个人简介
2019.09～至今，中国科学院兰州化学物理研究所，研究员；
2012.01～2019.08，中国科学院兰州化学物理研究所，副研究员；
2009.07～2011.12，中国科学院兰州化学物理研究所，助理研究员；
2004.09～2009.07，中国科学院兰州化学物理研究所，物理化学专业，博士；
2000.09～2004.07，河北农业大学，化学专业，本科。
中国科学院青年创新促进会会员，中科院西部青年学者A类人才入选者，中国机械工程协会表面工程分会青工委委员。主要从事PVD/CVD固体润滑、耐磨和防护薄膜/涂层材料的基础研究和应用研究工作。先后主持/参加完成了国家自然科学基金、GFJG重点、航天企业合作攻关、GF基础科研、航天基础理论研究等10余项项目的研究工作，在Carbon、ACS Appl. Mater. Interfaces、Applied Physical Letters、Journal of Applied Physics、Diamond & Related Materials等领域专业期刊发表SCI论文70余篇，申报国家发明专利10余件，研制的多种固体润滑薄膜材料在高技术关键工程部件上获得成功应用。
研究领域
1.超润滑碳基薄膜的设计及纳米结构调控
2. 低维碳纳米材料的摩擦学特性及机理
3. 碳基材料的真空延寿及空间应用
4. 宽温域自修复润滑薄膜的设计
近期论文
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1. X. Gao, L. Chen, L. Ji*, X.H. Liu, H.X. Li*, H.D. Zhou, J.M. Chen, Humidity-sensitive macroscopic lubrication behavior of an as-sprayed graphene oxide coating, Carbon, 2018, 140: 124~130.
2. H. Song, L. Ji*, H.X. Li, J.Q. Wang, X.H. Liu, H.D. Zhou, J.M. Chen*, Self-forming oriented layer slip and macroscale super-low friction of graphene, Applied Physics Letters, 2017, 110：073101.
3. H. Song, L. Ji*, H.X. Li, X.H. Liu, H.D. Zhou, W.Q. Wang, J.M.Chen*,External-Field-Induced Growth Effect of an a-C:H Film for Manipulating Its Medium-Range Nanostructures and Properties, ACS Appl. Mater. Interfaces, 8(2016) 6639-6645.
4. Weiqi Wang, Li Ji*, Hongxuan Li*, Huidi Zhou, Jianmin Chen Self-organized formation of nano-multilayer structure in the carbon-copper thin filmduring reactive magnetron sputtering deposition process, Journal of Alloys and Compounds, 722 (2017) 242-249
5. Weiqi Wang, Li Ji*, Hongxuan Li*, Yiman Zhao, Huidi Zhou, Jianmin Chen, Microstructural and component evolution of self-assembled nanoperiod multilay ered carbon-copper films with deposition pressure, AIP Advances 7 (2017) 045108.
6. Hui Song, Li Ji*, Hongxuan Li, Xiaohong Liu, Huidi Zhou, Weiqi Wang, Jianmin Chen*, Perspectives of friction mechanism of a-C:H film in vacuum concerning the onion-like carbon transformation at the sliding interface, RSC Adv., 5 (2015) 8904-8911.
7. H. Song, L. Ji*, H.X. Li, X.H. Liu, H.D. Zhou, L. Liu, J.M. Chen*, Interface design for a-C:H ？lm with super long wear life Interface design for a-C:H ？lm with super long wear life, Tribology International 95 (2016) 298–305.
8. Hui Song, Li Ji*, Hongxuan Li, Xiaohong Liu, Huidi Zhou, Liu Liu, Jianmin Chen*, Improving the tribological performance of a-C:H film in a high vacuum by surface texture, J. Phys. D: Appl. Phys. 47 (2014) 235301 (11pp).
9. Yingying Fu, Hongxuan Li, Li Ji*, Xiaohong Liu, Liu Liu, Huidi Zhou, Jianmin Chen*, Insight into Al existing form and its role on microstructure and properties of Cr1-xAlxNfilms, Surf. Interface Anal. 2016, 48,26–33.
10. Li Ji*, Yanxia Wu, Hongxuan Li, Hui Song, Xiaohong Liu, Yinping Ye, Jianmin Chen, Huidi Zhou, Liu Liu, The role of trace Ti concentration on the evolution of microstructure and properties of duplex doped Ti(Ag)/DLC films, Vacuum, 115 (2015) 23-30.
11. Li Ji, Hongxuan Li, Fei Zhao, Weilong Quan，Jianmin Chen, Huidi Zhou，Fullerene-like hydrogenated carbon films with super-low friction and wear, an low sensitivity to environment，J. Phys. D: Appl. Phys. 43(2010) 015404 (5pp) .
12. Li Ji, Hongxuan Li, Fei Zhao, Weilong Quan, Jianmin Chen, Huidi Zhou, Effects of pulse bias duty cycle on fullerene-like nanostructure and mechanical properties of hydrogenated carbon films prepared by plasma enhanced chemical vapor deposition method, Journal of Applied Physics, 105（2009）106113.
13. Li Ji, Hongxuan Li, Fei Zhao, Jianmin Chen, Huidi Zhou, Microstructure and mechanical properties of Mo/DLC nanocomposite films, Diamond & Related Materials, 17 (2008) 1949-1954.
14. Li Ji, Hongxuan Li, Fei Zhao, Weilong Quan, Jianmin Chen and Huidi Zhou, Atomic oxygen resistant behaviors of Mo/diamond-like carbon nanocomposite films for space lubricants, Applied Surface Science, 255 (2009) 4180-4184.
15. Li Ji, Hongxuan Li, Fei Zhao, Weilong Quan，Jianmin Chen, Huidi Zhou, Influences of ultraviolet irradiation on structure and tribological properties of diamond-like carbon films, Applied Surface Science, 2009, 255: 8409-8413 .
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