【研究领域】
自旋电子器件：后摩尔时代，自旋电子器件有望突破传统电荷器件的瓶颈，实现低功耗、高速的存储和运算。面向这一目标，我们致力于开发高效写入的自旋存储、逻辑以及存算一体器件。
自旋光子器件：磁性材料具有亚纳秒的超快响应速度，我们利用这一点开发具有超高速可编程特性的光子器件。
磁性材料与物理：磁性材料与物理是自旋电子学的基础，我们开展磁性材料制备表征、磁输运理论与实验、磁结构与调控、磁动力学与自旋波等方面的研究，为器件开发提供基础支撑。
【代表性论文】
1. Biao Wu, Siyuan Jiang, Di Wang, Xuefeng Zhao, Xueqiang Xiang, Ran Huo, Xiaolin Huang, Jun Xu, Shibing Long, Nan Gao*, Intrinsic Solution to the Dilemma between High-Efficiency and External-Field-Free Spin−Orbit Torque Switching Based on Biaxial Devices, Nano Letters 25, 2089 (2025).
2. Jiankang Xu, Xueqiang Xiang, Biao Wu, Siyuan Jiang, Di Wang, Xuefeng Zhao, Xinyu Qiang, Xiaolin Huang, Ran Huo, Wei Wang, Yalong Wang, Nan Gao*, Flexible Spintronic Neuromorphic Devices for Sensing Signal Processing, ACS Applied Materials & Interfaces 17, 40673 (2025).
3. Xinyu Qiang, Biao Wu, Xuefeng Zhao, Di Wang, Wei Wang, Nan Gao*, Multi-step nucleation of magnetic domains, Applied Physics Letters 127, 182403 (2025).
4. Xiaohu Hou, Chen Li, Chen Chen, Shiyu Bai, Yan liu, Zhixin Peng, Xiaolong Zhao*, Xuanze Zhou, Guangwei Xu, Nan Gao*, Shibing Long, High-Performance Ga2O3 In-Memory DUV Photodetectors by Interface Charge Reservoir Design for Multifunctional Applications, Advanced Materials 2506179 (2025).
5. Xueqiang Xiang, Jiankang Xu, Zhongfang Zhang, Siyuan Jiang, Yalong Wang, Biao Wu, Wei Wang, Xiaohu Hou, Guangwei Xu, Xiaolong Zhao, Nan Gao*, Shibing Long*, An Antiferromagnetic Neuromorphic Memory Based on Perpendicularly Magnetized CoO, Nano Letters 24, 11187 (2024).
6. Xiaolin Huang, Zitian Xu, Jiayang Liang, Biao Wu, Siyuan Jiang, Nan Gao*, Spin–orbit Torque Reconfigurable Diffraction Gratings, Applied Physics Letters 124, 132404 (2024).
7. Siyuan Jiang and Nan Gao*, Symmetry of Spin–orbit Torque Induced Meron Annihilation, Applied Physics Letters 124, 082402 (2024).
8. Xiaoqian Zhang, Yue Li, Qiangsheng Lu, Xueqiang Xiang, Xiaozhen Sun, Chunli Tang, Muntasir Mahdi, Clayton Conner, Jacob Cook, Yuzan Xiong, Jerad Inman, Wencan Jin, Chang Liu, PeiYu Cai, Elton J. G. Santos*, Charudatta Phatak, Wei Zhang, Nan Gao*, Wei Niu*, Guang Bian*, Peng Li*, Dapeng Yu, Shibing Long, Epitaxial Growth of Large-Scale 2D CrTe2 Films on Amorphous Silicon Wafers with Low Thermal Budget, Advanced Materials 36, 2311591 (2024).
9. Xiaolin Huang, Siyuan Jiang, Biao Wu, Ran Huo, Xuefeng Zhao, Guozhong Xing, Shibing Long, and Nan Gao*, Magnetically Tunable Diffractive Optical Elements Based on Ion-irradiated Ultrathin Ferromagnetic Stacks, Optics Letters 48, 2305-2308 (2023).
10. Xueqiang Xiang, Li-Heng Li, Chen Chen, Guangwei Xu*, Fangzhou Liang, Pengju Tan, Xuanze Zhou, Weibing Hao, Xiaolong Zhao, Haiding Sun, Kan-Hao Xue, Nan Gao* and Shibing Long, Unintentional Doping Effect in Si-doped MOCVD β-Ga2O3 Films: Shallow Donor States, Science China Materials 66, 748–755 (2023).
11. Siyuan Jiang, Nan Gao*, Jia Li*, Chong Bi, Shibing Long, A Unified Understanding of Planar Spiral Domain Walls in Ferromagnet/antiferromagnet/ferromagnet Trilayers, Journal of Magnetism and Magnetic Materials 552, 169194 (2022).
12. N. Gao, S. -G. Je, M. -Y. Im, J. W. Choi, M. Yang, Q. Li, T. Y. Wang, S. Lee, H. -S. Han, K. -S. Lee, W. Chao, C. Hwang, J. Li, and Z. Q. Qiu, Creation and Annihilation of Topological Meron Pairs in a Continuous Ferromagnetic Film, Nature Communications 10, 5603 (2019).
13. N. Gao, C. Ge, Q. Li, M. Yang, C. Hwang, and Z. Q. Qiu, Tuning Magnetic Anisotropy of Epitaxial Ag/Fe/Fe0.5Co0.5/MgO(001) Films, Journal of Applied Physics 124, 153904 (2018).
14. Guangwei Xu+, Nan Gao+, Congyan Lu, et. al, Bulk‐Like Electrical Properties Induced by Contact‐Limited Charge Transport in Organic Diodes: Revised Space Charge Limited Current, Advanced Electronic Materials 4, 1700493 (2018).
15. Nianduan Lu, Nan Gao, Ling Li, and Ming Liu, Temperature, electric-field, and carrier-density dependence of hopping magnetoresistivity in disordered organic semiconductors, Physical Review B 96, 165205 (2017).
16. Nan Gao, Ling Li, Nianduan Lu, Changqing Xie, Ming Liu and Heinz Bassler, A unified percolation model for bipolaron assisted organic magnetoresistance in the unipolar transport regime, Physical Review B 94, 075201 (2016).
17. Ling Li, Nan Gao, Nianduan Lu, Ming Liu, and Heinz Bassler, Spin diffusion in disordered organic semiconductors, Physical Review B 92, 214438 (2015).
18. Nan Gao and Changqing Xie, Free space self-similar beams, Optics Letters 40, 1216 (2015).
19. Nan Gao and Changqing Xie, Parabolic scaling beams, Optics Letters 39, 3619 (2014).
20. Nan Gao, Hailiang Li, Xiaoli Zhu, Yilei Hua, and Changqing Xie, Quasi-periodic gratings: diffraction orders accelerate along curves, Optics Letters 38, 2829 (2013).
21. Nan Gao and Changqing Xie, Experimental demonstration of free-space optical vortex transmutation with polygonal lenses, Optics Letters 37, 3255 (2012).
22. Nan Gao and Changqing Xie, High-order diffraction suppression using modulated groove position gratings, Optics Letters 36, 4251 (2011).
23. Nan Gao, Yuchao Zhang, and Changqing Xie, Circular Fibonacci gratings, Applied Optics 50, G142 (2011).
24. Nan Gao, Changqing Xie, Chun Li, Chunshui Jin, and Ming Liu, Square optical vortices generated by binary spiral zone plates, Applied Physics Letters 98, 151106 (2011).