Vice Director of Tribology Research Institute
Office: Room 406, Tribology Research Institute Building, Jiuli Campus
PhD, Southwest Jiaotong University, Mechanical design and theory (2012)
M.A., Southwest Jiaotong University, Materials Science (2008)
Associate Professor, School of mechanical engineering, Southwest Jiaotong University, China (2016-present)
Lecturer, School of mechanical engineering, Southwest Jiaotong University, China (2012-2016)
Research Fellow / Visiting scholar, Department of Electronic and Electrical Engineering, University College London (UCL), UK (2015-2016)
SPM-based nanofabrication; Nanomanipulation; Nanotribology
Principal Publications of the Last Five Years
X. Liu, B. Yu?, Y. Zou, C. Zhou, X. Li, J. Wu, H. Liu, L. Chen, L. Qian. Revealing silicon crystal defects by conductive atomic force microscope. Appl. Phys. Lett. 113: 101601 (2018)
L. Wu, P. Zhang, C. Feng, J. Gao, B. Yu*, L. Qian. Scanning probe-based nanolithography: nondestructive structures fabricated on silicon surface via distinctive anisotropic etching in HF/HNO3 mixtures. Journal of Materials Science 56, 3887–3899 (2021)
L. Wu, P. Chen, L. Deng, P. Zhang, B. Yu*, L. Qian. Effects of crystal planes on topography evolution of silicon surface during nanoscratch-induced selective etching. Materials Science in Semiconductor Processing 124: 105606 (2021)
L. Wu, B. Yu*, P. Zhang, C. Feng, P. Chen, L. Deng, J. Gao, S. Chen, S. Jiang, L. Qian. Rapid identification of ultrathin amorphous damage on monocrystalline silicon surface. Physical Chemistry Chemical Physics 22: 12987-12995 (2020)
C. Jin, B. Yu?, X. Liu, C. Xiao, H. Wang, S. Jiang, J. Wu, H. Liu, L. Qian. Site-controlled fabrication of silicon nanotips by indentation-induced selective etching. Applied Surface Science 425: 227-232 (2017)
J. Gao, P. Chen, L. Wu, B. Yu*, L. Qian*. A Review on Fabrication of Blazed Gratings. J. Phys. D: Appl. Phys. 54 (2021) 313001
Selected Awards and Honors
Excellent Thesis Award / Best Report Award of international / domestic academic conferences for 6 times from 2009 to 2018
“Si Shi Yang Hua” Medal - the Highest Student Award of Southwest Jiaotong University in 2011
Senior member, Sichuan Science Youth Federation (2013–)
Large-area and high-precision mechanical engraving technology
Advanced wet etching
Surface enhanced Raman scattering (SERS) substrate
Micro/nano optical devices
MEMS tests (electrical and mechanical properties)
Study on the mechanism of friction-induced nanofabrication for high-precision and low-damage blazed gratings. National Natural Science Foundation of China (NSFC). Project director.
Principle and applications of nanofabrication based on friction-induced selective etching. Science and Technology Department of Sichuan Province. Project director.
Mechanism, method and equipment of high-frequency error control in optical complex surface. NSFC. Project participation.
Dr. Yu is a member of ultra-precision surface manufacturing group, and leads the research on “Sharp” manufacturing.
Primary Teaching areas
Micro/nano Manufacturing Technology
Frontier on Micro/nano Manufacturing (For undergraduate program)
Nanotribology and Biotribology (For postgraduate and doctoral programs)
I am available for the supervision of doctoral and master students. Over the past 5 years, I have supervised over 15 graduate students and 6 doctor candidates, of which 12 graduated and got MS degree.