125 citations · 675 across the 16 of their papers we have counts for
16 papers
Eight-unit-cell electronic modulations in cuprates originating from local molecular orbitals
Zhiheng Yao, Sixuan Chen, Jianfa Zhao +10
The pair density wave (PDW) state with eight-unit-cell (8a0) periodicity has been widely regarded as the primary order in cuprates, yet its existence and origin remain subjects of…
Visualizing the Zhang-Rice singlet, molecular orbitals and pair formation in cuprate
Shusen Ye, Jianfa Zhao, Zhiheng Yao +7
The parent compound of cuprates is a charge-transfer-type Mott insulator with strong hybridization between the Cu and O orbitals. A key question concern…
Emergent normal fluid in the superconducting ground state of overdoped cuprates
Shusen Ye, Miao Xu, Hongtao Yan +7
The microscopic mechanism for the disappearance of superconductivity in overdoped cuprates is still under heated debate. Here we use scanning tunneling spectroscopy to investigate…
Particle-hole asymmetric superconducting coherence peaks in overdoped cuprates
Changwei Zou, Zhenqi Hao, Xiangyu Luo +9
To elucidate the superconductor to metal transition at the end of superconducting dome, the overdoped regime has stepped onto the center stage of cuprate research recently. Here, w…
Evolution of Charge and Pair Density Modulations in Overdoped Bi2Sr2CuO6+delta
Xintong Li, Changwei Zou, Ying Ding +7
One of the central issues concerning the mechanism of high temperature superconductivity in cuprates is the nature of the ubiquitous charge order and its implications to supercondu…
Anomalous doping evolution of superconductivity and quasiparticle interference in Bi2Sr2Ca2Cu3O10+δ trilayer cuprates
Zhenqi Hao, Changwei Zou, Xiangyu Luo +6
We use scanning tunneling microscopy to investigate Bi2Sr2Ca2Cu3O10+δ trilayer cuprates from the optimally doped to overdoped regime. We find that the two distinct superconducting…
Machine Learning Identification of Impurities in the STM Images
Ce Wang, Haiwei Li, Zhenqi Hao +6
In this work we train a neural network to identify impurities in the experimental images obtained by the scanning tunneling microscope measurements. The neural network is first tra…
Electronic states and magnetic response of MnBi2Te4 by scanning tunneling microscopy and spectroscopy
Yonghao Yuan, Xintong Wang, Hao Li +10
Exotic quantum phenomena have been demonstrated in recently discovered intrinsic magnetic topological insulator MnBi2Te4. At its two-dimensional limit, quantum anomalous Hall (QAH)…
Atomic scale electronic structure of the ferromagnetic semiconductor Cr2Ge2Te6
Zhenqi Hao, Haiwei Li, Shunhong Zhang +6
Cr2Ge2Te6 is an intrinsic ferromagnetic semiconductor with van der Waals type layered structure, thus represents a promising material for novel electronic and spintronic devices. H…
Effect of structural supermodulation on superconductivity in tri-layer cuprate Bi2Sr2Ca2Cu3O10+x
Changwei Zou, Zhenqi Hao, Haiwei Li +5
We investigate the spatial and doping evolutions of the superconducting properties of tri-layer cuprate Bi2Sr2Ca2Cu3O10+x by using scanning tunneling microscopy and spectroscopy. B…
Quasiparticle interference and charge order in a heavily overdoped non-superconducting cuprate
Xintong Li, Ying Ding, Chaocheng He +8
One of the key issues in unraveling the mystery of high Tc superconductivity in the cuprates is to understand the normal state outside the superconducting dome. Here we perform sca…
Visualizing the periodic modulation of Cooper pairing in a severely underdoped cuprate
Wei Ruan, Xintong Li, Cheng Hu +6
A major obstacle in understanding the mechanism of Cooper pairing in the cuprates is the existence of various intertwined orders associated with spin, charge, and Cooper pairs. Of…
Quantitative Measurements of Nanoscale Permittivity and Conductivity Using Tuning-fork-based Microwave Impedance Microscopy
Xiaoyu Wu, Zhenqi Hao, Di Wu +5
We report quantitative measurements of nanoscale permittivity and conductivity using tuning-fork (TF) based microwave impedance microscopy (MIM). The system is operated under the d…
Relationship between the parent charge transfer gap and maximum transition temperature in cuprates
Wei Ruan, Cheng Hu, Jianfa Zhao +10
One of the biggest puzzles concerning the cuprate high temperature superconductors is what determines the maximum transition temperature (Tc,max), which varies from less than 30 K…
Orbital-driven Mottness collapse in 1T-TaS2-xSex transition metal dichalcogenide
Shuang Qiao, Xintong Li, Naizhou Wang +9
The vicinity of a Mott insulating phase has constantly been a fertile ground for finding exotic quantum states, most notably the high Tc cuprates and colossal magnetoresistance man…
Visualizing the evolution from the Mott insulator to a charge ordered insulator in lightly doped cuprates
Peng Cai, Wei Ruan, Yingying Peng +6
A central question in the high temperature cuprate superconductors is the fate of the parent Mott insulator upon charge doping. Here we use scanning tunneling microscopy to investi…