研究成果：
近期论文：
lR. Yu, H.Z. Sha, J.Z. Cui, W.F. Yang, Introduction to electron ptychography for materials scientists, Microstructures, 4, 2024056 (2024).
lL.Z. Mao, J.Z. Cui, R. Yu, 3D reconstruction of a million atoms by multiple-section local-orbital tomography, Science Bulletin, 70, 64 (2025).
lH.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).
lH.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).
lZ.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).
lW.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).
lJ.B. Zhanget al., A correlated ferromagnetic polar metal by design, Nature Materials, 23, 912 (2024).
lZ.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).
lJ.Z. Cui, H.Z. Sha, W.F. Yang, R. Yu, Antiferromagnetic imaging via ptychographic phase retrieval, Science Bulletin, 69, 466 (2024).
lH.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).
lC. 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).
lH.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).
lY.H. Lianget al., Field-free spin-orbit switching of perpendicular magnetization enabled by dislocation induced in-plane symmetry breaking, Nature Communications, 14, 5458 (2023).
lH.Z. Sha, J.Z. Cui, R. Yu, Deep sub-angstrom resolution imaging by electron ptychography with misorientation correction, Science Advances, 8, eabn2275 (2022).
lT.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 Tb70Cu30doping and subsequent Nd85Cu15diffusion, Acta Materialia, 220, 117296 (2021).
于荣
北京市
研究领域：
新材料
研究方向：
“结构与性能关系”是材料科学与工程的中心范式。随着材料研究的发展，人们对材料微观结构与性能的认识已深入到原子与电子层次。不仅低维材料直接在原子尺度进行设计与调控，即使是传统的工程材料，其合成制备、宏观性能、服役行为也往往需要追溯到原子尺度的微观结构。
我们长期从事电子显微学与材料科学研究，主要在原子尺度研究材料的晶体结构与缺陷、电子结构与磁结构，并开展稀土永磁材料与工艺研究。发明了自适应传播因子叠层成像、局域轨道叠层成像、局域轨道三维重构等方法，将显微成像的信息极限推进到了14皮米，实现了原子分辨的磁成像、低剂量亚埃分辨成像、金属中单个间隙轻原子的显微成像。
目前的主要方向包括：
1、电子显微学方法：电子叠层成像算法；原子分辨三维重构算法；电子衍射与成像计算。
2、材料的微观结构：晶体结构与缺陷；电子结构与磁结构。
3、新材料与新工艺：稀土永磁材料。
所在单位：
清华大学
