1. Duan, S., Dai, L., Wang, C., Cai, C., He, Z., Zhang, Y., Reme, H., Dandouras, I. ( 2019), Conjunction observations of energetic oxygen ions O+ accumulated in the sequential flux ropes in the high-altitude cusp, Journal of Geophysical Research: Space Physics, 124, 7912-7922, https://doi.org/10.1029/2019JA026989 .
2.Duan, S.P., Dai, L., Wang, C., He, Z., Cai, C., Zhang, Y. C.,…Khotyaintsev, Y. V.( 2017), Oxygen ions O+ energized by kinetic Alfv n eigenmode during dipolarizations of intense substorms, Journal of Geophysical Research: Space Physics, 122. https:// doi. org/ 10.1002 /2017JA024418.
3. Duan S. P., Lei Dai, C.Wang, J. Liang, A. T. Y. Lui, L. J. Chen, Z. H. He, Y. C. Zhang, V.Angelopoulos: Evidence of kinetic Alfv n eigenmode in the near-Earth magnetotail during substorm expansion phase,2016,Journal of Geophysical Research: Space Physics; 121(5).DOI:10.1002/2016JA022431
4. Duan, S.P.,Dai, Lei,Wang, Chi,Lui, A. T. Y.,Liu,Zhenxing,He, Zhaohai,Zhang, Yongcun,Dandouras, I.,Reme, H. (2015),Cluster observations of unusually high concentration of energetic O+ carried by flux ropes in the nightside high-latitude magnetosheath during a storm initial phase,Journal of Geophysical Research-SpacePhysics,120(10), 8317-8326,doi:10.1002/2015JA021306.
5. Duan, S. P., Z. Y. Li, and Z. X. Liu (2005), Kinetic Alfv n waves driven by the density inhomogeneity in the presence of loss-cone distribution function—Particle aspect analysis, Planet. Space Sci., 53(11), 1167–1173.