Z
Zhongkai Liu
Researcher at ShanghaiTech University
Publications - 114
Citations - 15572
Zhongkai Liu is an academic researcher from ShanghaiTech University. The author has contributed to research in topics: Topological insulator & Angle-resolved photoemission spectroscopy. The author has an hindex of 35, co-authored 114 publications receiving 12622 citations. Previous affiliations of Zhongkai Liu include Chinese Academy of Sciences & SLAC National Accelerator Laboratory.
Papers
More filters
Journal ArticleDOI
Experimental realization of a three-dimensional topological insulator, Bi2Te3
Yulin Chen,James Analytis,James Analytis,Jiun-Haw Chu,Jiun-Haw Chu,Zhongkai Liu,Zhongkai Liu,Sung-Kwan Mo,Sung-Kwan Mo,Xiao-Liang Qi,Xiao-Liang Qi,Huaiying Zhang,Donghui Lu,Xi Dai,Zhong Fang,Shou-Cheng Zhang,Shou-Cheng Zhang,Ian R. Fisher,Ian R. Fisher,Zahid Hussain,Zhi-Xun Shen,Zhi-Xun Shen +21 more
TL;DR: The results establish that Bi2Te3 is a simple model system for the three-dimensional topological insulator with a single Dirac cone on the surface, and points to promising potential for high-temperature spintronics applications.
Journal ArticleDOI
Discovery of a Three-Dimensional Topological Dirac Semimetal, Na3Bi
Zhongkai Liu,Bo Zhou,Bo Zhou,Yong Zhang,Zhijun Wang,Hongming Weng,Dharmalingam Prabhakaran,Sung-Kwan Mo,Zhi-Xun Shen,Zhong Fang,Xi Dai,Zahid Hussain,Yulin Chen,Yulin Chen +13 more
TL;DR: In this article, 3D Dirac fermions with linear dispersions along all momentum directions were detected in 3D topological Dirac semimetals (TDSs) with angle-resolved photoemission spectroscopy.
Journal ArticleDOI
A stable three-dimensional topological Dirac semimetal Cd3As2
Zhongkai Liu,Juan Jiang,Bo Zhou,Zhijun Wang,Yi Zhang,Hongming Weng,Dharmalingam Prabhakaran,Sung-Kwan Mo,Han Peng,Pavel Dudin,Timur K. Kim,Moritz Hoesch,Zhong Fang,Xi Dai,Zhi-Xun Shen,Donglai Feng,Zahid Hussain,Yulin Chen +17 more
TL;DR: In this paper, it was shown that Cd3As2 is an experimental realization of a 3D Dirac semimetal that is stable at ambient conditions, using angle-resolved photoelectron spectroscopy.
Journal ArticleDOI
Direct observation of the transition from indirect to direct bandgap in atomically thin epitaxial MoSe2
Yi Zhang,Tay-Rong Chang,Bo Zhou,Yong-Tao Cui,Hao Yan,Hao Yan,Zhongkai Liu,Zhongkai Liu,F. Schmitt,F. Schmitt,James J. Lee,James J. Lee,Robert G. Moore,Robert G. Moore,Yulin Chen,Yulin Chen,Yulin Chen,Hsin Lin,Horng-Tay Jeng,Sung-Kwan Mo,Zahid Hussain,Arun Bansil,Zhi-Xun Shen,Zhi-Xun Shen +23 more
TL;DR: The first direct observation of the transition from indirect to direct bandgap in monolayer samples is reported by using angle-resolved photoemission spectroscopy on high-quality thin films of MoSe2 with variable thickness, grown by molecular beam epitaxy.
Journal ArticleDOI
Massive Dirac Fermion on the Surface of a Magnetically Doped Topological Insulator
Yulin Chen,Jiun-Haw Chu,Jiun-Haw Chu,James Analytis,James Analytis,Zhongkai Liu,Zhongkai Liu,Kyushiro Igarashi,Hsueh-Hui Kuo,Hsueh-Hui Kuo,Xiao-Liang Qi,Xiao-Liang Qi,Sung-Kwan Mo,Robert G. Moore,Donghui Lu,Makoto Hashimoto,Makoto Hashimoto,Takao Sasagawa,Shou-Cheng Zhang,Shou-Cheng Zhang,Ian R. Fisher,Ian R. Fisher,Zahid Hussain,Zhi-Xun Shen,Zhi-Xun Shen +24 more
TL;DR: In this article, the authors introduced magnetic dopants into the three-dimensional topological insulator dibismuth triselenide (Bi2Se3) to break the time reversal symmetry and further position the Fermi energy inside the gaps by simultaneous magnetic and charge doping.