Yejun He
Papers
1
Total Citations
135
H-Index
1
About
Dr. Yejun He is a leading figure in planetary science and instrumentation, best known for his pivotal role in the development of PIXL (Planetary Instrument for X-Ray Lithochemistry), a sophisticated X-ray fluorescence spectrometer aboard NASA’s Perseverance rover. His research focuses on in-situ geochemical analysis of planetary surfaces, advancing our understanding of Martian geology and the search for past habitable environments. Dr. He’s most cited work, the 2020 paper detailing PIXL’s design and capabilities (135 citations), has become a cornerstone reference for the Mars 2020 mission, enabling high-resolution mapping of elemental composition in rocks and regolith. This contribution has directly supported the identification of potential biosignatures and the selection of samples for future return to Earth. Beyond PIXL, Dr. He’s expertise spans X-ray spectroscopy, sensor development, and planetary exploration technologies. His work exemplifies the fusion of engineering and science, driving breakthroughs that shape how we explore other worlds. For students and researchers, Dr. He’s career demonstrates how instrument innovation can unlock fundamental discoveries about our solar system.
Research Focus
Key Achievements
Top Papers
- 1PIXL: Planetary Instrument for X-Ray Lithochemistry135 citations · 2020