12/2013-present: Professor, Tsinghua University, China.

3/2008-12/2013: Associate Professor, Tsinghua University, China.

5/2007-2/2007: Research Associate, University of Cambridge, U.K.

2/2003-5/2007: Postdoctoral Fellow, Lawrence Berkeley National Laboratory, U.S.A.

1. Development of electron microscopy methods: ptychography, atomic tomography, potential reconstruction.

2. Microstructure of materials: Surfaces, interfaces, dislocations, phase transitions, crystal structure.

3. Materials design and structure-property relationship: Rare earth permanent magnets, metallic structural materials, quantum materials, catalytic materials.

2015: Distinguished Young Scholars, The National Science Fund of China.

2002: Special Prize of President Scholarship, Chinese Academy of Sciences.

2002: K.H. Kuo Award of Outstanding Student, K.H. Kuo Education Fund.

1996: Outstanding Graduate, Zhejiang University.

1992: Outstanding Freshman, Zhejiang University.

l R. Yu, H.Z. Sha, J.Z. Cui, W.F. Yang, Introduction to electron ptychography for materials scientists, Microstructures, 4, 2024056 (2024).

l L.Z. Mao, J.Z. Cui, R. Yu, 3D reconstruction of a million atoms by multiple-section local-orbital tomography, Science Bulletin, 70, 64 (2025).

l H.Z. Sha, Y.X. Zhang, Y.P. Ma, W. Li, W.F. Yang, J.Z. Cui, Q. Li, H.B. Huang, R. Yu, Polar vortex hidden in twisted bilayers of paraelectric SrTiO₃, Nature Communications, 15, 10915 (2024).

l H.Z. Sha, J.Z. Cui, W.F. Yang, R. Yu, Information limit of 15 picometers achieved with bright-field ptychography, Physical Review B, 110, L060104 (2024).

l Z.W. Wu, Y.X. Zhang, W. Zhu, T.Q. Zhang, R. Yu, Grain boundary phases in (Ga, Cu)-doped Nd-Fe-B sintered magnet, Acta Materialia, 278, 120196 (2024).

l W.F. Yang, H.Z. Sha, J.Z. Cui, L.Z. Mao, R. Yu, Local-orbital ptychography for ultrahigh-resolution imaging, Nature Nanotechnology, 19, 612 (2024).

l J.B. Zhang et al., A correlated ferromagnetic polar metal by design, Nature Materials, 23, 912 (2024).

l Z.W. Wu, Y.J. Yu, T.Q. Zhang, R. Yu, Microstructure analysis of Ti-doped sintered Nd-Fe-B magnets, Acta Materialia, 265, 119511 (2024).

l J.Z. Cui, H.Z. Sha, W.F. Yang, R. Yu, Antiferromagnetic imaging via ptychographic phase retrieval, Science Bulletin, 69, 466 (2024).

l H.Z. Sha, J.Z. Cui, J.L. Li, Y.X. Zhang, W.F. Yang, Y.D. Li, R. Yu, Ptychographic measurements of varying size and shape along zeolite channels, Science Advances, 9, eadf1151 (2023).

l C. Liu, J.Z. Cui, Z.Y. Cheng, B.Z. Zhang, S.Y. Zhang, J. Ding, R. Yu, E. Ma, Direct observation of oxygen atoms taking tetrahedral interstitial sites in medium-entropy body-centered-cubic solutions, Advanced Materials, 2209941 (2023).

l H.Z. Sha, Y.P. Ma, G.P. Cao, J.Z. Cui, W.F. Yang, Q. Li, R. Yu, Sub-nanometer-scale mapping of crystal orientation and depth-dependent structure of dislocation cores in SrTiO₃, Nature Communications, 14, 162 (2023).

l Y.H. Liang et al., Field-free spin-orbit switching of perpendicular magnetization enabled by dislocation induced in-plane symmetry breaking, Nature Communications, 14, 5458 (2023).

l H.Z. Sha, J.Z. Cui, R. Yu, Deep sub-angstrom resolution imaging by electron ptychography with misorientation correction, Science Advances, 8, eabn2275 (2022).

l T.Q. Zhang, W.D. Xing, F.G. Chen, L.T. Zhang, R. Yu, Improvement of coercivity and its thermal stability of hot-deformed Nd-Fe-B magnets processed by Tb₇₀Cu₃₀ doping and subsequent Nd₈₅Cu₁₅ diffusion, Acta Materialia, 220, 117296 (2021).