时间:本周五(9月18日)上午9点
地点:强磁场5楼报告厅
报告题目:Gate-controlled Two-dimensional materials
报告人:张远波(复旦大学)
报告摘要:
Two-dimensional (2D) atomic crystals, best exemplified by graphene, have emerged as a new class of material that may impact future science and technology. Our group at Fudan University has been actively exploring new 2D materials with peculiar electronic properties. In this talk I will discuss two 2D materials that we found particularly interesting – black phosphorus and 1T-TaS2. These two layered materials have vastly different properties. Black phosphorus is a 2D semiconductor, and its superior material quality has recently enabled us to observe the integer quantum Hall effect. 1T-TaS2, on the other hand, is a metal with a rich set of charge density wave phases. We explore their electronic properties while the doping and dimensionality of the 2D systems are modulated.
报告人简介:张远波教授于2006年获得纽约哥伦比亚大学物理系博士学位,之后获加州大学伯克利分校Miller Fellowship,从事博士后研究,2009年被聘为复旦大学特聘教授,从2011年至今,为复旦大学物理系教授、博士生导师,并入选“青年千人计划”,2013年获得“求是杰出青年学者奖”。
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