Title

Speaker

Prof. Yuanbo Zhang 

Department of Physics,

Fudan University　　　　　　　　　　  　　 

Time

3：00pm, June 16, 2015

Place

Room 9004, HFNL

Prof. Yuanbo Zhang received his BS from Peking University in 2000 and his PhD in Physics from Columbia University in 2006. He was a Miller Research Fellow at the University of California at Berkeley from September 2006 to June 2009, a postdoc research associate at IBM Almaden Research Center from March 2010 to September 2010, and a professor of Fudan University from 2011. His main research interests are: Electronic transport in low-dimensional systems; Scanning probe techniques and their application in studying low-dimensional nanostructures. Major honors include: Charles Townes Fellowship, Columbia University (2005); Miller Fellow, University of California, Berkeley (2006); IUPAP Young Scientist Prize, International Union of Pure and Applied Physics (2010); Qiu Shi Outstanding Young Scholar Award, Qiu Shi Foundation (2013); Nishina Asia Award, Nishina Memorial Foundation, Japan (2014).

Abstract

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.