学术动态
新加坡南洋理工大学刘政博士学术报告会
2017-12-25 10:49   审核人:

题目:Flatland: the landscape of 2D materials

报告人:刘政  博士(新加坡南洋理工大学)

主持人:魏秉庆 教授

时间:2017122616:00

地点:公字楼328会议室

Abstract:

The one-atom-think crystal like graphene have fantastic properties and attracted tremendous interests in these years, which open a window to the landscape of the two-dimensional (2D) materials. There are a large variety of 2D materials beyond graphene that are to be explored. Using chemical solid reaction and chemical vapour deposition, we have successfully synthesized a wide spectrum of 2D materials including both single crystal bulk and atomically thin films.

In this talk, I will briefly introduce development of 2D materials over the past ten years and our recent work in this area, including the advances in the synthesis of various 2D materials, engineering of 2D materials and fabrication of 2D alloy. I will also discuss the unique physical properties of such as 2D superconductivity (MoTe2 and NbSe2), 2D ferroelectricity (CuInP2S4), 2D ferromagnetism and 2D Wyle semi-metals. In the last, I
will introduce the potential applications of 2D materials for novel electronics, composite, energy and catalysis.

References:

  1. Jiadong Zhou, Junhao Lin, etc., Universal Synthesis of Atom-thin Metal Chalcogenide Libraries, Nature, 2017

  2. Chongyun Jiang, Fucai Liu, etc., Zeeman splitting via spin-valley-layer coupling in bilayer MoTe2, Nature Communications, 2017.

  3. Ilya Belopolski, Peng Yu, etc., Signatures of a time-reversal symmetric Weyl semimetal with only four Weyl points , Nature Communications, 2017.

  4. Hong Wang, Xiangwei Huang, etc., High-quality monolayer superconductor NbSe2 grown by chemical vapour deposition , Nature Communications, 2017.

  5. Dong Li, Mingyuan Chen, etc., Two-dimensional non-volatile programmablep–n junctions , Nature Nanotechnology, 2017

  6. Ilya Belopolski, etc. Discovery of a new type of topological Weyl fermion semimetal state in MoxW1-xTe2, Nature Communications, 2016

  7. Fucai Liu, etc. Room-temperature ferroelectricity in CuInP2S6 ultrathin flakes, Nature Communications, 7, 12357, 2016

  8. Jiadong Zhou, Fucai Liu, etc. Large-area and high-quality 2D transition metal telluride, Advanced Materials, 29, 1603471, 2017 (Front Cover)

  9. Xuewen Wang, Xuexia He, etc. Sub-atom Deformation Driven by Vertical Piezoelectricity from CdS Ultra-thin Films, Science Advances, 2, e1600209, 2016


Dr. Zheng Liu received his B.S. degrees (2005) at Nankai University (China), and completed his PhD at National Centre for Nanoscience and Technology (NCNST, China), working on the synthesis and energy harvest of carbon nanotubes. He then worked in Prof Pulickel M. Ajayan and Prof Jun Lou’s groups as a joint postdoc research fellow (2010~2012) and research scientist (2012~2013) at Rice University (USA).

He has published more than 140 peer-reviewed papers in top journals including 16 papers in Nature and science serial journals (Nature Materials, Nature Nanotechnology, Nature Communications and Science Advances); 22 in Nano Letters; 18 in Advanced Maters; 9 in ACS Nano, with total citations more than 12000 and h-index of 48. These works have also been reported by many renowned media such as Science daily, Phy.org, EEE spectrum, etc., and also highlighted by the top journals such as Nature Physics, Nature Nanotechnology, Chem Int Ed, etc. He was also a recipient of the World Technology Award in Energy category in 2012. This award has been presented as a way to honour those in doing “the innovative work of the greatest likely long-term significance.” He was awarded the prestigious Singapore NRF Fellowship. He was also the awardee of the elite Nanyang Assistant Professorship in 2013.

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