1. C. Ji, B. Li, J. Luo, Y. Zhao, Y. Liu, K. Glazyrin, A. Björling, L. A. B. Marçal, M. Kahnt, S. Kalbfleisch, W. Liu, Y. Gao, J. Wang, W. L. Mao, H. Liu, Y. Ma, Y. Ding, W. Yang and H.-K. Mao (2025). "Ultrahigh-pressure crystallographic passage towards metallic hydrogen." Nature 641: 904-909.

2. C. Ji, B. Li, W. Liu, J. S. Smith, A. Majumdar, W. Luo, R. Ahuja, J. Shu, J. Wang, S. Sinogeikin, Y. Meng, V. B. Prakapenka, E. Greenberg, R. Xu, X. Huang, W. Yang, G. Shen, W. L. Mao, and H.-k. Mao*, “Ultrahigh pressure isostructural electronic transitions in hydrogen”, Nature 573, 558 (2019).

3. C. Ji, B. Li, W. Liu, J. S. Smith, A. Björling, A. Majumdar, W. Luo, R. Ahuja, J. Shu, J. Wang, S. Sinogeikin, Y. Meng, V. B. Prakapenka, E. Greenberg, R. Xu, X. Huang, Y. Ding, A. Soldatov, W. Yang, G. Shen, W. L. Mao, and H.-k. Mao*, ''Crystallography of low Z material at ultrahigh pressure: case study on solid hydrogen”, Matter and Radiation at Extremes 5, 038401 (2020).

4. C. Ji#, A. A. Adeleke#, L. Yang#, B. Wan, H. Gou*, Y. Yao*, B. Li, Y. Meng, J. S. Smith, V. B. Prakapenka, W. Liu, G. Shen, W. L. Mao, H.-k. Mao*, ''Nitrogen in black phosphorus structure”, Science Advances 6, eaba9206 (2020).

5. A. F. Goncharov*, I. Chuvashova, C. Ji*, and H.-k. Mao*, “Intermolecular coupling and fluxional behavior of hydrogen in phase IV”, PNAS 116 (51) 25512-25515 (2019).

6. C. Ji, A.F. Goncharov, V. Shukla, N.K. Jena, D. Popov, B. Li, J. Wang, Y. Meng, V.B. Prakapenka, J.S. Smith, R. Ahuja, W. Yang, and H.K. Mao*, “Stability of Ar(H2)2 to 358 GPa”, PNAS 114, 3596-3600 (2017).

7. C. Ji, V. I Levitas, H. Zhu, J. Chaudhuri, A. Marathe, Y. Ma*, “Shear-induced phase transition of nanocrystalline hexagonal boron nitride to wurtzitic structure at room temperature and lower pressure”, PNAS 109, 19108-19112 (2012).

8. B. Li*, C. Ji, W. Yang, J. Wang, K. Yang, R. Xu, W. Liu, Z. Cai, J. Chen, and H.-k. Mao*, “Diamond anvil cell behavior up to 4 Mbar”, PNAS 115, 1713 (2018).