课题组近年来主要开展铁电外延薄膜的生长制备、非线性光学与超快动力学表征、以及太赫兹与集成光子学器件研究。迄今以第一、通讯作者身份在 Nature（入选当期封面文章）、Nature Communications、Advanced Materials等国际高水平期刊上发表论文40余篇，在Science、Nature Materials等期刊上合作发表论文80余篇，总引用4000余次，申请发明专利5项（已授权2项）。课题组承担教育部稳定支持计划项目、国家自然科学基金区域联合重点项目、原创探索计划项目、面上项目（两项）、北京市基金委杰青等重要科研项目，以及中核集团等企业横向研发项目。课题组现拥有氧化物分子束外延、脉冲激光沉积、射频磁控溅射、钛宝石飞秒放大激光器、微波光子测试平台以及多套自主设计搭建的光电测试装置，并与国内外X射线自由电子激光、同步辐射、超快电子衍射大科学装置建立了稳定的合作联系。每年可招收1-2名博士生，长期欢迎博士后加入本组。
近期代表性论文如下，完整列表详见ResearchGate (https://www.researchgate.net/profile/Qian-Li-176)：
(1) Qian Li, Haidan Wen# et al; Subterahertz collective dynamics of polar vortices, Nature, 2021, 592: 376-380
(2) Sixu Wang; Wei Li; Chengguang Deng; Zijian Hong; Han-Bin Gao; Xiaolong Li; Yueliang Gu; Qiang Zheng; Yongjun Wu; Paul G. Evans; Jing-Feng Li; Ce-Wen Nan; Qian Li#; Giant electric field induced second harmonic generation in polar skyrmions, Nature Communications, 2024, 15: 1374
(3) Han Yu, Ning Guo, Chenguang Deng#, Haojie Han, Wei Li, Collieus Lebudi, Sixu Wang, Yuhan Li, Yongjin Chen, Shang Peng, Jinxing Zhang, Jing Ma, Qiang Zheng, Jing-Feng Li, Qian Li#. Tuning the electro-optic properties of BaTiO3 epitaxial thin films via buffer layer-controlled polarization rotation paths. Advanced Functional Materials, 2024, ja: 202315579
(4) Wei Li, Lei Liao, Chenguang Deng, Collieus Lebudi, Jingchun Liu, Sixu Wang, Di Yi, Lifen Wang, Jing-Feng Li, Qian Li#. Artificial domain patterning in ultrathin ferroelectric films via modifying the surface electrostatic boundary conditions. Nano Letters, 2024, 16, 5010
(5) Han, Haojie, Li, Wei, Tang, Shiyu, Yue, Wang, Xu, Zongqi, Chen, Hetian, Gu, Jingkun, Wang, Jing, Yi, Di, Gu, Lin, Huang, Houbing, Nan, Ce‐Wen, Li, Qian#, Ma, Jing#. Electric Field‐Manipulated Optical Chirality in Ferroelectric Vortex Domains. Advanced Materials 2024, 202408400.
(6) Wanli Zhang, Xinpeng Mou, Yunpeng Ma, Yi Zheng, Sixu Wang, Liang Shu, Ziwan Du, Chenguang Deng, Qiong Yang, Rong Yu, Jing-Feng Li, Qian Li#. Phase Coexistence Induced Giant Dielectric Tunability and Electromechanical Response in PbZrO3 Epitaxial Thin Films. Small, 2025, 202410260
(7) Haozhi Sha, Yixuan Zhang, Yunpeng Ma, Wei Li, Wenfeng Yang, JizheCui, Qian L#, Houbing Huang#, Rong Yu#. Polar vortex hidden in twisted bilayers of paraelectric SrTiO3. Nature Communications, 2024, 15, 10915.
(8) Yutong Ran, Chen Meng, Ziao Lu, Huaipeng Wang, Yunpeng Ma, Dan Xie, Qian Li#, Hongwei Zhu#. Moiré Ferroelectricity in Twisted Multilayer SnSe2. Small Structures, 2024, 2400621
(9) Ziwan Du; Yuxuan Lai; Ruirong Bai; Bolun Wang; Qiang Zheng; Chuan Xu; Teng Lu; Jun Pei; Wei Li; Yu‐Ning Wu; Kai Liu; Yun Liu; Engang Fu; Jing-Feng Li; Yigang Yang; Qian Li#; Robust Thermal Neutron Detection by LiInP2Se6 Bulk Single Crystals, Advanced Materials, 2023, ja: 2212213
(10) Wei Li; Yunpeng Ma; Tianyi Feng; Ziwan Du; Ke Wang; Sergei V. Kalinin; Jing-Feng Li; Qian Li#; Delineating complex ferroelectric domain structures via second harmonic generation spectral imaging, Journal of Materiomics, 2023, 9(2): 395-402
(11) Qian Li#; Bo Wang; Qian He; Pu Yu; Long-Qing Chen; Sergei V. Kalinin; Jing-Feng Li ; Ferroelastic Nanodomain-mediated Mechanical Switching of Ferroelectricity in Thick Epitaxial Films, Nano Letters, 2020, 21(1): 445-452
(12) Haozhi Sha; Yunpeng Ma; Guoping Cao; Jizhe Cui; Wenfeng Yang; Qian Li#; Rong Yu#; Subnanometer-scale mapping of crystal orientation and depth-dependent structure of dislocation cores in SrTiO3, Nature Communications, 2023, 14(1): 162
(13) Jinfeng Dong; Yilin Jiang; Yandong Sun; Jue Liu; Jun Pei; Wei Li; Xian Yi Tan; Lei Hu; Ning Jia; Ben Xu; Qian Li#; Jing-Feng Li#; Qingyu Yan#; Mercouri G. Kanatzidis#; Discordant Distortion in Cubic GeMnTe2 and High Thermoelectric Properties of GeMnTe2-x%SbTe, Journal of the American Chemical Society, 2023, 145(3): 1988-1996
(14) Gao Jing; Li Wei; Liu Jue; Li Qian#; Li Jingfeng#; Local Atomic Configuration in Pristine and A-Site Doped Silver Niobate Perovskite Antiferroelectrics, Research, 2022, 2022(2): 9782343
(15) Liang Shu; Xin Zhang; Wei Li; Jing Gao; Hongliang Wang; Yu Huang; Yue-Yu-Shan Cheng; Qian Li#; Lisha Liu#; Jing-Feng Li#; Phase-pure antiferroelectric AgNbO3 films on Si substrates: chemical solution deposition and phase transitions, Journal of Materials Chemistry A, 2022,10(23): 12632-12642