一、主要研究方向：
1.扫描探针显微系统的成像模拟和信号处理；
2.半导体光伏电池的建模和优化研究。
研究工具主要包括MATLAB和Python平台，对编程和物理基础有一定要求。
二、主要研究成果：
1. Jie Xu. "Separable Nonlinear Least Squares Search of Parameter Values in Photovoltaic Models", IEEE JOURNAL OF PHOTOVOLTAICS 12(1), 372 (2022).
2. Jie Xu, Deyuan Chen, Gang Bai, Wei Li. "A separable nonlinear least squares approachfor double-diode photovoltaic model parameterextraction", J. Renewable Sustainable Energy 13, 043503 (2021).
3. Jie Xu, Deyuan Chen. "Interpreting Kelvin probe force microscopy on semiconductors by Fourier analysis", J. Appl. Phys. 129, 034301 (2021).
4. Jie Xu, Gang Bai, Jinze Li, Wei Li. "Inhomogeneous probe surface induced effect in Kelvin probe force microscopy", J. Appl. Phys. 127, 184302 (2020).
5. Jie Xu, Jinze Li, Wei Li. " Calculating electrostatic interactions in atomic force microscopy with semiconductor samples", AIP Advances 9, 105308 (2019)
6. Jie Xu, Deyuan Chen,Wei Li, Jun Xu. "Surface potential extraction from electrostatic and Kelvin-probe force microscopy images", Journal of Applied Physics 123, 184301(2018). [Editor's Pick]
7. Jie Xu, Dongke Li, Deyuan Chen,Wei Li, Jun Xu. "Nanoscale Characterization of Active Doping Concentration in Boron-Doped Individual Si Nanocrystals", Physica Status Solidi (a) 215, 1800531(2018).[封面文章]
8. Jie Xu, Yang Ji, Peng Lu, Gang Bai, Qingying Ren, Jun Xu."Microscopic observation of lateral and vertical charge transportation in Si nanocrystals sandwiched by amorphous SiC layers", AIP Advances 8, 015224(2018).
9. Jie Xu, Yangqing Wu, Wei Li, Jun Xu. "Surface potential modeling and reconstruction in Kelvin probe force microscopy", Nanotechnology 28, 365705(2017).
