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蔡永青，大连理工大学助理教授，硕士生导师。2015年本科毕业于山东大学物理学院，2021年博士毕业于中国科学院物理研究所。2021至2023年，在南方科技大学量子科学与工程研究院从事博士后研究。2023年11月入职大连理工大学物理学院。长期致力于拓扑量子材料和高温超导体的电子结构研究，主要研究手段包括角分辨光电子能谱和扫描隧道显微镜等。在铁基超导体电子结构和非常规超导机理，笼目超导体CsV3Sb5体系和其他拓扑量子材料的电子结构研究方面取得了一系列进展。共发表高水平SCI论文40余篇，含Advanced Materials, Science Bulletin, National Science Review, Communications Materials等第一或通讯作者（含共同）11篇。获中国博士后科学基金面上资助。在中国物理学会秋季会议、粤港澳大湾区物理学会联合年会、全国磁性材料与器件大会等做会议报告。

代表性论文（仅列出第一或通讯作者论文，注：#共同第一作者，*共同通讯作者）

Cai Yongqing, Zhang Jing, Zha Heming, Zhang Fayuan, Wang Yuan, Chen Weizhao, Hao Zhanyang, Deng Liwei, Liu Wenjing, Rong Hongtao, Jiang Zhicheng, Yang Yichen, Jiang Qi, Liu Zhengtai, Ye Mao, Rienks E. D. L., Huang Yaobo, Guo Shu, Lin Junhao, Wang Le, Liu Qihang, Qiao Shan, Chen Chaoyu. Observation of highly spin‐polarized dangling bond surface states in rare‐earth pnictide tellurides. Advanced Materials 37(1): 2411733 (2024).

Cai Yongqing,  Huang Jianwei, Miao Taimin, Wu Dingsong, Gao Qiang, Li Cong, Xu Yu, Jia Junjie, Wang Qingyan, Huang Yuan, Liu Guodong, Zhang Fengfeng, Zhang Shenjin, Yang Feng, Wang Zhimin, Peng Qinjun, Xu Zuyan, Zhao Lin, Zhou Xingjiang, Identification of band structure folding in an iron-based superconductor (Ba_0.6K_0.4)Fe₂As₂, Science Bulletin 66(18):1839 (2021)

Cai Yongqing, Wang Yuan, Hao Zhanyang, Liu Yixuan, Sui Xuelei, Liang Zuowei, Ma Xiao-Ming, Zhang Fayuan, Shen Zecheng, Zhang Chengcheng, Jiang Zhicheng, Yang Yichen, Liu Wanling, Jiang Qi, Liu Zhengtai, Ye Mao, Shen Dawei, Gao Han, Xiao Hanbo, Liu Zhongkai, Sun Zhe, Liu Yi, Cui Shengtao, Chen Jiabin, Wang Le, Liu Cai, Lin Junhao, Huang Bing, Wang Zhenyu, Chen Xianhui, Mei Jia-Wei, Wang Jianfeng, Chen Chaoyu. Emergence of quantum confinement in topological kagome superconductor CsV₃Sb₅. Communications Materials 5: 31 (2024).

Cai Yongqing^*, Hao Zhanyang, Wang Le, Wang Yuan, Liu Yixuan, Mei Jia-Wei, Wang Jianfeng, Chen Chaoyu. Angle-resolved photoemission spectroscopy study on kagome superconductor AV₃Sb₅ (A = K, Rb, Cs). Superconductor Science and Technology 37(12): 123001 (2024).

Cai Yongqing, Wang Jianfeng, Wang Yuan, Hao Zhanyang, Liu Yixuan, Zhou Liang, Sui Xuelei, Jiang Zhicheng, Xu Shengjie, Ge Han, Ma Xiao‐Ming, Zhang Chengcheng, Shen Zecheng, Yang Yichen, Jiang Qi, Liu Zhengtai, Ye Mao, Shen Dawei, Liu Yi, Cui Shengtao, Wang Le, Liu Cai, Lin Junhao, Huang Bing, Wu Liusuo, Zhuang Jincheng, He Hongtao, Zhang Wenqing, Mei Jia‐Wei, Chen Chaoyu. Type‐II Dirac nodal lines in a double‐kagome‐layered semimetal. Advanced Electronic Materials 9(7): 2300212 (2023)

Yongqing Cai, Xie Tao, Yang Huan, Wu Dingsong, Huang Jianwei, Hong Wenshan, Cao Lu, Liu Chang, Li Cong, Xu Yu, Gao Qiang, Miao Taimin, Liu Guodong, Li Shiliang, Huang Li, Luo Huiqian, Xu Zuyan, Gao Hongjun, Zhao Lin, Zhou X. J., Common (π, π) band folding and surface reconstruction in FeAs-Based superconductors, Chinese Physics Letter 38(5): 057404 (2021).

Liu Shao-Bo^#, Tian Congkuan^#, Cai Yongqing^#, Cui Hang, Wei Xinjian, Chen Mantang, Zhao Yang, Sui Yuan, Guan Shuyue, Jia Shuang. Three-dimensional quantum Griffiths singularity in bulk iron-pnictide superconductors. National Science Review 11(12): nwae220 (2024).

Hao Zhanyang^#, Cai Yongqing^#, Liu Yixuan, Wang Yuan, Sui Xuelei, Ma Xiao-Ming, Shen Zecheng, Jiang Zhicheng, Yang Yichen, Liu Wanling, Jiang Qi, Liu Zhengtai, Ye Mao, Shen Dawei, Liu Yi, Cui Shengtao, Chen Jiabin, Wang Le, Liu Cai, Lin Junhao, Wang Jianfeng, Huang Bing, Mei Jia-Wei, Chen Chaoyu. Dirac nodal lines and nodal loops in the topological kagome superconductor CsV₃Sb₅. Physical Review B 106(8):  (2022).

Liu Yixuan^#, Wang Yuan^#, Cai Yongqing^#, Hao Zhanyang, Ma Xiao-Ming, Wang Le, Liu Cai, Chen Jian, Zhou Liang, Wang Jinhua, Wang Shanmin, He Hongtao, Liu Yi, Cui Shengtao, Huang Bing, Wang Jianfeng, Chen Chaoyu, Mei Jia-Wei. Doping evolution of superconductivity, charge order, and band topology in hole-doped topological kagome superconductors Cs(V_1-xTi_x)₃Sb₅. Physical Review Materials 7(6):  (2023).

Wei Zheng, Sun Xingdong, Cai Yongqing^*, Liang Yao, Zhang Zhihua. Batch Production of Wafer-Scale Monolayer MoS₂. Crystals 13(8): 1275 (2023).

Wang Yuan, Liu Yixuan, Hao Zhanyang, Cheng Wenjing, Deng Junze, Wang Yuxin, Gu Yuhao, Ma Xiao-Ming, Rong Hongtao, Zhang Fayuan, Guo Shu, Zhang Chengcheng, Jiang Zhicheng, Yang Yichen, Liu Wanling, Jiang Qi, Liu Zhengtai, Ye Mao, Shen Dawei, Liu Yi, Cui Shengtao, Wang Le, Liu Cai, Lin Junhao, Liu Ying, Cai Yongqing^*, Zhu Jinlong, Chen Chaoyu^*, Mei Jia-Wei^*. Flat Band and ℤ₂ Topology of Kagome Metal CsTi₃Bi₅. Chinese Physics Letters 40(3): 037102 (2023).