Hi, I’m Peng Wang (王鹏), an associate professor working in the Department of Physics at the University of Warwick. Previously, I established and led an aberration-corrected EM group called Sub-Atomic Resolution EM Laboratory at Nanjing University, China, which provides national access to state-of-art EM characterisation capabilities. My research has been focused primarily on two areas: examining the atomic structure of advanced materials and its effect on their functional properties in situ, with emphasis on complex oxides and two-dimensional materials, and developing novel computational diffractive imaging techniques (ptychography, 4D STEM) for light atomic detecting, low dose imaging, 3D reconstruction, EM field mapping, and cryo-EM, which can then tackle characterisation challenges across the physical and life sciences,  ranging from battery materials to biological macromolecules. I am a member of the Institute of Physics (MInstP) and a committee member of the Chinese Crystallography Society (CCS), Chinese Electron Microscopy Society (CEMS), the Youth Committee of the Chinese Materials Research Society (CMRS) and Jiangsu Vacuum Society.

group photo

Many Congratulations to Xudong Pei, and coauthors! We would like to thank tremendous contributions from our collaborators to this work.  The paper of Cryogenic electron ptychographic single particle analysis with wide bandwidth information transfer Xudong Pei1#, Liqi Zhou1,2#, Chen Huang3#, Mark Boyce4, Judy S. Kim3,5, Emanuela Liberti3, Yiming Hu1, Takeo Sasaki6, Peter D. Nellist5, Peijun Zhang4,7,, David I. Stuart4,7,Angus I. Kirkland3,5,7* and Peng Wang1,2* has been accepted by Nature Communications, 2023 May and is on line now.


Novel Imaging Developments:

Pei#, X., Zhou#, L., Huang#, C., Boyce, M., Kim, J. S., Liberti, E., Hu, Y., Sasaki, T., Nellist, P. D., Zhang, P., Stuart, D. I., Kirkland*, A. I. & Wang*, P. Cryogenic electron ptychographic single particle analysis with wide bandwidth information transfer. Nature Communications 14, 3027, (2023).

Ding, Z., Gao, S., Fang, W., Huang, C., Zhou, L., Pei, X., Liu, X., Pan, X., Fan, C., Kirkland, A. I. & Wang*, P. Three-dimensional electron ptychography of organic-inorganic hybrid nanostructures. Nature Communications, 13, 4787, (2022).

L. Zhou, J. Song, J.S. Kim, X. Pei, C. Huang, M. Boyce, L. Mendonça, D. Clare, A. Siebert, C.S. Allen, E. Liberti, D. Stuart, X. Pan, P.D. Nellist, P. Zhang, A.I. Kirkland* & P. Wang*. Low-dose phase retrieval of biological specimens using cryo-electron ptychography. Nature Communications, 11, 2773 (2020).

Song, B., Ding, Z., Allen, C. S., Sawada, H., Zhang, F., Pan, X., Warner, J., Kirkland, A. I. & Wang*, P. Hollow Electron Ptychographic Diffractive Imaging. Physical Review Letters, 121, 146101 (2018).

Gao, S., Wang*, P., Zhang*, F., Martinez, G. T., Nellist, P. D., Pan, X. & Kirkland, A. I. Electron ptychographic microscopy for three-dimensional imaging. Nature Communications 8, 163 (2017).

J. Song, C. S. Allen, S. Gao, C. Huang, H. Sawada, X. Pan, J. Warner, P. Wang* & A. I. Kirkland, Atomic Resolution Defocused Electron Ptychography at Low Dose with a Fast, Direct Electron Detector, Sci Rep, 9, 3919 (2019).

Wang*, P., Zhang*, F., Gao, S., Zhang, M. & Kirkland, A. I. Electron Ptychographic Diffractive Imaging of Boron Atoms in LaB6 Crystals. Sci Rep 7, 2857 (2017).

C Zhang, Y Feng, Z Han, S Gao, M Wang & P Wang*, Electrochemical and Structural Analysis in All-Solid-State Lithium Batteries by Analytical Electron Microscopy: Progress and Perspectives, Advanced Materials, e1903747 (2019) (Review).

Wang, P., Behan, G., Takeguchi, M., Hashimoto, A., Mitsuishi, K., Shimojo, M., Kirkland, A. I. & Nellist, P. D. Nanoscale Energy-Filtered Scanning Confocal Electron Microscopy Using a Double-Aberration-Corrected Transmission Electron Microscope. Physical Review Letters 104, 200801 (2010).

Wang, P., D’Alfonso, A. J., Findlay, S. D., Allen, L. J. & Bleloch, A. L. Contrast Reversal in Atomic-Resolution Chemical Mapping. Physical Review Letters 101, 236102 (2008).

Characterisation of 2D Crystals, Interfaces and Surfaces:

Han, L., Addiego, C., Prokhorenko, S., Wang, M., Fu, H., Nahas, Y., Yan, X., Cai, S., Wei, T., Fang, Y., Liu, H., Ji, D., Guo, W., Gu, Z., Yang, Y., Wang, P., Bellaiche, L., Chen, Y., Wu, D., Nie, Y. & Pan, X. High-density switchable skyrmion-like polar nanodomains integrated on silicon. Nature 603, 63-67, (2022).

Cai*, S., Lun, Y., Ji, D., Lv, P., Han, L., Guo, C., Zang, Y., Gao, S., Wei, Y., Gu, M., Zhang, C., Gu, Z., Wang, X., Addiego, C., Fang, D., Nie, Y., Hong*, J., Wang*, P. & Pan*, X. Enhanced polarization and abnormal flexural deformation in bent freestanding perovskite oxides. Nat Commun 13, 5116, (2022).

Zhou, J., Zhang, C., Shi, L., Chen, X., Kim, T. S., Gyeon, M., Chen, J., Wang, J., Yu, L., Wang, X., Kang, K., Orgiu, E., Samori, P., Watanabe, K., Taniguchi, T., Tsukagoshi, K., Wang, P., Shi, Y. & Li, S. Non-invasive digital etching of van der Waals semiconductors. Nature Communications 13, 1844, (2022).

Sun, H., Wang, J., Wang, Y., Guo, C., Gu, J., Mao, W., Yang, J., Liu, Y., Zhang, T., Gao, T., Fu, H., Zhang, T., Hao, Y., Gu, Z., Wang, P., Huang, H. & Nie, Y. Nonvolatile ferroelectric domain wall memory integrated on silicon. Nat Commun 13, 4332, (2022).

D Ji#, S Cai#, TR Paudel, H Sun, C Zhang, L Han, Y Wei, Y Zang, M Gu, Y Zhang, W Gao, H Huyan, W Guo, D Wu, Z Gu, EY Tsymbal, P Wang*, Y Nie* & X Pan*, Freestanding crystalline oxide perovskites down to the monolayer limit, Nature, 570, 87-90 (2019).

Li, T., Guo, W., Ma, L., Li, W., Yu, Z., Han, Z., Gao, S., Liu, L., Fan, D., Wang, Z., Yang, Y., Lin, W., Luo, Z., Chen, X., Dai, N., Tu, X., Pan, D., Yao, Y., Wang, P., Nie, Y., Wang, J., Shi, Y. & Wang, X. Epitaxial growth of wafer-scale molybdenum disulfide semiconductor single crystals on sapphire. Nat Nanotechnol, (2021).

Gass, M. H., Bangert, U., Bleloch, A. L., Wang, P., Nair, R. R. & Geim, A. K. Free-standing graphene at atomic resolution. Nature Nanotechnology 3, 676-681 (2008).

W Li#, J Zhou#, S Cai#, Z Yu, J Zhang, N Fang, T Li, Y Wu, T Chen, X Xie, H Ma, K Yan, N Dai, X Wu, H Zhao, Z Wang, D He, L Pan, Y Shi, P Wang*, W Chen, K Nagashio, X Duan & X Wang*, Uniform and ultrathin high-κ gate dielectrics for two-dimensional electronic devices, Nature Electronics, 2, 563 (2019).

H Zhao, Y Zhao, Y Song, M Zhou, W Lv, L Tao, Y Feng, B Song, Y Ma, J Zhang, J Xiao, Y Wang, DH Lien, M Amani, H Kim, X Chen, Z Wu, Z Ni, P Wang, Y Shi, H Ma, X Zhang, JB Xu, A Troisi, A Javey & X Wang*, Strong optical response and light emission from a monolayer molecular crystal, Nature Communications, 10, 5589 (2019).

Wang, M., Cai, S., Pan, C., Wang, C., Lian, X., Zhuo, Y., Xu, K., Cao, T., Pan, X., Wang, B., Liang, S.-J., Yang*, J. J., Wang*, P. & Miao*, F. Robust memristors based on layered two-dimensional materials. Nature Electronics, (2018).

Characterisation of Nano-materials:

Zhai, L., Gebre, S. T., Chen, B., Xu, D., ….., Wang, P., Zhang, C., Gu, L., Du, Y., Lian, T., Zhang, H. & Wu, X.-J. Epitaxial growth of highly symmetrical branched noble metal-semiconductor heterostructures with efficient plasmon-induced hot-electron transfer. Nature Communications 14, (2023).

Wang, Y., Dai, L., Ding, Z., Ji, M., Liu, J., Xing, H., Liu, X., Ke, Y., Fan, C., Wang*, P. & Tian*, Y. DNA origami single crystals with Wulff shapes. Nature Communications 12, 3011, (2021).

Z Zhang#, Y Chen#, L Zhou#, C Chen, Z Han, B Zhang, Q Wu*, L Yang, L Du, Y Bu, P Wang*, X Wang, H Yang & Z Hu*, The simplest construction of single-site catalysts by the synergism of micropore trapping and nitrogen anchoring, Nature Communications, 10 (2019).

Zhang, X., Luo, Z., Yu, P., Cai, Y., Du, Y., Wu, D., Gao, S., Tan, C., Li, Z., Ren, M., Osipowicz, T., Chen, S., Jiang, Z., Li, J., Huang, Y., Yang, J., Chen, Y., Ang, C. Y., Zhao, Y., Wang, P., Song, L., Wu, X., Liu, Z., Borgna, A. & Zhang, H. Lithiation-induced amorphization of Pd3P2S8 for highly efficient hydrogen evolution. Nature Catalysis, (2018).

Allen, J. E., Hemesath, E. R., Perea, D. E., Lensch-Falk, J. L., Li, Z. Y., Yin, F., Gass, M. H., Wang, P., Bleloch, A. L., Palmer, R. E. & Lauhon, L. J. High-resolution detection of Au catalyst atoms in Si nanowires. Nature Nanotechnology  3, 168-173 (2008).

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