简介:

主要研究方向:
1)薄膜与异质结的分子束外延生长；

2)界面超导
过去的主要工作及获得的成果:
1)利用分子束外延技术制备大面积原子级平整的Pb单晶薄膜，FeSe单晶薄膜以及EuTiO3单晶薄膜；

2)发现单原子层FeSe/STO薄膜具有高温超导电性。

代表性论文及专利:
1) Qing-Yan Wang, Zhi Li, Wen-Hao Zhang, Zuo-Cheng Zhang, Jin-Song Zhang, Wei Li, Hao Ding, Yun-Bo Ou, Peng Deng, Kai Chang, Jing Wen, Can-Li Song, Ke He, Jin-Feng Jia, Shuai-Hua Ji, Yayu Wang, Lili Wang, Xi Chen, Xucun Ma and Qi-Kun Xue, Interface induced high temperature superconductivity in single unit-cell FeSe films on SrTiO₃. Chin. Phys. Lett. 29, 037402 (2012).

2) Qingyan Wang, Wenhao Zhang, Lili Wang, Ke He, Xucun Ma and Qikun Xue, Large-scale uniform bilayer graphene prepared by vacuum graphitization of 6H-SiC(0001) substrates. J. Phys.: Condens. Matter 25, 095002 (2013).

3) Qingyan Wang, Wenhao Zhang, Zuocheng Zhang, Yi Sun, Ying Xing, Yayu Wang, Lili Wang, Xucun Ma, Qi-Kun Xue and JianWang, Thickness dependence of superconductivity and superconductor–insulator transition in ultrathin FeSe films on SrTiO₃(001) substrate. 2D Mater. 2, 044012 (2015).

4) Qingyan Wang, Wenhao Zhang, Weiwei Chen, Ying Xing, Yi Sun, Ziqiao Wang, Jia-Wei Mei, Zhengfei Wang, Lili Wang, Xu-Cun Ma, Feng Liu, Qi-Kun Xue and Jian Wang, Spin fluctuation induced linear magnetoresisitance in ultrathin superconducting FeSe films. 2D Mater. 4, 034004 (2017).

5) Weiwei Zhao, Qingyan Wang, Minhao Liu, Wenhao Zhang, Yilin Wang, Mu Chen, Yang Guo, Ke He, Xi Chen, Yayu Wang, Jian Wang, Xincheng Xie, Qian Niu, Lili Wang, Xucun Ma, Jainendra K. Jain, M.H.W. Chan, Qi-Kun Xue, Evidence for Berezinskii–Kosterlitz–Thouless transition in atomically flat two-dimensional Pb superconducting films. Solid State Communications 165, 59-63 (2013).

6) Defa Liu, Wenhao Zhang, Daixiang Mou, Junfeng He, Yun-Bo Ou, Qing-Yan Wang, Zhi Li, Lili Wang, Lin Zhao, Shaolong He, Yingying Peng, Xu Liu, Chaoyu Chen, Li Yu, Guodong Liu, Xiaoli Dong, Jun Zhang, Chuangtian Chen, Zuyan Xu, Jiangping Hu, Xi Chen, Xucun Ma, Qikun Xue & X.J. Zhou, Electronic origin of high-temperature superconductivity in single-layer FeSe superconductor. Nat. Commun. 3: 931 (2012)

7) Shaolong He, Junfeng He, Wenhao Zhang, Lin Zhao, Defa Liu, Xu Liu, Daixiang Mou, Yun-Bo Ou, Qing-Yan Wang, Zhi Li, Lili Wang, Yingying Peng, Yan Liu, Chaoyu Chen, Li Yu, Guodong Liu, Xiaoli Dong, Jun Zhang, Chuangtian Chen, Zuyan Xu, Xi Chen, Xucun Ma, Qikun Xue and X. J. Zhou, Phase diagram and electronic indication of high-temperature superconductivity at 65 K in single-layer FeSe films. Nature Mater. 12, 605-610 (2013)

8) Wen-Hao Zhang, Yi Sun, Jin-Song Zhang, Fang-Sen Li, Ming-Hua Guo, Yan-Fei Zhao, Hui-Min Zhang, Jun-Ping Peng, Ying Xing, Hui-Chao Wang, Takeshi Fujita, Akihiko Hirata, Zhi Li, Hao Ding, Chen-Jia Tang, Meng Wang, Qing-Yan Wang, Ke He, Shuai-Hua Ji, Xi Chen, Jun-Feng Wang, Zheng-Cai Xia, Liang Li, Ya-Yu Wang, Jian Wang, Li-Li Wang, Ming-Wei Chen, Qi-Kun Xue and Xu-Cun Ma, Direct observation of high-temperature superconductivity in one-unit-cell FeSe films. Chin. Phys. Lett. 31, 017401 (2014)

9) Wenhao Zhang, Zhi Li, Huimin Zhang, Junping Peng, Chenjia Tang, Qingyan Wang, Ke He, Xi Chen, Lili Wang, Xucun Ma and Qi-Kun Xue, Interface charge doping effects on superconductivity of single-unit-cell FeSe films on SrTiO3 substrates. Phys. Rev. B 89, 060506 (R) (2014)

10) Yi Liu, Ziqiao Wang, Xuefeng Zhang, Chaofei Liu, Yongjie Liu, Zhimou Zhou, Junfeng Wang, Qingyan Wang, Yanzhao Liu, Chuanying Xi, Mingliang Tian, Haiwen Liu, Ji Feng, X. C. Xie, and Jian Wang, Interface-Induced Zeeman-Protected Superconductivity in Ultrathin Crystalline Lead Films. Phys. Rev. X 8, 021002 (2018).

11)Kei S. Takahashi,Hiroaki Ishizuka,Tomoki Murata, Qing Y. Wang,Yoshinori Tokura,Naoto Nagaosa and Masashi Kawasaki,Anomalous Hall effect derived from multiple Weyl nodes in high-mobility EuTiO3 films. Sci. Adv. 4, eaar7880(2018).

 

 

目前的研究课题及展望:

 

进一步提高FeSe/STO的超导转变温度并探索其超导机理。

培养研究生情况:无

其他联系方式:无

 

电话：办公室电话 010-82648173

Email:qingyanwang@iphy.ac.cn