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邮箱:rankj@cqu.edu.cn
个人简介
重庆大学物理学院、量子材料与器件研究中心教授,博士生、硕士生导师,弘深青年学者。主要从事以拓扑磁性材料、量子自旋液体、拓扑超导体为代表的新颖量子材料的晶体生长、自旋动力学与同步辐射磁学表征研究。依托于中子散射与先进软X 射线散射技术,致力于新颖量子磁性材料的新奇物相探索工作。近年来在领域内总计发表SCI 学术论文33篇,以主要作者(一作/共同一作/共同通讯)身份发表论文14篇,包括5篇PRL,其中三篇入选ESI 高被引文章。截止目前,被Nature、Nat. Phys.、PRL 等杂志在内总引近1500余次。主持了国家自然科学基金面上项目、国家自然科学基金青年基金与上海市青年英才扬帆计划项目。
教育背景
2014-08至2019-06,南京大学,物理学,博士
2010-09至2014-06,重庆大学,应用物理,学士
科研与学术工作经历
2024-06至今,重庆大学物理学院、量子材料与器件中心,特聘教授
2022-08至2024-05,上海科技大学,物质科学与技术学院,副研究员
2019-06至2022-08,上海科技大学,物质科学与技术学院,助理研究员
基金项目
1. 国家自然科学基金委员会,面上项目, 三维拓扑磁性材料的磁结构表征与磁激发研究,
2024-01-01 至 2027-12-31,主持
2. 国家自然科学基金委员会,青年科学基金项目,电场调控下多铁材料中磁电耦合微观机制的中子散射研究,
2021-01-01 至 2023-12-31,主持
3. 上海市科学技术委员会,上海市青年英才扬帆计划,拓扑磁性材料的自旋动力学研究及量子调控,
2020-07 至 2023-06,主持
4. 上海市科学技术委员会,上海市科技创新行动计划(基础科研类),三维拓扑磁体的物性研究与器件研发, 2021-10 至 2024-09,主研
代表学术论文 (一作/共一/共通)
同步辐射磁学表征
1. Kejing Ran, Wancong Tan, Xinyu Sun, Yizhou Liu, Robert M. Dalgliesh, Nina-Juliane Steinke, Gerrit van der Laan, Sean Langridge, Thorsten Hesjedal and Shilei Zhang, Bending skyrmion strings under two-dimensional thermal gradients, Nat. Commun. 12, 4860 (2024).
2. Kejing Ran, Yizhou Liu, Haonan Jin, Yanyan Shangguan, Yao Guang, Jinsheng Wen, Guoqiang Yu, Gerrit van der Laan, Thorsten Hesjedal and Shilei Zhang, Axially Bound Magnetic Skyrmions: Glueing Topological Strings Across an Interface, Nano Lett. 22, 3737 (2022).
3. Kejing Ran*, Yizhou Liu*, Yao Guang, David M. Burn, Gerrit van der Laan, Thorsten Hesjedal, Haifeng Du, Guoqiang Yu, and Shilei Zhang, Creation of a Chiral Bobber Lattice in Helimagnet-Multilayer Heterostructures, Phys. Rev. Lett. 126, 017204 (2021). (编辑推荐)
4. Yao Guang*, Kejing Ran*, Junwei Zhang, Yizhou Liu, Senfu Zhang, Xuepeng Qiu, Yong Peng, Xixiang Zhang, Markus Weigand, Joachim Gräfe, Gisela Schütz, Gerrit van der Laan, Thorsten Hesjedal, Shilei Zhang, Guoqiang Yu, and Xiufeng Han, Superposition of Emergent Monopole and Antimonopole in CoTb Thin Films, Phys. Rev. Lett. 127, 217201 (2021).
5. Wancong Tan, Haonan Jin, Raymond Fan, Kejing Ran#, and Shilei Zhang#, Evidence for giant surface Dzyaloshinskii-Moriya interaction in the chiral magnetic insulator Cu2OSeO3, Phys. Rev. B 109, L220402 (2024). (封面高亮)
6. Xiaodong Xie*, Kejing Ran*, Yizhou Liu, Raymond Fan, Wancong Tan, Haonan Jin, Manuel Valvidares, Nicolas Jaouen , Haifeng Du, Gerrit van der Laan, Thorsten Hesjedal, and Shilei Zhang, Observation of the skyrmion side-face state in a chiral magnet. Phys. Rev. B 107, L060405 (2023).
7. K. Ran, D. Song, W. Wang, H. Du, and S. Zhang,“Three-dimensional magnetic structures of b20 chiral magnets,” Spintronics, Chap. 8, pp. 203–219 (John Wiley & Sons, Ltd, 2022). (著作章节)
中子散射与输运表征
8. Kejing Ran*, Jinghui Wang*, Wei Wang, Zhao-Yang Dong, Xiao Ren, Song Bao, Shichao Li, Zhen Ma, Yuan Gan, Youtian Zhang, J. T. Park, Guochu Deng, S. Danilkin, Shun-Li Yu, Jian-Xin Li, and Jinsheng Wen, Spin-Wave Excitations Evidencing the Kitaev Interaction in Single Crystalline α−RuCl3, Phys. Rev. Lett. 118, 107203 (2017).
9. Jiacheng Zheng✻, Kejing Ran✻, Tianrun Li, Jinghui Wang, Pengshuai Wang, Bin Liu, Zheng-Xin Liu, B. Normand, Jinsheng Wen, and Weiqiang Yu, Gapless Spin Excitations in the Field-Induced Quantum Spin Liquid Phase of α-RuCl3, Phys. Rev. Lett. 119, 227208 (2017).
10. Y. J. Yu✻, Y. Xu✻, K. J. Ran✻, J.M. Ni, Y. Y. Huang, J. H. Wang, J. S. Wen, and S. Y. Li, Ultralow-Temperature Thermal Conductivity of the Kitaev Honeycomb Magnet α-RuCl3 across the Field-Induced Phase Transition, Phys. Rev. Lett. 120, 067202 (2018).
11. Kejing Ran, Jinghui Wang, Song Bao, Zhengwei Cai, Yanyan Shangguan, Zhen Ma, Wei Wang, Zhao-Yang Dong, P. Cermák, A. Schneidewind, Siqin Meng, Zhilun Lu, Shun-Li Yu, Jian-Xin Li and Jinsheng Wen, Evidence for Magnetic Fractional Excitations in a Kitaev Quantum-Spin-Liquid Candidate α-RuCl3, Chin. Phys. Lett. 39, 027501 (2022). (封面高亮)
12. Xiaoxue Zhao*, Kejing Ran*, Jinghui Wang, Song Bao, Yanyan Shangguan, Zhentao Huang, Junbo Liao, Bo Zhang, Shufan Cheng, Hao Xu, Wei Wang, Zhao-Yang Dong, Siqin Meng, Zhilun Lu, Shin-ichiro Yano, Shun-Li Yu, Jian-Xin Li and Jinsheng Wen, Neutron Spectroscopy Evidence for a Possible Magnetic-Field-Induced Gapless Quantum-Spin-Liquid Phase in a Kitaev Material α-RuCl3, Chin. Phys. Lett. 39, 057501 (2022).(封面高亮)
13. Kejing Ran, Ruidan Zhong, Tong Chen, Yuan Gan, Jinghui Wang, B. L. Winn, A. D. Christianson, Shichao Li, Zhen Ma, Song Bao, Zhengwei Cai, Guangyong Xu, J. M. Tranquada, Genda Gu, Jian Sun, and Jinsheng Wen, Unusual phonon density of states and response to the superconducting transition in the In-doped topological crystalline insulator Pb0.5Sn0.5Te, Phys. Rev. B 97, 220502(R) (2018).
14. 冉柯静, 王靖珲, 温锦生, 通往量子自旋液体的新路径——Kitaev 模型的材料实现, 物理, 2021, 50(7): 443-453.(邀稿综述)
(✻ & # The authors contributed equally to this work.)
每年拟招收博士、硕士研究生1–2名。
欢迎对实验物理感兴趣且愿意出国实验的同学、博士后加入!