activity
20182022
most citedObservation of Interface Superconductivity in a SnSe2-Epitaxial Graphene van der Waals Heterostructure

46 citations · 223 across the 12 of their papers we have counts for

collaborators

12 papers

cond-mat.supr-con2022★ 7 cited

Percolative Superconductivity in Electron-Doped SrEuCuO Films

Xue-Qing Yu, Hang Yan, Li-Xuan Wei +7

Electron-doped infinite-layer SrEuCuO films over a wide doping range have been prepared epitaxially on SrTiO(001) using reactive molecular beam epitaxy. I…

cond-mat.supr-con2022★ 25 cited

Direct observation of nodeless superconductivity and phonon modes in electron-doped copper oxide SrNdCuO

Jia-Qi Fan, Xue-Qing Yu, Fang-Jun Cheng +8

The microscopic understanding of high-temperature superconductivity in cuprates has been hindered by the apparent complexity of crystal structures in these materials. We used scann…

cond-mat.mtrl-sci2021★ 14 cited

Charge density waves and Fermi level pinning in monolayer and bilayer SnSe

Shu-Ze Wang, Yi-Min Zhang, Jia-Qi Fan +4

Materials with reduced dimensionality often exhibit exceptional properties that are different from their bulk counterparts. Here we report the emergence of a commensurate 2 $\times…

cond-mat.mtrl-sci2021★ 30 cited

Semiconductor-metal phase transition and emergent charge density waves in 1T-ZrX (X = Se, Te) at the two-dimensional limit

Ming-Qiang Ren, Sha Han, Jia-Qi Fan +7

Charge density wave (CDW) is a collective quantum phenomenon in metals and features a wave-like modulation of the conduction electron density. A microscopic understanding and exper…

cond-mat.supr-con2020★ 7 cited

Electronic inhomogeneity and band structure on superstructural CuO2 planes of infinite-layer Sr0.94La0.06CuO2+y films

Rui-Feng Wang, Jiaqi Guan, Yan-Ling Xiong +6

Scanning tunneling microscopy and spectroscopy are utilized to study the atomic-scale structure and electronic properties of infinite-layer Sr0.94La0.06CuO2+y films prepared on SrR…

cond-mat.supr-con2020★ 8 cited

Molecular beam epitaxy growth and surface structure of Sr1-xNdxCuO2 cuprate films

Jia-Qi Fan, Shu-Ze Wang, Xue-Qing Yu +5

We report on the epitaxial growth and surface structure of infinite-layer cuprate Sr1-xNdxCuO2 films on SrTiO3(001) substrates by combining ozone-assisted molecular beam epitaxy an…

cond-mat.supr-con2020★ 11 cited

Stoichiometry and defect superstructures in epitaxial FeSe films on SrTiO3

Xue-Qing Yu, Ming-Qiang Ren, Yi-Min Zhang +5

Cryogenic scanning tunneling microscopy is employed to investigate the stoichiometry and defects of epitaxial FeSe thin films on SrTiO3(001) substrates under various post-growth an…

cond-mat.supr-con2019★ 34 cited

Coexistence of full-gap superconductivity and pseudogap in two-dimensional fullerides

Ming-Qiang Ren, Sha Han, Shu-Ze Wang +4

Alkali-fulleride superconductors with a maximum critical temperature Tc of 40 K exhibit similar electronic phase diagram with unconventional high-Tc superconductors where the super…

cond-mat.supr-con2019★ 8 cited

Insulating Parent Phase and Distinct Doping Evolution to Superconductivity in Single-Layer FeSe/SrTiO3 Films

Yong Hu, Yu Xu, Yi-Min Zhang +19

The single-layer FeSe/SrTiO3 (FeSe/STO) films have attracted much attention because of their simple crystal structure, distinct electronic structure and record high superconducting…

cond-mat.supr-con2019★ 29 cited

Direct visualization of ambipolar Mott transition in cuprate CuO2 planes

Yong Zhong, Jia-Qi Fan, Ruifeng Wang +11

Identifying the essence of doped Mott insulators is one of the major outstanding problems in condensed matter physics and the key to understanding the high-temperature superconduct…

cond-mat.supr-con2018★ 4 cited

Surface symmetry breaking and disorder effects on superconductivity in perovskite BaBi3 epitaxial films

Wen-Lin Wang, Yi-Min Zhang, Nan-Nan Luo +11

The structural or electronic symmetry breaking of the host lattice is a recurrent phenomenon in many quantum materials, including superconductors. Yet, how these broken symmetry st…

cond-mat.supr-con2018★ 46 cited

Observation of Interface Superconductivity in a SnSe2-Epitaxial Graphene van der Waals Heterostructure

Yi-Min Zhang, Jia-Qi Fan, Wen-Lin Wang +7

We report on the direct observation of interface superconductivity in single-unit-cell SnSe2 films grown on graphitized SiC(0001) substrate by means of van der Waals epitaxy. Tunne…