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莱斯特国际学院2017-2018学年秋季学期第4次导论课通知

2018年01月09日 08:53  点击:[]

专题:Superfluid Helium: a New Frontier in Nanoscience

授课时间:2018110日15:30-16:30(2学时)

授课地点:C07- 204

主讲人:Shengfu Yang (Department of Chemistry, University of Leicester)

听课班级:莱斯特国际学院学院2017级本科生,欢迎其他师生参加

【授课内容简介】

Helium droplets are clusters of helium whose size can vary over a huge range, spanning a few dozen to in excess of 1011 helium atoms. They possess some unique properties that are important for fabrication of nanomaterials, such as 1) a very low temperature (0.37 K), 2) superfluidity, 3) the ability to add materials sequentially, 4) the chemical inertness of helium.

Here we present the recent progress in the fabrication of novel nanoparticles and nanowires using superfluid helium droplets. A series of exploratory experiments will be reported, including the fabrication of single crystalline nanoparticles, core-shell nanoparticles and nanowires. A major breakthrough in nanomagnetics, namely, ferromagnetism in antiferromagnetic chromium, and ferromagnetic nanoparticles with the atomic magnetic moments, will also be highlighted.

【主讲人简介】

        Prof. Shengfu Yang obtained a BSc degree in Tsinghua University, a MSc degree in Dalian Institute of Chemical Physics and a PhD degree at University of Science and Technology of China. He has worked in several world-class laboratories in China (USTC), France (Université Joseph Fourier), United States (Massachusetts Institute of Technology) and Finland (University of Helsinki), where he led a number of research programmes and acquired a wide range of experience in physical chemistry. He joined the University of Leicester in 2003 and was awarded a prestigious EPSRC Advanced Research Fellowship in 2006, before being appointed to an associate professorship in 2011. At Leicester, his research focuses on superfluid helium droplets, covering both Physical Chemistry and NanoChemistry. He is currently an international leader in novel nanoscience based on superfluid helium.

 

 

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