298 citations · 564 across the 21 of their papers we have counts for
21 papers
Chemical and optical control of chiral-domain dynamics in 1T-TaS
Qingzheng Qiu, Mengxian Zhao, Roman Mankowsky +14
Optical control of symmetry-breaking quantum phases is often constrained when one domain is strongly favored in equilibrium. This limitation is exemplified by the chiral charge-den…
Mixed spin states for robust ferromagnetism in strained SrCoO thin films
Xiquan Zheng, Nicholas B. Brookes, Flora Yakhou-Harris +11
Epitaxial strain in transition-metal oxides can induce dramatic changes in electronic and magnetic properties. A recent study on the epitaxially strained SrCoO thin films revea…
Ultrafast Orbital-Selective Photodoping Melts Charge Order in Overdoped Bi-based Cuprates
Xinyi Jiang, Qizhi Li, Qingzheng Qiu +10
High-temperature superconductivity in cuprates remains one of the enduring puzzles of condensed matter physics, with charge order (CO) playing a central yet elusive role, particula…
Dominant apical-oxygen electron-phonon coupling in HgBaCaCuO
Wenshan Hong, Qizhi Li, Shilong Zhang +14
How electron-phonon interactions influence high-temperature superconductivity in cuprates remains contested, and their role outside the CuO planes has been largely overlooked.…
Using magnetic dynamics to measure the spin gap in a candidate Kitaev material
Xinyi Jiang, Qingzheng Qiu, Cheng Peng +16
Materials potentially hosting Kitaev spin-liquid states are considered crucial for realizing topological quantum computing. However, the intricate nature of spin interactions withi…
Observation of giant circular dichroism induced by electronic chirality
Qian Xiao, Oleg Janson, Sonia Francoual +8
Chiral phases of matter, characterized by a definite handedness, abound in nature, ranging from the crystal structure of quartz to spiraling spin states in helical magnets. In …
Exploration of magnetoelastic deformations in spin-chain compound CuBr
Biaoyan Hu, Yingying Peng, Xiaoqiang Liu +7
We investigate a spin- antiferromagnet, CuBr, which has quasi-one-dimensional structural motifs. The system has previously been observed to exhibit unusual Raman m…
Charge redistribution, charge order and plasmon in LaSrCuO/LaCuO superlattices
Qizhi Li, Lele Ju, Hsiaoyu Huang +11
Interfacial superconductors have the potential to revolutionize electronics, quantum computing, and fundamental physics due to their enhanced superconducting properties and ability…
Evolution of charge density waves from three-dimensional to quasi-two-dimensional in Kagome superconductors Cs(V)Sb ( = Nb, Ta)
Qian Xiao, Qizhi Li, Jinjin Liu +7
The Kagome material ( = K, Rb, Cs) with geometry frustration hosts non-trivial topological electronic structures, electronic nematicity, charge…
Absence of localized electrons in KTaO interface superconductors
Xinqiang Cai, Jungho Kim, Leonardo Martinelli +19
Recently, an exciting discovery of orientation-dependent superconductivity was made in two-dimensional electron gas (2DEG) at the interfaces of LaAlO/KTaO (LAO/KTO) or EuO/…
Evolution of orbital excitations from insulating to superconducting MgTiO films
Qizhi Li, Abhishek Nag, Xiquan Zheng +6
Spinel oxides are well-known functional materials but rarely show superconductivity. Recently, emergent superconductivity was discovered in MgTiO, which is attributed to th…
Signature of quantum criticality in cuprates by charge density fluctuations
R. Arpaia, L. Martinelli, M. Moretti Sala +17
The universality of the strange metal phase in many quantum materials is often attributed to the presence of a quantum critical point (QCP), a zero-temperature phase transition rul…
Prevailing charge order in overdoped cuprates beyond the superconducting dome
Qizhi Li, Hsiao-Yu Huang, Tianshuang Ren +14
The extremely overdoped cuprates are generally considered to be Fermi liquid metals without exotic orders, whereas the underdoped cuprates harbor intertwined states. Contrary to th…
Coexistence of Multiple Stacking Charge Density Waves in Kagome Superconductor
Qian Xiao, Yihao Lin, Qizhi Li +9
The recently discovered Kagome family (A = K, Rb, Cs) exhibits rich physical phenomena, including non-trivial topological electronic structure, gia…
Doping-dependence of the electron-phonon coupling in two families of bilayer superconducting cuprates
Yingying Peng, Leonardo Martinelli, Qizhi Li +21
While electron-phonon coupling (EPC) is crucial for Cooper pairing in conventional superconductors, its role in high- superconducting cuprates is debated. Using resonant inela…
Incommensurate magnetic orders and topological Hall effect in the square-net centrosymmetric EuGaAl system
Jaime M. Moya, Shiming Lei, Eleanor M. Clements +16
Neutron diffraction on the centrosymmetric square-net magnet EuGaAl reveals multiple incommensurate magnetic states (AFM1,2,3) in zero field. In applied field, a new magnet…
Dispersionless orbital excitations in (Li,Fe)OHFeSe superconductors
Qian Xiao, Wenliang Zhang, Teguh Citra Asmara +9
The superconducting critical temperature of intercalated iron-selenide superconductor (Li,Fe)OHFeSe (FeSe11111) can be increased to 42 K from 8 K of bulk FeSe. It…
Anomalous Charge Density Wave State Evolution and Dome-like Superconductivity in CuIr2Te4-xSex Chalcogenides
Mebrouka Boubeche, Ningning Wang, Jianping Sun +8
We report the anomalous charge density wave (CDW) state evolution and dome-like superconductivity (SC) in CuIr2Te4-xSex series. Room temperature powder X ray-diffraction (PXRD) res…
Observation of orbital order in the Van der Waals material 1T-TiSe2
Yingying Peng, Xuefei Guo, Qian Xiao +11
Besides magnetic and charge order, regular arrangements of orbital occupation constitute a fundamental order parameter of condensed matter physics. Even though orbital order is dif…
Electron-phonon coupling and superconductivity in LiBC
Qi-Zhi Li, Xun-Wang Yan, Miao Gao +1
By means of the first-principles density-functional theory calculation and Wannier interpolation, electron-phonon coupling and superconductivity are systematically explored for bor…
Prediction of phonon-mediated superconductivity in borophene
Miao Gao, Qi-Zhi Li, Xun-Wang Yan +1
Superconductivity in two-dimensional compounds is widely concerned, not only due to its application in constructing nano-superconducting devices, but also for the general scientifi…