241 citations · 655 across the 12 of their papers we have counts for
12 papers
Evolution of flat band and role of lattice relaxations in twisted bilayer graphene
Qian Li, Hongyun Zhang, Yijie Wang +15
Magic-angle twisted bilayer graphene (MATBG) exhibits correlated phenomena such as superconductivity and Mott insulating state related to the weakly dispersing flat band near the F…
Ionic liquid gating induced self-intercalation of transition metal chalcogenides
Fei Wang, Yang Zhang, Zhijie Wang +6
Ionic liquids provide versatile pathways for controlling the structures and properties of quantum materials. Previous studies have reported electrostatic gating of nanometre-thick…
Revealing the two-dimensional electronic structure and anisotropic superconductivity in a natural van der Waals superlattice (PbSe)NbSe
Haoyuan Zhong, Hongyun Zhang, Haoxiong Zhang +12
Van der Waals superlattices are important for tailoring the electronic structures and properties of layered materials. Here we report the superconducting properties and electronic…
Distinguishing and controlling Mottness in 1T-TaS by ultrafast light
Changhua Bao, Haoyuan Zhong, Fei Wang +5
Distinguishing and controlling the extent of Mottness is important for materials where the energy scales of the onsite Coulomb repulsion U and the bandwidth W are comparable. Here…
Spatially-resolved electronic structure of stripe domains in IrTe through electronic structure microscopy
Changhua Bao, Hongyun Zhang, Qian Li +11
Phase separation in the nanometer- to micrometer-scale is characteristic for correlated materials, for example, high temperature superconductors, colossal magnetoresistance mangani…
Experimental evidence of plasmarons and effective fine structure constant in electron-doped graphene/h-BN heterostructure
Hongyun Zhang, Shuopei Wang, Eryin Wang +13
Electron-electron interaction is fundamental in condensed matter physics and can lead to composite quasiparticles called plasmarons, which strongly renormalize the dispersion and c…
Seeded growth of high-quality transition metal dichalcogenide single crystals via chemical vapor transport
Hao Li, Junku Liu, Nan Guo +5
Transition metal dichalcogenides (TMDs) are van der Waals layered materials with sizable and tunable bandgaps, offering promising platforms for two-dimensional electronics and opto…
Enhancement of superconductivity in organic-inorganic hybrid topological materials
Haoxiong Zhang, Awabaikeli Rousuli, Shengchun Shen +10
Inducing or enhancing superconductivity in topological materials is an important route toward topological superconductivity. Reducing the thickness of transition metal dichalcogeni…
Evidence for quasi-one-dimensional charge density wave in CuTe by angle-resolved photoemission spectroscopy
Kenan Zhang, Xiaoyu Liu, Haoxiong Zhang +10
We report the electronic structure of CuTe with a high charge density wave (CDW) transition temperature Tc = 335 K by angle-resolved photoemission spectroscopy (ARPES). An anisotro…
Widely tunable band gap in a multivalley semiconductor SnSe by potassium doping
Kenan Zhang, Ke Deng, Jiaheng Li +6
SnSe, a group IV-VI monochalcogenide with layered crystal structure similar to black phosphorus, has recently attracted extensive interests due to its excellent thermoelectric prop…
Experimental evidence of type-II Dirac fermions in PtSe2
Kenan Zhang, Mingzhe Yan, Haoxiong Zhang +6
Topological semimetals have attracted extensive research interests for realizing condensed matter physics counterparts of three-dimensional Dirac and Weyl fermions, which were orig…
Raman signatures of inversion symmetry breaking and structural phase transition in type-II Weyl semimetal MoTe2
Kenan Zhang, Changhua Bao, Qiangqiang Gu +7
Transition metal dichalcogenide MoTe is an important candidate for realizing the newly predicted type-IIWeyl fermions, for which the breaking of the inversion symmetry is a pre…