Assistant Professor Department of Physics

Personal Profile

Research Interests

◆Electric and optical properties of carbon nanotubes

◆Spin current generation, transport and manipulation in non-magnetic semiconductors

◆Optical and electric properties of emerging semiconductors (Monolayer MoS2, WS2 etc.)

 

Educational Background

◆BS in Physics, Sep. 1999-Jul. 2003: Liaoning University and Peking University, China

◆MS in Physics, Sep. 2003-Jul. 2006: Peking University, China

◆PhD in Physics, Sep. 2006-Jul. 2010: The University of Hong Kong, Hong Kong, China

 

Professional Employment

◆Assistant Professor, Jan. 2012-Now: Southern University of Science and Technology, Department of Physics, Shenzhen, China

◆Postdoctoral Fellow, Jul. 2010-Aug. 2012: The University of Hong Kong, The Department of Physics, Hong Kong, China

 

Selected Publications

◆"Optical signature of symmetry variations and spin-valley coupling in atomically thintungsten dichalcogenides"

Hualing Zeng, Gui-Bin Liu, Junfeng Dai, Yajun Yan, Bairen Zhu, Ruicong He, LuXie, Shijie Xu, Xianhui Chen, Wang Yao, Xiaodong Cui; Nature Scientific Reports3, 1608. doi:10.1038/srep01608 (2013)

◆"Valleypolarization in MoS2 monolayers by optical pumping"

Hualing Zeng┼, Junfeng Dai┼, Wang Yao, Di Xiao, Xiaodong Cui; Nature Nanotechnology, 7, 490-493 (2012)

◆"Quadraticmagnetic field dependence of magneto-electric photocurrent"

Junfeng Dai, Hai-Zhou Lu, Shun-Qing Shen,Fu-Chun Zhang, and Xiaodong Cui; Phys. Rev. B 83,155307 (2011)

◆"Magneto-electricpho to current generated by direct inter-band transitions in InGaAs/InAlAs two-dimensional electron gas"

Junfeng Dai, Hai-Zhou Lu, C. L. Yang, Shun-Qing Shen, Fu-Chun Zhang, and Xiaodong Cui; Phys. Rev. Lett. 104, 246601 (2010)

◆"Determination of the Sign of g factors for Conduction Electrons Using Time resolved Kerr Rotation"

C. L. Yang, Junfeng Dai, W. K. Ge, Xiaodong Cui; Appl. Phys. Lett. 96, 152109 (2010)

◆"Measurements on quantum capacitance of individual single walled carbon nanotubes"

Junfeng Dai, Jun Li, Hualing Zeng, and Xiaodong Cui; Appl. Phys. Lett. 94, 093114 (2009)

◆"Light-Induced Incandescence of Single-Walled Carbon Nanotubes"

Hualing Zeng, Chunlei Yang, Junfeng Dai and Xiaodong Cui; J. Phys. Chem. C, 112 (11), 4172 -4175,2008.

 

Honors & Awards

◆Receipt of Oversea High-Caliber Personal Award, Shenzhen

 

Research Project

◆2012, Young Science Research Project Awarded by National Natural Science Foundation of China

Course Teaching

◆PH2206 Optics (3 credits)

◆PH3211 Laser Fundamentals (3 credits)

 

Other Info

Research fellow and postdoctoral positions are now open. Detail information can be found in the following link:

http://talent.sustc.edu.cn/cn/jobjf.aspx?batchID=635062341695264218

http://talent.sustc.edu.cn/cn/jobbs.aspx?batchID=635067346000866918

Anyone interested in the positions may contact me directly.

 

Contact

◆Email: dai.jf@sustc.edu.cn

◆Tel: +86-755-88018223

◆Add: Room 225, Faculty Research Building 2, Department of Physics, Southern University of Science and Technology, No. 1088 Xueyuan Road, Nanshan District, Shenzhen, China

Research

◆ The emerging optical and electric properties in transition metal dichalcogenide (WS2, WSe2) and their heterostructures

◆ The control of ferromagnetism in two-dimensition vdW crystals (CrI3, Fe3GeTe2)


Teaching

Low Temperature Physics

Physics Laboratory IV

Modern Optics


Publications Read More

[1] "Optical signature of symmetryvariations and spin-valley coupling in atomically thin tungstendichalcogenides" Hualing Zeng, Gui-Bin Liu, Junfeng Dai, Yajun Yan, Bairen Zhu, Ruicong He, Lu Xie, Shijie Xu, Xianhui Chen, Wang Yao, Xiaodong Cui; ScientificReports 3, 1608.doi:10.1038/srep01608 (2013)

[2] "Valleypolarization in MoS2 monolayers by optical pumping" Hualing Zeng┼, JunfengDai┼, Wang Yao, Di Xiao, Xiaodong Cui; Nature Nanotechnology, 7, 490-493 (2012)

[3] "Quadratic magnetic field dependence ofmagneto-electric photocurrent" Junfeng Dai, Hai-Zhou Lu, Shun-Qing Shen,Fu-Chun Zhang, and Xiaodong Cui; Phys. Rev. B 83, 155307 (2011)

[4] "Magneto-electric photocurrentgenerated by direct inter-band transitions in InGaAs/InAlAs two-dimensionalelectron gas" Junfeng Dai, Hai-Zhou Lu, C. L. Yang, Shun-Qing Shen,Fu-Chun Zhang, and Xiaodong Cui; Phys. Rev. Lett. 104, 246601 (2010)

[5] "Determination of the Sign of g factorsfor Conduction Electrons Using Timeresolved Kerr Rotation" C. L. Yang, JunfengDai, W. K. Ge, Xiaodong Cui; Appl. Phys. Lett. 96, 152109 (2010)

[6] "Measurements on quantum capacitance ofindividual single walled carbon nanotubes",Junfeng Dai, Jun Li, HualingZeng, and Xiaodong Cui; Appl. Phys. Lett. 94, 093114 (2009)

[7] "Light-Induced Incandescence ofSingle-Walled Carbon Nanotubes", Hualing Zeng, Chunlei Yang, Junfeng Dai andXiaodong Cui; J. Phys. Chem. C, 112 (11), 4172 -4175, 2008.

Lab members Read More

Join us

The Department of Physics at Southern University of Science and Technology has been established since 2011. The Department’s commitment is to develop  first-class education and top-notch research in physics. The Department of Physics has been granted authority to award bachelor's degree in Physics and Applied Physics. Moreover, the Department offers long-term joint Master and PhD programmes, in collaboration with other renowned universities, including Peking University, Harbin Institute of Technology, University of Hong Kong, Hong Kong University of Science and Technology, and National University of Singapore. In addition, the Department has established long-term joint post-doctoral workstations with Peking University, Fudan University, Wuhan University and other colleges and universities.

he Department has a current size of 37 academic staff, including 6 chair Professors, 6 Professors, 17 Associate Professors, and 8 Assistant Professors. There are 4 Academicians of the Chinese Academy of Sciences (including joint employment), 2 Distinguished Young Scholar, and 3 “Pengcheng” scholars. All members of our academic staff have study or work experience at top 100 universities in the world. The Department of Physics now offers 4 majors in condensed matter physics, computational physics, theoretical physics and optics, while setting up biological physics, astrophysics and particle physics. The staff members are engaged in frontier researches in the fields of quantum transport and regulation, surface physics, materials physics, computational physics, condensed matter theory, quantum information and quantum computing.

In recent years, our staff members have published many papers in high profile journals, gaining the Department international impact. Our research support totaled more than 220.26 million (CNY), including 49 projects from National Natural Science Foundation of China, 9 projects from Ministry of Science and Technology and Department of Education, 14 projects from Guangdong Natural Science Foundation, and 45 projects from Shenzhen City. Our academic staff have published up to 500 papers in recent years. The journals include "Physics Review Letters", "Nature Communications", "Journal of the American Chemical Society", "Advanced Energy / Functional Materials", "NPG Asia Materials", "Physical Review B" and other academic journals.  Southern University of Science and Technology, carrying historical responsibility of higher education reform in China, is rapidly developing towards the direction of international, high-level, research-oriented university. Keeping pace with the university, the Department of Physics has established a long-term development plan to forge ahead in their endeavor, to enhance its own overall strength both in hardware and software, and to strive to maintain the forward momentum into a world-class physics department at an early date. 

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Contact Us

Contact Address

Room 225, Research Building 2, No. 1088, Xueyuan Rd., Nanshan District, Shenzhen, Guangdong,China 518055

Office Phone

0755-88018223

Email

daijf@sustc.edu.cn

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