Condensed Matter Physics · Electron Microscopy

Zehao Dong

PhD Candidate in Physics at Tsinghua University

I study strongly correlated quantum materials and develop computational imaging methods that make atomic-scale defects visible in three dimensions.

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Zehao Dong in an electron microscopy laboratory

01

Profile

Biography

Hello! I am a PhD candidate in Physics at Tsinghua University, focusing on strongly correlated materials, particularly high-temperature superconductors. My previous research involved using scanning tunneling microscopy (STM) and tunneling spectroscopy to investigate their electronic properties. Currently, I am developing novel computational imaging techniques for scanning transmission electron microscopy (STEM) and applying them to visualize local structural defects in quantum materials.

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Focus

Research & Skills

Research Interests

  • High-temperature superconductivityHow do electrons interact in cuprates and nickelates?
  • Scanning transmission electron microscopyVisualizing structures at the atomic level.
  • Multislice electron ptychographyGPU-accelerated phase retrieval for electron imaging.

Technical Skills

  • ExperimentalElectron microscopy, micro-nano fabrication, and transport measurements.
  • ProgrammingMATLAB and Python; PyTorch model development, training, and hyperparameter tuning.
  • LanguagesChinese (native), English (fluent), and Shanghainese (native).

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Training

Education

Bachelor’s Degree in Physics

School of Physics, Peking University

Graduate Student in Physics

Department of Physics, Tsinghua University

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Recognition

Honors & Awards

20th International Microscopy Congress (IMC)

Best Oral Presentation Award for “Improving depth resolution using tilt-series coupled multislice electron ptychography.”

National Scholarship for Graduate Students

Ministry of Education, China

NSFC Young Scientists Fund for Graduate Students

Grant No. 124B2068

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Selected talks

Conference Presentations

20th International Microscopy Congress

Busan, South Korea

Improving depth resolution using tilt-series coupled multislice electron ptychography

CPS Fall Meeting

Haikou, China

Visualization of oxygen vacancies and self-doped ligand holes in La3Ni2O7−δ

Materials and Mechanisms of Superconductivity (M2S) Conference

Stuttgart, Germany

Visualizing oxygen vacancies and interstitials in bilayer nickelates via electron ptychography