143 citations · 457 across the 22 of their papers we have counts for
22 papers
Enhancement of metallicity by Na doping in LaNiO
Yingying Gao, Wei Zhou, W. H. Guo +6
The observation of high- superconductivity in bilayer nickelate LaNiO under high pressure provides a new venue for exploring novel unconventional superconductors a…
Multigap nodeless superconductivity in Dirac semimetal PdTe
Fengrui Shi, Weilong Qiu, Chufan Chen +12
PdTe has recently been reported to be a type-II Dirac semimetal while a bulk nodal and surface nodeless superconductivity (SC) has been claimed to coexist. In this work, we applied…
In-Plane Magnetic Anisotropy and Large topological Hall Effect in Self-Intercalated Ferromagnet Cr1.61Te2
Yalei Huang, Na Zuo, Zheyi Zhang +10
Self-intercalated chromium tellurides Cr1+xTe2 have garnered growing attention due to their high-temperature ferromagnetism, tunable spin structures and air stability, all of which…
Pressure-driven superconductivity in the topological insulator GeBi4Te7
Yalei Huang, Na Zuo, Zheyi Zhang +8
The van der Waals, pseudo-binary chalcogenides (ACh)m(Pn2Ch3)n (A = Ge, Mn, Pb, etc.; Pn = Sb or Bi; Ch = Te, Se) have recently been reported to host a vast landscape of topologica…
Pressure-tuned superconductivity in the Dirac semimetal PdTe
Xiangming Kong, Zhaolong Liu, Xiangqi Liu +9
We report an unusual evolution of superconductivity (SC) in the three-dimensional Dirac semimetal PdTe with increasing pressure up to 50 GPa. The compressed PdTe exhibits a s…
Multigap nodeless superconductivity in the topological semimetal PdTe
Chengcheng Zhao, Xiangqi Liu, Jinjin Wang +19
Recently PdTe was identified as a spin-orbit coupled topological Dirac semimetal and was claimed to exhibit both bulk-nodal and surface-nodeless superconducting gaps. Here we repor…
ZrOsSi: A topological metal with a superconducting ground state
S. K. Ghosh, B. Li, C. Xu +4
The silicide superconductors (Ta, Nb, Zr)OsSi are among the best candidate materials for investigating the interplay of topological order and superconductivity. Here, we investigat…
Thermal Hall effect in a van der Waals triangular magnet FeCl2
Chunqiang Xu, Caitlin Carnahan, Heda Zhang +4
Thermal transport is a pivotal probe for studying low-energy, charge-neutral quasi-particles in insulating magnets. In this Letter, we report an observation of large magneto-therma…
de Haas-van Alphen effect and the first-principles study of the possible topological stannide CuSn
Chengxu Liu, Bin Li, Yongheng Ge +13
The quest for quantum materials with diverse symmetry-protected topological states has been the focus of recent research interest, primarily due to their fascinating physical prope…
Exchange-biased topological transverse thermoelectric effects in a Kagome ferrimagnet
Heda Zhang, Jahyun Koo, Chunqiang Xu +3
Kagome metal TbMn6Sn6 was recently discovered to be a ferrimagnetic topological Dirac material by scanning tunneling microscopy/spectroscopy measurements. Here, we report the obser…
Time-Reversal Symmetry Breaking Superconductivity in Three-Dimensional Dirac Semimetallic Silicides
Sudeep K. Ghosh, P. K. Biswas, Chunqiang Xu +4
Superconductors with broken time-reversal symmetry represent arguably one of the most promising venues for realizing highly sought-after topological superconductivity that is vital…
Exploring Native Atomic Defects in NiTe2
Wen-Xiao Wang, Kaihui Li, Xiaoshan Dong +9
Nickel ditelluride (NiTe2), a new discovered type-II Dirac semimetal whose Dirac node lies close to its Fermi level, is expected to exhibit exotic phenomena including Lifshitz tran…
Coexistence of Ferroelectric-like Polarization and Dirac-like Surface State in TaNiTe5
Yunlong Li, Zhao Ran, Chaozhi Huang +20
By combining angle-resolved photoemission spectroscopy (ARPES), scanning tunneling microscopy (STM), piezoresponse force microscopy (PFM) and first-principles calculations, we have…
Anisotropic transport and de Haasvan Alphen oscillations in quasi-one-dimensional TaPtTe
Wen-He Jiao, Shaozhu Xiao, Bin Li +11
Because of the unique physical properties and potential applications, the exploration of quantum materials with diverse symmetry-protected topological states has attracted consider…
Pressure Engineering of the Dirac Fermions in Quasi-One-Dimensional TlMoSe
Ziwan Song, Bin Li, Chunqiang Xu +6
Topological band dispersions other than the standard Dirac or Weyl fermions have garnered the increasing interest in materials science. Among them, the cubic Dirac fermions were re…
Anisotropic transport and quantum oscillations in the quasi-one-dimensional TaNiTe5: Evidence for the nontrivial band topology
C. Q. Xu, Y. Liu, P. G. Cai +16
The past decade has witnessed the burgeoning discovery of a variety of topological states of matter with distinct nontrivial band topologies. Thus far, most of materials studied po…
Odd-even layer-number effect and layer-dependent magnetic phase diagrams in MnBi2Te4
Shiqi Yang, Xiaolong Xu, Yaozheng Zhu +8
The intrinsic magnetic layered topological insulator MnBi2Te4 with nontrivial topological properties and magnetic order has become a promising system for exploring exotic quantum p…
Topological Dirac states in a layered telluride TaPdTe with quasi-one-dimensional PdTe chains
Wen-He Jiao, Xiao-Meng Xie, Yi Liu +11
We report the synthesis and systematic studies of a new layered ternary telluride TaPdTe5 with quasi-one-dimensional PdTe2 chains. This compound crystalizes in a layered orthorhomb…
Pressure-induced superconductivity in topological type II Dirac semimetal NiTe2
Tao Li, Ke Wang, Chunqiang Xu +10
Very recently, NiTe2 has been reported to be a type II Dirac semimetal with Dirac nodes near the Fermi surface. Furthermore, it is unveiled that NiTe2 presents the Hall Effect, whi…
Fermi-crossing Type-II Dirac fermions and topological surface states in NiTe2
Saumya Mukherjee, Sung Won Jung, Sophie F. Weber +9
Transition-metal dichalcogenides (TMDs) offer an ideal platform to experimentally realize Dirac fermions. However, typically these exotic quasiparticles are located far away from t…
Nonsaturating magnetoresistance and nontrivial band topology of type-II Weyl semimetal NbIrTe4
W. Zhou, B. Li, C. Q. Xu +6
Weyl semimetals, characterized by nodal points in the bulk and Fermi arc states on the surface, have recently attracted extensive attention due to the potential application on low…
Topological Type-II Dirac Fermions Approaching the Fermi Level in a Transition Metal Dichalcogenide NiTe2
Chunqiang Xu, Bin Li, Wenhe Jiao +8
Type-II Dirac/Weyl semimetals are characterized by strongly tilted Dirac cones such that the Dirac/Weyl node emerges at the boundary of electron and hole pockets as a new state of…