讲座题目:电镜技术的发展现状
主讲人:密歇根大学(University of Michigan)孙凯(Kai Sun)
职称/职务:Associate Research Scientist/博导
地点:开元校区工科1号楼5059
时间:2017年12月6日09:00-10:00
主办单位:科技处、摩擦学与材料防护教育部工程研究中心、材料科学与工程学院
主讲人简介:
孙凯Kai Sun,1969年生,博士,密歇根大学副研究科学家/博导,1994-1998年在中科院北京电子显微镜实验室做助理研究员,1998-2000年在斯德哥尔摩大学(Stockholm University)做Postdoctoral Research Associate,2000-2002年在伊利诺大学芝加哥分校(University of Illinois at Chicago)做Postdoctoral Research Associate,2002-2003年在密歇根大学(University of Michigan)做Research Fellow,2003年至现在,在密歇根大学(University of Michigan)做Associate Research Scientist。学术方向与成就:(1)用先进的电子显微技术表征几乎所有类型材料的显微组织;(2)材料改性:研究几种不同材料在强电子(离子)束照射下的显微组织演变;(3)材料合成: a)在GaAs中合成了第一个Ga-Mn准晶体; b)合成了第一个样板Ge-B-O多微孔材料。发表SCI论文185篇,会议论文37篇。2014-2015年度Kenneth M. Reese杰出研究科学家奖的获得者。
讲座内容提要:
Transmission electron microscope (TEM) has long been the standard for materials scientists to obtain structural information of different materials. During the past decade, great developments have been achieved in TEM. A modern TEM has now reached a level that can be used for performing sub-Angstrom spatial resolution imaging, atomic scale chemical imaging, ultrahigh energy resolution electron energy loss spectroscopy and ultrahigh temporal resolution imaging, diffraction and spectroscopy. In addition, environmental TEM (ETEM) that is a TEM performed in a gaseous, liquid or cryogenics conditions has been a main stream. This talk will try to cover those amazing achievements in TEM.
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