Dr. Ji Feng
冯济 博士

Associate Professor

 

Contact Information

Office:Physics Building W574, 物理楼西574

Tel:86-10-62754234

Email:jfeng11@pku.edu.cn

Personal Homepage:http://www.phy.pku.edu.cn/~jfeng/

 

Education

Ph.D.

2003-2007

Chemistry

Cornell University

M.S.

2000-2003

Chemical Engineering

National University of Singapore

B.S.

1996-2000

Chemical Engineering

National University of Singapore

 

Professional Appointments

2014-

Tenured Associate Professor

ICQM, School of Physics, Peking University

2011-2014

Tenure-track Associate Professor

ICQM, School of Physics, Peking University

2009-2011

Postdoctoral Fellow

Department of Materials Science, University of Pennsylvania

2007-2009

Postdoctoral Fellow

Department of Chemistry, Harvard University

 

Research Interests

Condensed matter physics; computational materials modeling

1. Density-functional theory and materials modeling

2. Berry phase of Bloch bands: topological states;valleytronics

3. Correlation effects: magnetic order; electron-phonon coupling; charge-density wave

4. Elastic strain: charge carrier dynamics; orbital effects; molecular dynamics

5. Materials of interest: chalcogenides; topological materials; graphene; complex oxides; multiferroics

 

Honors and Awards

2013

Excellent Young Scientist Grant, NSFC

2011

1000 Young Investigator Award, China

2007

Wentink Prize, Cornell University

2005

Wachter Prize, Cornell University

 

Selected Publications

1.      Kaige Hu, Fa Wang, & Ji Feng, “The magnetic structure of Na2IrO3: a LSDA+U+SOC study” Physical Review Letters (2015).

2.      Tianyi Cai, Xiao Li, Fa Wang, Sheng Ju, Ji Feng, & Chang-De Gong. “Single-spin Dirac Fermion and Chern insulator based on simple oxides”. Nano Letters (2015).

3.      Shaofeng Ge, Chaokai Li, Zhiming Zhang, Chenglong Zhang, Yudao Zhang, Jun Qiu, Qinsheng Wang, Junku Liu, Shuang Jia, Ji Feng, and Dong Sun, “Dynamical evolution of anisotropic response in black phosphorus under ultrafast photoexcitation”. Nano Letters 15, 4650 (2015).

4.      Jingshan Qi, Xiao Li, Qian Niu, & Ji Feng. “Giant and tunable valley degeneracy splitting in MoTe2”. Physical Review B (Rapid Comm.), 2015.

5.      Yuwen Hu, Feipeng Zheng, Ren Xiao, Ji Feng, & Yuan Li, “Charge­-density wave and phonon-­electron coupling in ZrTe3”. Physical Review B91, 144502 (2015).

6.      Hua Jiang,Haiwen Liu, Ji Feng, Qingfeng Sun & X.C. Xie, “Transport discovery of emerging robust helical surface states in Z2 = 0 systems”Physical Review Letters112, 176601 (2014).

7.       Xuewen Fu, Cong Su, Qiang Fu, Xinli Zhu, Rui Zhu, Chuanpu Liu, Jun Xu, Wanlin Guo, Ji Feng, Ju Li & Dapeng Yu,“Tailoring exciton dynamics by elastic strain-gradient in semiconductors”. Advanced Materials 26, 2572 (2014).

8.      Xiao Li, Ting Cao, Qian Niu, Junren Shi & Ji Feng, “Coupling the valley degree of freedom to antiferromagnetic order”Proceedings of the National Academy of Sciences 110, 3738 (2013).

9.      Ting Cao, Gang Wang, Wenpeng Han, Huiqi Ye, Chuanrui Zhu, Junren Shi, Qian Niu, Pingheng Tan, Enge Wang, Baoli Liu & Ji Feng, “Valley-selective circular dichroism in monolayer molybdenum disulphide”Nature Communications 3, 887 (2012).

HighlightNature Nanotechnology 'News and Views'.

10.    Ji Feng, Xiaofeng Qian, Cheng-Wei Huang & Ju Li, “Strain-engineered artificial atom as a broad-spectrum solar energy funnel”Nature Photonics 6, 866 (2012).

Highlight: 'Optical materials: Inspired by strain' (by Arend van der Zande and James Hone). News and Views of Nature Photonics 6, 804­806 (2012).

11.    Ji Feng, Liang Qi, Jian-Yu Huang, and Ju Li, “Geometric and electronic structure of graphene bilayer edges.” Physical Review B, 80, 165407 (2009).

12.    Ji Feng, Richard G Hennig, NW Ashcroft, and Roald Hoffmann, “Emergent reduction of electronic state dimensionality in dense ordered Li-Be alloys.” Nature451, 445 (2008).

Major media coverageNature editor's summaryNature interview with Roald and Neil; National Science Foundation's press releaseC&EN News.

13.    Wojciech Grochala, Roald Hoffmann, Ji Feng, and Neil W Ashcroft, “The chemical imagination at work in very tight places.” Angewandte Chemie International Edition46, 3620 (2007).

14.    Ji Feng, Neil W. Ashcroft, Roald Hoffmann. 'Theoretical indications of singular structural and electronic features of Laves-phase CaLi2 under pressure'Physical Review Letters 98, 247002 (2007).

15.    Ji Feng, Wojciech Grochala, Tomasz Jaroń, Roald Hoffmann, Aitor Bergara, and NW Ashcroft, “Structures and potential superconductivity in SiH4 at high pressure: En route to metallic hydrogen.” Physical Review Letters96, 017006 (2006). Nature Highlight.

 

Open Positions

I may accept one PhD student per year. Interested undergrads are also welcome to explore possibilities available in my group. For postdoctoral position, please contact me directly.

冯济
量子材料中心研究员,博士生导师

联系方式: 
电话:010-62754234邮箱: jfeng11{AT}pku.edu.cn
主页 Group website: http://www.phy.pku.edu.cn/~jfeng/
 
简历: 
博士:康奈尔大学(2007)
博士后:哈佛大学(2007-2009);宾夕法尼亚大学(2009-2011) 
研究员,博士生导师:北京大学(2011年至今);2011年入选中组部“青年千人计划”
 
研究领域
计算物理,计算材料,凝聚态理论。目前最感兴趣的方向:
- 低维材料的量子效应: 谷电子学;拓扑电子态;基本电子结构问题 
- 关联电子体系:电声耦合;磁序;电荷密度波
- 介观力学和应变材料的光电性能:应变工程 
- 超高压条件下的材料物理:极端高压下电子结构的基础问题 
 
学术活动、项目和服务
教学:固体理论--英语 
项目负责人: 国家自然科学基金委面上项目;教育部新教师基金;中组部“青年千人计划”项目; 科技部“973计划”项目(学术骨干)
学术服务: 中国物理学会凝聚态计算专业委员会学术秘书
 
学生培养
每年拟招收博士生1名。欢迎有兴趣参加科研的本科生加入。申请博士后请直接与我联系。
 
代表性论文

1.      Kaige Hu, Fa Wang, & Ji Feng, “The magnetic structure of Na2IrO3: a LSDA+U+SOC study” Physical Review Letters (2015).

2.      Tianyi Cai, Xiao Li, Fa Wang, Sheng Ju, Ji Feng, & Chang-De Gong. “Single-spin Dirac Fermion and Chern insulator based on simple oxides”. Nano Letters (2015).

3.      Shaofeng Ge, Chaokai Li, Zhiming Zhang, Chenglong Zhang, Yudao Zhang, Jun Qiu, Qinsheng Wang, Junku Liu, Shuang Jia, Ji Feng, and Dong Sun, “Dynamical evolution of anisotropic response in black phosphorus under ultrafast photoexcitation”. Nano Letters 15, 4650 (2015).

4.      Jingshan Qi, Xiao Li, Qian Niu, & Ji Feng. “Giant and tunable valley degeneracy splitting in MoTe2”. Physical Review B (Rapid Comm.), 2015.

5.      Yuwen Hu, Feipeng Zheng, Ren Xiao, Ji Feng, & Yuan Li, “Charge­-density wave and phonon-­electron coupling in ZrTe3”. Physical Review B91, 144502 (2015).

6.      Hua Jiang,Haiwen Liu, Ji Feng, Qingfeng Sun & X.C. Xie “Transport discovery of emerging robust helical surface states in Z2 = 0 systems”Physical Review Letters112, 176601 (2014).

7.       Xuewen Fu, Cong Su, Qiang Fu, Xinli Zhu, Rui Zhu, Chuanpu Liu, Jun Xu, Wanlin Guo, Ji Feng, Ju Li & Dapeng YuTailoring exciton dynamics by elastic strain-gradient in semiconductors”. Advanced Materials 26, 2572 (2014).

8.      Xiao Li, Ting Cao, Qian Niu, Junren Shi & Ji Feng “Coupling the valley degree of freedom to antiferromagnetic order”Proceedings of the National Academy of Sciences 110, 3738 (2013).

9.      Ting Cao, Gang Wang, Wenpeng Han, Huiqi Ye, Chuanrui Zhu, Junren Shi, Qian Niu, Pingheng Tan, Enge Wang, Baoli Liu & Ji Feng “Valley-selective circular dichroism in monolayer molybdenum disulphide”Nature Communications 3, 887 (2012).

HighlightNature Nanotechnology 'News and Views'.

10.    Ji Feng, Xiaofeng Qian, Cheng-Wei Huang & Ju Li “Strain-engineered artificial atom as a broad-spectrum solar energy funnel”Nature Photonics 6, 866 (2012).

Highlight: 'Optical materials: Inspired by strain' (by Arend van der Zande and James Hone). News and Views of Nature Photonics 6, 804­806 (2012).

11.    Ji Feng, Liang Qi, Jian-Yu Huang, and Ju Li, “Geometric and electronic structure of graphene bilayer edges.” Physical Review B80, 165407 (2009).

12.    Ji Feng, Richard G Hennig, NW Ashcroft, and Roald Hoffmann, “Emergent reduction of electronic state dimensionality in dense ordered Li-Be alloys.” Nature451, 445 (2008).

Major media coverageNature editor's summaryNature interview with Roald and Neil; National Science Foundation's press releaseC&EN News.

13.    Wojciech Grochala, Roald Hoffmann, Ji Feng, and Neil W Ashcroft, “The chemical imagination at work in very tight places.” Angewandte Chemie International Edition46, 3620 (2007).

14.    Ji Feng, Neil W. Ashcroft, Roald Hoffmann. 'Theoretical indications of singular structural and electronic features of Laves-phase CaLi2 under pressure'Physical Review Letters 98, 247002 (2007).

15.    Ji Feng, Wojciech Grochala, Tomasz Jaroń, Roald Hoffmann, Aitor Bergara, and NW Ashcroft, “Structures and potential superconductivity in SiH4 at high pressure: En route to metallic hydrogen.” Physical Review Letters96, 017006 (2006). Nature Highlight.