1. Experimental methods to reveal the spatially resolved electronic properties in functional materials
     Mainly based on the scanning probe microscopy (SPM), to utilize the relevant  modes and improve their capabilities in dissecting the distributional characters that closely related with the performance of photoelectric materials and device structures.
2. Micro-scale physics of optoelectronics in quantized system 
    By probing the electrons (holes) in individual confined structures, to study the quantized states they populate and the photon-electron interaction in low-dimensional systems.

1997-2000 doctoral degree in condensed mater physics, Dept. of Physics and National key Laboratory of Solid-State Microstructures, NanJing University,
1994-1997 master degree in nuclear physics, Dept. of Nuclear Physics, China Institute of Atomic Energy,
1990-1994 bachelor degree in physics, Dept. of Physics, NanJing University

2003~ : National Laboratory for Infrared Physics,Shanghai Institute of Technical Physics,Chinese Academy of Sciences
Started as a postdoctoral researcher,then as an associate professor from 2006 and a professor since 2012, Study the distributional character of electrical and optoelectronic properties of semiconductor material and devices with a multi-mode scanning probe microscopy (SPM), grow low-dimensional semiconductors with a molecular beam epitaxy (MBE).
2000~2002: Institute of Physics, Tsukuba University, Ibaraki, Japan
As a non-full time researcher, study the structural and electrical property of metal films prepared with atomic evaporation and sputtering cluster source.

1. Direct observation and manipulation of hot electrons at room temperature

          Hailu Wang, Fang Wang, Hui Xia，Peng Wang, Tianxin Li, Juzhu Li, Zhen Wang, Jiamin Sun, Peisong Wu, Jiafu Ye, Qiandong Zhuang, Zaixing Yang, Lan Fu, Weida Hu, Xiaoshuang Chen, Wei Lu

           National Science Review, 15 Dec. 2020， https://doi.org/10.1093/nsr/nwaa295

2. Mid-infrared polarization-controlled broadband achromatic metadevice

          Kai. Ou, F. Yu, G. Li, Wenjuan Wang, A. E. Miroshnichenko, Lujun Huang, Peng Wang, Tianxin Li, Zhifeng Li, Xiaoshuang Chen, Wei Lu

          Science Advances. 2020, 6, eabc0711

3. The temperature dependence of anomalous magnetoresistance and weak antilocalization in HgTe/CdTe (111) quantum wells

J. Zhang, S. X. Zhang, X. F. Qiu, Y. Wu, T. T. Kang, T. X. Li, and P. P. Chen

Journal of Applied Physics 127, 075108 (2020)

4. MBE Growth and Characterization of Strained HgTe (111) Films on CdTe/GaAs

Jian Zhang, Shengxi Zhang, Xiaofang Qiu, Yan Wu, Qiang Sun, Jin Zou, Tianxin Li, Pingping Chen

CHIN. PHYS. LETT. Vol. 37, No. 3 (2020) 038101

5. Sensing Infrared Photons at Room Temperature: From Bulk Materials to Atomic Layers

Peng Wang, Hui Xia, Qing Li, Fang Wang,* Lili Zhang, Tianxin Li,* Piotr Martyniuk, Antoni Rogalski, and Weida Hu*

Small 2019, vol.19, 1904396.

6. Single photon detection and circular polarized emission manipulated with individual quantum dot

Li Tian-Xin^*, Weng Qian-Chun, Lu Jian, Xia Hui, An Zheng-Hua,Chen Zhang-Hai, Chen Ping-Ping, Lu Wei

Acta Phys. Sin. 物理学报，邀请综述， 2018, Vol. 67, No. 22, 227301

7. High efficiency focusing vortex generation and detection with polarization-insensitive dielectric metasurfaces

Kai Ou, Guanhai Li, Tianxin Li, Hui Yang, Feilong Yu, Jin Chen, Zengyue Zhao,  Guangtao Cao

Nanoscale, 2018, Vol. 10, 19154-19161

8. Selected-Area Chemical Nanoengineering of Vanadium Dioxide Nanostructures Through Nonlithographic Direct Writing

Shuxia Wang, Wei Wei, Tiantian Huang, Tianning Zhang, Zhimin Chen, Liaoxin Sun, Hui Xia, Tianxin Li, Xin Chen, Xiaoshuang Chen, Wei Lu, Ning Dai

Adv. Mater. Interfaces 2018,Vol. 5, 1800974

9. Oriented Graphene Nano-ribbon Embedded in Hexagonal Boron Nitride Trenches

Lingxiu Chen，Li He，Hui Shan Wang，Shujie Tang，Chunxiao Cong，Hong Xie，Lei Li，Hui Xia，Tianxin Li，Tianru Wu1, Daoli Zhang, Lianwen Deng, Ting Yu, Xiaoming Xie & Mianheng Jiang

Nature Communications, 2017, 8:14703

10. Nanoscale imaging of the photoresponse in PN junctions of InGaAs infrared detector

Hui Xia, Tian-xin Li^*, Heng-Jing Tang, Liang Zhu, Xue Li, Hai-Mei Gong & Wei Lu^* 

Scientific Reports, 2016, 6, 21544.

11. Interlayer Transition and Infrared Photodetection in Atomically Thin Type-II MoTe2/MoS2 van der Waals Heterostructures

Kenan Zhang, Tianning Zhang, Guanghui Cheng, Tianxin Li, Shuxia Wang, Wei Wei, Xiao Hao Zhou, Weiwei Yu, Yan Sun, Peng Wang, Dong Zhang, Changgan Zeng, Xingjun Wang, Weida Hu, Hong Jin Fan, Guozhen Shen, Xin Chen, Xiangfeng Duan, Kai Chang, Ning Dai

ACS Nano. 2016 Mar 22;10(3):3852-8

12. Self-Induced Uniaxial Strain in MoS2 Monolayers with Local van der Waals-Stacked Interlayer Interactions

Kenan Zhang, Shuhong Hu, Yun Zhang, Tianning Zhang, Xiaohao Zhou, Yan Sun, Tian-Xin Li, Hong Jin Fan, Guozhen Shen, Xin Chen, and Ning Dai

ACS Nano. 2015 Mar 24;9(3):2704-10

13. Single InAs Nanowire Room-Temperature Near-Infrared Photodetectors

Jinshui Miao, Weida Hu, Nan Guo, Zhenyu Lu, Xuming Zou, Lei Liao, Suixing Shi, Pingping Chen, Zhiyong Fan, Johnny C. Ho, Tian-Xin Li, Xiao Shuang Chen, and Wei Lu

 ACS Nano 8, 3628, (2014)

14. Photocurrent spectrum study of a quantum dot single-photon detector based on resonant tunneling effect with near-infrared response

Weng Q. C., An Z. H., Xiong D. Y., Zhang B., Chen P. P., Li T. X., Zhu Z. Q., Lu W.

Appl. Phys.Lett. 105, 031114 ( 2014)

15. Impact of growth parameters on the morphology and microstructure of epitaxial GaAs nanowires grown by molecular beam epitaxy

Z.Y.Lu, P.P.Chen,Z.M.Liao,S.X.Shi,Y.Sun,T.X.Li,Y.H.Zhang, J.Zou, W.Lu

Journal of Alloys and Compounds, 580,82 (2013)

16. Precisely aligned graphene grown on hexagonal boron nitride by catalyst free chemical vapor deposition

Shujie Tang, Haomin Wang, Yu Zhang, Ang Li, Hong Xie, Xiaoyu Liu, Lianqing Liu, Tianxin Li, Fuqiang Huang, Xiaoming Xie & Mianheng Jiang

Scientific Reports 3, 2666 (2013)

17. Distinct Photocurrent Response of Individual GaAs Nanowires Induced by n-Type Doping

Hui Xia, Zhen-Yu Lu, Tian-Xin Li^*, Patrick Parkinson, Zhi-Ming Liao, Fu-Hao Liu, Wei Lu^* , Wei-Da Hu, Ping-Ping Chen, Hong-Yi Xu, Jin Zou and Chennupati Jagadish

ACS Nano, 6, 6005 (2012)

已指导学生

殷豪  博士研究生  080903-微电子学与固体电子学  

黄文超  硕士研究生  077303-微电子学与固体电子学  

夏辉  博士研究生  080903-微电子学与固体电子学  

张健  博士研究生  070205-凝聚态物理  

欧凯  博士研究生  080903-微电子学与固体电子学  

李玉莹  硕士研究生  070205-凝聚态物理  

现指导学生

刘伟伟  博士研究生  080903-微电子学与固体电子学  

辛蕊  硕士研究生  080903-微电子学与固体电子学