technique, which combines capability of structural characterization in TEM and property characterization in nanooptics on the same individual quantum materials. Several examples of using this technique to study the 1D physics in carbon nanotube system will be demonstrated.