报告摘要： 原位电子显微术通过对电镜中的样品施加外场刺激使得样品结构或形貌发生变化，同时利用透射电镜来研究样品变化的机制。这一技术的发展使得对静态物质的电镜研究发展到了对物质动态....

Abstract： 　　Human cardiovascular and brain activities produce extremely weak pulsed magnetic field strengths at sub-nanoTesla (nT) levels which travel via various nervous syste...

报告摘要： Pt-Ni二元合金纳米颗粒可控制备及生长机理是获得与晶面取向相关的物理与化学性能的基础科学问题。原位液池透射电镜技术是研究纳米颗粒生长机理的先进技术。本报告介绍了采用原位液...

Abstract： When atomically thin two-dimensional materials are layered, they often form incommensurate noncrystalline structures that exhibit long-period moire patterns when exami...

Biosketch： 　　Professor Qian Niu obtained a B.S. from Peking University in 1981. He went to the University of Washington for graduate studies, and received his Ph.D. in physics....

Abstract： Spin is the fundamental electronic quantum degrees of freedom in solid state materials. In superconductors, Cooper pairs, as composed of two spin-1/2 particles, can ha...

报告摘要： 晶体管是现代历史中最重要的发明之一，是所有现代电器的关键主动元件。它的出现引发了现代社会的信息技术革命，对全球经济发展和人类进步产生了不可估量的影响。对于场效应晶体管....

Abstract： Low power is desirable for battery-powered electronics, such as mobile phone and internet of things (IOTs) devices etc. Spintronics is considered as an emerging techno...

Abstract： The maximum solar-to-electric power conversion efficiency of a conventional solar cell is determined by the Shockley-Queisser limit of ~33% [1]. In this lecture, I wil...

Abstract： The ability to directly probe ultrafast phenomena on the nanoscale is essential to our understanding of excitation dynamics on surfaces and in nanomaterials. Recently,...

Abstract： The feverish research activity on lead halide perovskites has been fueled by their exceptional optoelectronic properties, e.g., in solar cells and light-emitting devic...

报告摘要： 随着同步辐射光源和自由电子激光的发展，x射线量子光学得到越来越多的关注，报告里提出了一种储存x射线脉冲的方法，这为以后的量子通信和量子计算提供了一种新的选择。 Reference...

报告摘要： 拓扑绝缘体和拓扑半金属是近年来凝聚态物理领域的研究热点。单层ZrTe5被理论预言为二维拓扑绝缘体，而体材料ZrTe5的拓扑性质很难确定。在实验上一直对ZrTe5的拓扑性质存在争议，包括...

报告摘要： 电子在磁场中由于受到洛仑兹力而产生霍尔效应，然而声子作为电中性的准粒子却不能与磁场相互作用，所以在2005年当声子霍尔效应在顺磁材料中被实验发现时，人们很惊讶，其后续的理....

Abstract： “What is the value of scientific research? Everybody knows that in our days more than ever before a man or a woman who wishes to make a genuine contribution to t...

报告摘要： Electronic transport of charge and spin can be controlled by external electric and magnetic fields. One of the most remarkable transport phenomena at mesoscale and nan...