个人简介
1999年获得北京大学物理系学士学位,2004年获得中国科学院物理研究所博士学位。2005至2006年在美国哈佛大学物理系从事博士后研究。2006至2012年先后在美国田纳西大学物理系任研究助理教授及研究副教授。现为中国科学技术大学合肥微尺度物质科学国家实验室教授,博士生导师。
主要从事低维纳米结构和新型功能性材料的生长机理及其物理化学特性的理论研究。通过利用第一性原理计算电子结构计算、分子动力学模拟、蒙特卡罗模拟等多尺度模拟计算方法,从原子尺度上研究材料的结构稳定性和生长机理,以及如何通过控制材料生长的动力学过程获得具有某种特性的结构或材料,进而利用第一性原理电子结构计算研究材料的诸如电子输运、磁性、光学、电子结构的拓扑性、表面催化等物理化学性质,并力图从理论上设计具有实际应用价值的新型功能性材料或结构,重点主要集中在与清洁能源、自旋电子学及其它与未来微电子学相关的领域。
研究领域
01 表面物理/低维材料/纳米材料
02 能源材料/自旋电子学
03 理论计算模拟/第一性原理计算
近期论文
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1) Prediction of intrinsic two-dimensional ferroelectrics in In2Se3 and other III2-VI3 van der Waals materials - Nature Communications - - 2041-1723
2) Electrical tuning of valley magnetic moment through symmetry control in bilayer MoS2 - Nature Physics - 2013 - 9, 149
3) Tuning the electronic and chemical properties of monolayer MoS2 adsorbed on transition metal substrates - Nano Letters - 2013 - 13, 509
4) Suppression of Grain Boundaries in Graphene Growth on Superstructured Mn-Cu(111) Surface - Physical Review Letters - 2012 - 109, 265507
5) Tailoring magnetic doping in the topological insulator Bi2Se3. - Physical Review Letters - 2012 - 109, 266405
6) Interface engineering of quantum Hall effects in digital transition-metal oxide heterostructures - Nature Communications - 2011 - 2, 596
7) Topological insulators as substrates for enhanced CO oxidation catalysis by Au films - Physical Review Letters - 2011 - 107, 056804
8) Formation of graphene p-n supperlattices on Pb quantum wedged islands - ACS Nano - 2011 - 5, 3707
9) Terminating surface electromigration at the source - Physical Review Letters - 2011 - 106, 156404
10) Half-heusler compounds as a new class of three-dimensional topological insulators - Physical Review Letters - 2010 - 105, 096404
11) Contrasting behavior of carbon nucleation in the initial stages of graphene epitaxial growth on stepped metal surfaces - Physical Review Letters - 2010 - 104, 186101
12) Band gap narrowing of titanium oxide semiconductors by noncompensated anion-cation codoping for enhanced visible-light photoactivity. - Physical Review Letters - 2009 - 103, 226401
13) Electronic nature of step-edge barriers against adatom descent on transition-metal surfaces. - Physical Review Letters - 2008 - 101, 216101
14) Dopant-assisted concentration enhancement of substitutional Mn in Group-IV semiconductors - Physical Review Letters - 2008 - 100, 027205
15) The nature of contact between Pd leads and semiconducting carbon nanotubes - Nano Letters - 2006 - 6, 1415
16) Initial stages of Ti growth on diamond (100) surfaces: from single adatom diffusion to quantum wire formation - Physical Review Letters - 2005 - 94, 086101
17) Superconductivity modulated by quantum size effects - Science - 2004 - 306, 1915
18) Contrasting growth modes of Mn on Ge(100) and Ge(111) surfaces: subfactant action versus intermixing - Physical Review Letters - 2004 - 93, 126102
19) Adatom ascending at step edges and faceting on fcc metal (110) surfaces - Physical Review Letters - 2004 - 92, 106102
20) Nanocrystal formation and faceting instability in Al(110) homoepitaxy: true upward adatom diffusion at step edges and island corners - Physical Review Letters - 2003 - 91, 016102