225 citations · 1.3k across the 25 of their papers we have counts for
25 papers
Spectroscopic evidence of disorder-induced quantum phase transitions in monolayer Fe(Te,Se) superconductor
Guanyang He, Ziqiao Wang, Longxin Pan +5
The superconductor-insulator transition as a paradigm of quantum phase transitions has attracted tremendous interest over the past three decades. While the magnetic field and carri…
Time-reversal symmetry breaking superconductivity with electronic glass in nickelate (La, Pr, Sm)3Ni2O7 films
Haoran Ji, Zheyuan Xie, Yaqi Chen +11
The discovery of Ruddlesden-Popper (R-P) nickelate superconductors under high pressure heralds a new chapter of high-transition temperature (high-Tc) superconductivity. Recently, a…
Exceedingly large in-plane critical field of finite-momentum pairing state in bulk superlattices
Junfa Lin, Ziqiao Wang, Hongyi Yan +15
Magnetic flux profoundly influences the phase factor of charge particles, leading to exotic quantum phenomena. A recent example is that the orbital effect of magnetic field could i…
High-temperature field-free superconducting diode effect in high-Tc cuprates
Shichao Qi, Jun Ge, Chengcheng Ji +7
The superconducting diode effect (SDE) is defined by the difference in the magnitude of critical currents applied in opposite directions. It has been observed in various supercondu…
Orbital-FFLO State and Josephson Vortex Lattice Melting in Layered Ising Superconductors
Hongyi Yan, Haiwen Liu, Yi Liu +2
This study explores the impact of in-plane magnetic fields on the superconducting state in layered Ising superconductors, resulting in the emergence of the orbital Fulde-Ferrell-La…
Quantum phase transitions in two-dimensional superconductors: a review on recent experimental progress
Ziqiao Wang, Yi Liu, Chengcheng Ji +1
Superconductor-insulator/metal transition (SIT/SMT) as a paradigm of quantum phase transition has been a research highlight over the last three decades. Benefit from recent develop…
Quantum Griffiths singularity in a three-dimensional superconductor to Anderson critical insulator transition
Shichao Qi, Yi Liu, Ziqiao Wang +11
Disorder is ubiquitous in real materials and can have dramatic effects on quantum phase transitions. Originating from the disorder enhanced quantum fluctuation, quantum Griffiths s…
The activated scaling behavior of quantum Griffiths singularity in two-dimensional superconductors
Zihan Cui, Longxin Pan, Jingchao Fang +5
Quantum Griffiths singularity is characterized by the divergence of the dynamical critical exponent with the activated scaling law and has been widely observed in various two-dimen…
Rotational symmetry breaking in superconducting nickelate Nd0.8Sr0.2NiO2 films
Haoran Ji, Yanan Li, Yi Liu +7
The infinite-layer nickelates, isostructural to the high-Tc superconductor cuprates, have risen as a promising platform to host unconventional superconductivity and stimulated grow…
High-Temperature Anomalous Metal States in Iron-Based Interface Superconductors
Yanan Li, Haiwen Liu, Haoran Ji +14
The nature of the anomalous metal state has been a major puzzle in condensed matter physics for more than three decades. Here, we report systematic investigation and modulation of…
A strange metal in a bosonic system
Chao Yang, Haiwen Liu, Yi Liu +10
Fermi liquid theory forms the basis for our understanding of the majority of metals, which is manifested in the description of transport properties that the electrical resistivity…
The observation of in-plane quantum Griffiths singularity in two-dimensional crystalline superconductors
Yi Liu, Shichao Qi, Jingchao Fang +11
Quantum Griffiths singularity (QGS) reveals the profound influence of quenched disorder on the quantum phase transitions, characterized by the divergence of the dynamical critical…
Extrinsic and Intrinsic Anomalous Metallic States in Transition Metal Dichalcogenide Ising Superconductors
Ying Xing, Pu Yang, Jun Ge +14
The metallic ground state in two-dimensional (2D) superconductors has attracted much attention but is still under intense scrutiny. Especially, the measurements in ultralow tempera…
Anomalous linear magnetoresistance in high quality crystalline lead thin films
Yi Liu, Yue Tang, Ziqiao Wang +3
Intriguing novel phenomena in lead films inspire new understanding of quantum physics, such as quantum size effect and quantum phase transitions etc. The improvement of the sample…
Atomic line defects and zero-energy end states in monolayer Fe(Te,Se) high-temperature superconductors
Cheng Chen, Kun Jiang, Yi Zhang +4
Majorana zero-energy bound states (ZEBSs) have been proposed to exist at the ends of one-dimensional Rashba nanowires proximity-coupled to an s-wave superconductor in an external m…
Type-II Ising superconductivity and anomalous metallic state in macro-size ambient-stable ultrathin crystalline films
Yi Liu, Yong Xu, Jian Sun +13
Recent emergence of two-dimensional (2D) crystalline superconductors has provided a promising platform to investigate novel quantum physics and potential applications. To reveal es…
Quantum coherence across bosonic superconductor-anomalous metal-insulator transitions
Chao Yang, Yi Liu, Yang Wang +15
After decades of explorations, suffering from low critical temperature and subtle nature, whether a metallic ground state exists in a two-dimensional system beyond Anderson localiz…
Anomalous quantum Griffiths singularity in ultrathin crystalline lead films
Yi Liu, Ziqiao Wang, Pujia Shan +9
We study the magnetic field induced superconductor-metal transition (SMT) in ultrathin crystalline Pb films. By performing ultralow temperature transport measurement, the divergent…
Zero-energy bound states in the high-temperature superconductors at the two-dimensional limit
Chaofei Liu, Cheng Chen, Xiaoqiang Liu +6
Majorana zero modes (MZMs) that obey the non-Abelian statistics have been intensively investigated for potential applications in topological quantum computing. The prevailing signa…
Interface induced Zeeman-protected superconductivity in ultrathin crystalline lead films
Yi Liu, Ziqiao Wang, Xuefeng Zhang +12
Two dimensional (2D) superconducting systems are of great importance to exploring exotic quantum physics. Recent development of fabrication techniques stimulates the studies of hig…
Detection of bosonic mode as a signature of magnetic excitation in one unit cell FeSe on SrTiO3
Chaofei Liu, Ziqiao Wang, Shusen Ye +5
We report an in situ scanning tunneling spectroscopy study of one-unit-cell (1-UC) FeSe film on SrTiO3(001) (STO) substrate. In quasiparticle density of states, bosonic excitation…
Ising Superconductivity and Quantum Phase Transition in Macro-Size Monolayer NbSe2
Ying Xing, Kun Zhao, Pujia Shan +13
Two-dimensional (2D) transition metal dichalcogenides (TMDs) have a range of unique physics properties and could be used in the development of electronics, photonics, spintronics a…
High-temperature superconductivity in one-unit-cell FeSe films
Ziqiao Wang, Chaofei Liu, Yi Liu +1
Since the dramatic interface enhancement of superconducting transition temperature (Tc) was reported in one unit-cell FeSe film grown on SrTiO3 substrate (1-UC FeSe/STO) by molecul…
Anisotropic Magnetotransport and Exotic Longitudinal Linear Magnetoresistance in WTe2 Crystals
Yanfei Zhao, Haiwen Liu, Jiaqiang Yan +11
WTe2 semimetal, as a typical layered transition-metal dichalcogenide, has recently attracted much attention due to the extremely large, non-saturating parabolic magnetoresistance i…