Lei Zhang is an associate professor and master’s supervisor at the College of Mechanical and Electrical Engineering, Central South University (CSU), China. He received his Bachelor of Science degree from Harbin Normal University (2010) and his Ph.D. in Science from Northeast Normal University (2015). He then worked as a postdoctoral researcher at the State Key Laboratory of Surface Physics, Institute of Physics, Chinese Academy of Sciences (2015–2018). Since 2018, he has been with CSU, first as a lecturer (2018–2020) and then as an associate professor (2020–present). His research focuses on micro/nano optoelectronic device fabrication and performance, including sensors, photodetectors, and memristors. He has published over 30 papers in renowned international journals such as ACS Applied Materials & Interfaces, Nanoscale, Applied Physics Letters, and IEEE Transactions on Electron Devices. He has also served as principal investigator for projects supported by the National Natural Science Foundation of China (NSFC) and the Natural Science Foundation of Hunan Province.