常凯
常凯

研究员
量子物态研究部
Office 545
Email: changkai@baqis.ac.cn

研究团队: 低维量子材料研究团队





常凯研究员,2009年于山东大学物理与微电子学院获物理学学士学位,2015年于清华大学物理系获物理学博士学位,在德国马克斯·普朗克微结构物理研究所开展博士后研究工作至2019年底,随后加入北京量子信息科学研究院,任量子物态科学研究部低维量子材料团队负责人。常凯研究员致力于二维铁电铁磁材料、拓扑材料、非常规超导材料等低维量子材料的分子束外延生长(MBE)和扫描隧道显微学(STM)研究,其团队正在搭建超低温MBE-STM实验室和光学二次谐波表征实验室,团队目前的研究工作集中于二维铁性材料异质结与超晶格对拓扑电子态的调控效应。

 

代表性工作列表(相应作者用*表示):

1.  S. Barraza-Lopez*, B. M. Fregoso, J. W. Villanova, S. S. P. Parkin, K. Chang*. Colloquium: Physical properties of group-IV monochalcogenide monolayers. Appearing in Rev. Mod. Phys. Preprint: ArXiv:2009.04341 

2. K. Chang*, F. Küster, B. J. Miller, J.-R. Ji, J.-L. Zhang, P. Sessi, S. Barraza-Lopez, and S. S. P. Parkin*. Microscopic manipulation of ferroelectric domain walls in SnSe monolayers at room temperature. Nano Lett. (2020). doi:10.1021/acs.nanolett.0c02357 

3. S.-Y. Yang, K. Chang*, and S. S. P. Parkin*. Large planar Hall effect in bismuth thin films. Phys. Rev. Research 2, 022029(R) (2020). doi:10.1103/PhysRevResearch.2.022029

4. K. Chang, B. J. Miller, H. Yang, H. Lin, S. S. P. Parkin, S. Barraza-Lopez, Q.-K. Xue, X. Chen, and S.-H. Ji. Standing waves induced by valley-mismatched domains in ferroelectric SnTe monolayers. Phys. Rev. Lett. 122, 206402 (2019). doi:10.1103/PhysRevLett.122.206402

5. K. Chang and S. S. P. Parkin. The growth and phase distribution of ultrathin SnTe on graphene. APL Materials 7, 041102 (2019). doi:10.1063/1.509154 

6. K. Chang, T. P. Kaloni, H. Lin, A. Bedoya-Pinto, A. K. Pandeya, I. Kostanovskiy, K. Zhao, Y. Zhong, X. Hu, Q.-K. Xue, X. Chen, S.-H. Ji, S. Barraza-Lopez, and S. S. P. Parkin. Enhanced Spontaneous Polarization in Ultrathin SnTe Films with Layered Antipolar Structure. Advanced Materials 31, 1804428 (2019). doi:10.1002/adma.201804428 

7. K. Chang, J. Liu, H. Lin, N. Wang, K. Zhao, A. Zhang, F. Jin, Y. Zhong, X. Hu, W. Duan, Q. Zhang, L. Fu, Q.-K. Xue, X. Chen, and S.-H. Ji. Discovery of robust in-plane ferroelectricity in the atomic-thick SnTe. Science 353, 274 (2016). doi:10.1126/science.aad8609

8. K. Chang, P. Deng, T. Zhang, H.-C. Lin, K. Zhao, S.-H. Ji, L.-L. Wang, K. He, X.-C. Ma, X. Chen, and Q.-K. Xue. Molecular beam epitaxy growth of superconducting LiFeAs film on SrTiO3(001) substrate. EPL 109, 28003 (2015). doi:10.1209/0295-5075/109/28003 

9. J. Liu, K. Chang, S.-H. Ji, X. Chen, and L. Fu. Apparatus and methods for memory using in-plane polarization. US patent, No.: US 9,959,920 B2. Date of patent: May 1, 2018.