231 citations · 495 across the 17 of their papers we have counts for
19 papers
Spectroscopic Evidence for Nontrivial Band Topology in Superconducting FeTe/MnTe Heterostructure
Shiwu Su, Yu Liang, Tongrui Li +14
FeTe has long been regarded as a nonsuperconducting antiferromagnetic metal with trivial band topology, but recent advances in stoichiometry control have begun to challenge this pi…
Marginal-Fermi-Liquid-like Behavior without Pseudogap in Infinite-Layer Nickelates
Yu Fan, Zhitong An, Xiang Ding +10
Pseudogap formation, strange-metal behavior and unconventional superconductivity are closely intertwined in hole-doped cuprates, yet their relationship remains unresolved. Infinite…
A Disconnected Superconducting Regime at the Parent Limit of Infinite-Layer Nickelates
Chihao Li, Yutong Chen, Yaolong Bian +11
Infinite-layer nickelates have been widely viewed as cuprate analogs in which superconductivity emerges and forms a superconducting dome centered around 10-20% cation substitution.…
Surface reconstruction and orthogonal decoupling in SrAl4 and EuAl4
Tongrui Li, Leiyuan Chen, Jian Yuan +10
Surface-induced symmetry breaking in quantum materials can stabilize exotic electronic phases distinct from those in the bulk, yet its momentum-space manifestations remain elusive…
Thermoelectricity evidence for quantum criticality in clean infinite-layer nickelate films
Xu Zhang, Chihao Li, Mingwei Yang +8
We investigate the Seebeck coefficient () in infinite-layer nickelate films with different disorder levels. The disordered NdNiO film exhibits a flat curve, whereas…
Observation of superconductivity-induced leading-edge gap in Sr-doped thin films
Wenjie Sun, Zhicheng Jiang, Bo Hao +12
The discovery of high-temperature superconductivity in pressurized bulk has ignited significant interest in nickelate superconductors…
Observation of Electride-like States Coexisting with Correlated Electrons in NdNiO
Chihao Li, Yutong Chen, Xiang Ding +13
Despite exhibiting a similar band character to cuprates, infinite-layer nickelates host additional electron pockets that distinguish them from single-band cuprates. T…
Unconventional band splitting of CeSb in the devil's staircase transition
Tongrui Li, Zhanfeng Liu, Peng Li +15
The interplay between magnetism and electronic band structure is a central theme in condensed matter physics. CeSb, with its complex devil's staircase antiferromagnetic transition,…
Revealing the electron-spin fluctuation coupling by photoemission in CaKFe4As4
Peng Li, Yuzhe Wang, Yabin Liu +8
Electron-boson coupling in unconventional superconductors is one of the key parameters in understanding the superconducting pairing symmetry. Here, we report definitive photoemissi…
Observation of Yu-Shiba-Rusinov-like states at the edge of CrBr3/NbSe2 heterostructure
Yuanji Li, Ruotong Yin, Mingzhe Li +5
The hybrid ferromagnet-superconductor heterostructures have attracted extensive attention as they potentially host topological superconductivity. Relevant experimental signatures h…
Revealing nanoscale structural phase separation in LaNiO single crystal via scanning near-field optical microscopy
Xiaoxiang Zhou, Weihong He, Kaipeng Ni +16
The discovery of superconductivity in La3Ni2O7- under high pressure,with an onset critical temperature around 80 K, has sparked significant interest in the superconducting phase…
Evidence of electron interaction with an unidentified bosonic mode in superconductor CsCaFeAsF
Peng Li, Sen Liao, Zhicheng Wang +16
The kink structure in band dispersion usually refers to a certain electron-boson interaction, which is crucial in understanding the pairing in unconventional superconductors. Here…
Interface suppressed nematicity and enhanced superconductivity of FeSe/NdFeO3 in the low doping regime
Chihao Li, Yuanhe Song, Xiaoxiao Wang +5
The discovery of interface-enhanced superconductivity in single-layer FeSe/oxides has generated intensive research interests. Beyond the family of FeSe interfaced with various TiO$…
Inferior interfacial superconductivity in 1 UC FeSe/SrVO/SrTiO with screened interfacial electron-phonon coupling
Nan Guo, Xiaoyang Chen, Tianlun Yu +10
Monolayer FeSe/TiO and FeSe/FeO interfaces exhibit significant superconductivity enhancement compared to bulk FeSe, with interfacial electron-phonon coupling (EPC) playing…
Large band-splitting in -wave type altermagnet CrSb
Jianyang Ding, Zhicheng Jiang, Xiuhua Chen +19
Altermagnetism (AM), a newly discovered magnetic state, ingeniously integrates the properties of ferromagnetism and antiferromagnetism, representing a significant breakthrough in t…
Cuprate-like Electronic Structures in Infinite-Layer Nickelates with Substantial Hole Dopings
X. Ding, Y. Fan, X. X. Wang +13
The superconducting infinite-layer (IL) nickelates offer a new platform for investigating the long-standing problem of high-temperature superconductivity. Many models were proposed…
Electronic and magnetic excitations in LaNiO
Xiaoyang Chen, Jaewon Choi, Zhicheng Jiang +13
The striking discovery of high-temperature superconductivity (HTSC) of 80 K in a bilayer nickelate LaNiO under a moderately high pressure of about 14 GPa ignited a new…
Drastic electronic structure reconstruction of CaPrFeAs in the collapsed tetragonal phase
D. F. Xu, D. W. Shen, J. Jiang +8
We report the electronic structure reconstruction of CaPrFeAs ( = 0.1 and 0.15) in the low temperature collapsed tetragonal (CT) phase observed by angle-reso…
Direct observation of the bandwidth control Mott transition in the NiSSe multiband system
H. C. Xu, Y. Zhang, M. Xu +6
The bulk electronic structure of NiSSe is studied across the bandwidth-control Mott transition (BCMT) by soft X-ray angle-resolved photoemission spectroscopy. The micro…