超高时空和能量分辨光电子成像研究进展  

Ultrafast photoelectron imaging with high spatiotemporal and energy resolution

作　　者：秦楡禄 王睿 刘运全 QIN YuLu;WANG Rui;LIU YunQuan(State Key Laboratory for Mesoscopic Physics,Collaborative Innovation Center of Quantum Matter,Frontiers Science Center for Nano-Optoelectronics,Beijing 100871,China;Yangtze Delta Institute of Optoelectronics,Peking University,Nantong 226010,China;Collaborative Innovation Center of Extreme Optics,Shanxi University,Taiyuan 030006,China)

机构地区：[1]纳米光电子前沿科学中心,量子物质协同创新中心,介观物理国家重点实验室,北京100871 [2]北京大学长三角光电研究院,南通226010 [3]山西大学极端光学协同创新中心,太原030006

出　　处：《中国科学：物理学、力学、天文学》2023年第10期17-28,共12页Scientia Sinica Physica,Mechanica & Astronomica

基　　金：国家重点基础研究发展计划(编号:2022YFA1604301);国家自然科学基金(编号:92050201,92250306,12204018)资助项目。

摘　　要：测量并操控新材料和新器件中极端时空小尺度电子的超快动力学过程,是后摩尔时代柔性半导体和微纳超快响应器件研发的核心.时空和能量分辨的光发射电子显微技术将光学的泵浦-探测方案与电子显微成像技术巧妙结合,兼具飞秒-纳米极端时空和高能量分辨本领,已经成为探索纳米光子学和低维半导体器件等领域超快光物理过程的普适显微手段,推动了等离激元学、半导体材料科学及其相关交叉学科在基础和应用研究领域的革命性发展.本篇综述将重点介绍超快光电子成像技术在等离激元功能器件、高阶等离激元涡旋场、等离激元斯格明子和低维半导体材料方面的应用.最后,我们将展望超快光电子成像技术在未来基础研究和应用研究中的新机遇.The foundation of the development of flexible semiconductor and micro-nano ultrafast response devices in the post-Moore era is to measure and manipulate ultrafast optical physical processes in new materials and devices with extreme spatiotemporal small-scale.The spatiotemporal-and energy-resolved photoemission electron microscopy(PEEM)combines the pump-probe optical scheme with the electron microscopic imaging technology and possesses femtosecondnanometer time-space resolution.It has evolved into an excellent ultrafast microscopy technique for investigating nanophotonics and low-dimensional device physics,leading to the revolutionary development of plasmonics,semiconductor science and related cross-disciplinary studies.In this review,we have summarized the application of PEEM in micro-nano plasmonic function devices,high-order plasmonic vortex fields,plasmonic skyrmion,and lowdimensional semiconductors.Finally,we discussed the future opportunities of PEEM.

关 键 词：时空-能量分辨光发射电子显微镜 等离激元功能器件 高阶等离激元涡旋 等离激元斯格明子 低维半 导体材料 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] TN20[自动化与计算机技术—计算机科学与技术]