Past Events

Abstract

When different materials are interfaced/coupled with each other, the resulted hybrid systems often manifest fascinating physical properties that do not exist in nature. Among the many artificial hybrids (sometimes addressed as meta-materials or hetero-structures), nano-hybrid made with low-dimensional materials and other functional materials is attracting tremendous attentions in recent years.
In this talk, we will first go through our previous works on quantum properties of the 2D materials/h-Boron-Nitride nano-hybrid systems.[1-3] Our recent studies on the electro-static gate tuning of ferromagnetic bipolar semiconductor in the 2D limit will also be discussed.[4] At last, we will briefly introduce our most recent results on the low-symmetry nanodevice and their exotic physical properties.[5] We expect that artificial nano-hybrids and their quantum properties can be expanded into many research areas that are important for both fundamental studies and future applications.
[1] Z. Han, et al., Nature Physics, 10, 380 (2014).
[2] S. Chen, Z. Han (equal contributor), et al., Science, 353, 1522 (2016).
[3] X. X. Li, …, Z. Han*, et al., Nature Communications, 8, 970 (2017).
[4] Z. Wang, …, Z. Han*, et al., Nature Nanotechnology, 13, 554 (2018).
[5] H. Wang, …, Z. Han*, et al., Submitted, (2019).

Biography

Zheng Vitto Han is a research professor at the Institute of Metal Research, CAS. Dr Han got his PhD at the Néel Institute in 2013 and did a post-Doc in Columbia University before he returned back to mainland China recruited by the Thousand-Talents program in 2015. He has been utilizing nano-Fabrication together with artificial staking methods to study the interfacial coupling of low-dimensional materials such as graphene and superconducting nano-dot arrays, MoS2, and hexagonal boron nitrides (h-BN), etc. He has revealed a series of exotic physical properties of such systems, including the first demonstration of gate tunability of a bipolar intrinsic magnetic van der Waals semiconductor. The related works are published in Sicence, Nature Physics, Nature Nanotechnology and other journals.

Anyone interested is welcome to attend.