Researches include:

1. Developing atomic-resolved in situ microscopy techniques and methods;
2. X-ray detection and photon/electron detection materials and techniques;
3. Build materials structure-property relationships;
4. Atomistic mechanisms of dislocations and grain/twin boundaries;
5. Developing high strength yet ductile metals and alloys.

Publishing more than 270 scientific papers including Science, Nature, Nature series journals, Phys. Rev. Letts., Adv. Mater., Acta Mater., etc. Awarded National Nature Science Prize (2nd-Class, 2021), First-Class Prize of Beijing Science and Technology Progress.