Gallery
  • Atomic-resolution grain boundary
  • The octahedron shifting by ABF image
  • High angle annular field image of a substrate–film interface
  • Bilayer graphene
  • Atomic-resolution EDS mapping of dislocation
  • The oxygen octahedron distortion near the dislocation core
  • In situ HRTEM:Ion Migration
  • STEM:Phase Transition


News
2018.10: Mingqiang Li was awarded the best papers in the 2018 National Symposium on Electron Microscopy.
China-em News
2018.10: Shulin Chen was awarded the best poster presentation in the 2018 National Symposium on Electron Microscopy.
China-em News
2018.10: Our paper “Atomic Scale Insights into Structure Instability and Decomposition Pathway of Methylammonium Lead Iodide Perovskite” was published on Nature Communications.
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2018.09: Welcome new member: PhD candidates Bingyao Liu, Ruochen Shi, Mei Wu and Postgraduate student Weikang Dong and Ze Hua to join our group.
2018.08: Our paper “Atomic-Scale Probing of Reversible Li Migration in 1T-V1+xSe2 and the Interactions between Interstitial V and Li” was published on Nano Letters.
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2018.06: Our paper “Atomic-Scale Measurement of Flexoelectric Polarization at SrTiO3 Dislocations” was published on Physical Review Letters.
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2018.05: Our paper “Atomic-scale mechanism of internal structural relaxation screening at polar interfaces” was published on Physical Review B.
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2018.05: Our paper “Possible absence of critical thickness and size effect in ultrathin perovskite ferroelectric films” is elected as one of the “2017 Top 10 Breakthrough of the Year in ELECTRONIC SCIENCE and TECHNOLOGY of China”.
JEST News    CNC News
2018.04: Mingqiang Li was awarded the best oral presentation in the 2nd Peking University Graduate Student Forum on Advanced Interdisciplinary Studies.
PKU News
2018.04: Our paper “Atomic structure and migration dynamics of MoS2/LixMoS2 interface” was published on Nano Energy.
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2017.09: Welcome new member: PhD candidates Yuanwei Sun, Ning Li, Chen Yang, Adeel Younas Abid and Postgraduate student Zhipeng Dou to join our group.
2017.03: Our paper “In situ atomic-scale observation of reversible sodium ions migration in layered metal dichalcogenide SnS2 nanostructures” was published on Nano Energy.
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2016.12: Our paper “Atomic-Scale Tracking of a Phase Transition from Spinel to Rocksalt in Lithium Manganese Oxide” was published on Chemistry of Materials.
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2016.08: Our paper “High-Resolution Tracking Asymmetric Lithium Insertion and Extraction and Local Structure Ordering in SnS2” was published on Nano Letters.
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2016.08: Our collaborated paper “Ultrafast growth of single-crystal graphene assisted by a continuous oxygen supply” was published on Nature Nanotechnology.
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2016.07: Welcome Dr.Ruiwen Shao and Dr.Xujing Li to join our group.
2016.06: Our collaborated paper “Crystal Structure Manipulation of the Exchange Bias in an Antiferromagnetic Film” was published on .Scientific Report.
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2016.04: Our collaborated paper “Phase field simulation of charged interface formation during ferroelectric switching” was published on Acta Materialia.
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2016.04: Our paper “Atomic Mechanism of Polarization-Controlled Surface Reconstruction in Ferroelectric Thin Films” was published on Nature Communications. PDF Download
PKU News    JEOL News
2015.12: New aberration corrected scanning transmission electron microscope was ordered from Nion U-HERMES200. The energy resolution is as high as 8 meV. The spatial resolution is 60 pm.
2015.12: New double corrected transmission electron microscope FEI Themis G2 300 was ordered. The spatial resolution is 60 pm. .
2015.09: Our paper “Atomic-Scale Probing of the Dynamics of Sodium Transport and Intercalation Induced Phase Transformations in MoS2” was published on Acs Nano.PDF download
2015.09: Our group was born!