344 citations · 1.9k across the 43 of their papers we have counts for
43 papers
On the origin of topotactic reduction effect for superconductivity in infinite-layer nickelates
Shengwei Zeng, Chi Sin Tang, Zhaoyang Luo +15
Topotactic reduction utilizing metal hydrides as reagents emerges as an effective approach to achieve exceptionally low oxidization states of metal ions and unconventional coordina…
Small polarons mediated near-room-temperature metal-insulator transition in vanadium dioxide and their hopping dynamics
Xiongfang Liu, Tong Yang, Shanquan Chen +18
Researchers pursuing advanced photoelectric devices have discovered near room-temperature metal-insulator transitions (MIT) in non-volatile VO2. Despite theoretical investigations…
Competition of electronic correlation and reconstruction in La1-xSrxTiO3/SrTiO3 heterostructures
Xueyan Wang, Lin Sun, Chen Ye +10
Electronic correlation and reconstruction are two important factors that play a critical role in shaping the magnetic and electronic properties of correlated low-dimensional system…
Coexistence of surface oxygen vacancy and interface conducting states in LaAlO3/SrTiO3 revealed by low-angle resonant soft X-ray scattering
Ming Yang, Ariando Ariando, Caozheng Diao +13
Oxide heterostructures have shown rich physics phenomena, particularly in the conjunction of exotic insulator-metal transition (IMT) at the interface between polar insulator LaAlO3…
Self-passivated freestanding superconducting oxide film for flexible electronics
Zhuoyue Jia, Chi Sin Tang, Jing Wu +12
The integration of high-temperature superconducting YBa2Cu3O6+x (YBCO) into flexible electronic devices has the potential to revolutionize the technology industry. The effective pr…
Tunable Magnetic Properties in SrFeReO Double-Perovskite
Z. T. Zhang, H. Yan, Z. Huang +8
Double-perovskite oxides have attracted recent attention due to their attractive functionalities and application potential. In this paper, we demonstrate the effect of dual control…
Spin State Disproportionation in Insulating Ferromagnetic LaCoO3 Epitaxial Thin Films
Shanquan Chen, Jhong-Yi Chang, Qinghua Zhang +14
The origin of insulating ferromagnetism in epitaxial LaCoO3 films under tensile strain remains elusive despite extensive research efforts have been devoted. Surprisingly, the spin…
Dimensionality control and rotational symmetry breaking superconductivity in square-planar layered nickelates
Lin Er Chow, Km Rubi, King Yau Yip +11
The interplay between dimensionality and various phases of matter is a central inquiry in condensed matter physics. New phases are often discovered through spontaneously broken sym…
Two-Dimensional Charge Localization at the Perovskite Oxide Interface
Chi Sin Tang, Shengwei Zeng, Caozheng Diao +7
The effects of atomic-scale disorder and charge (de)localization holds significant importance,and they provide essential insights in unravelling the role that strong and weak corre…
Direct observation of two-dimensional small polarons at correlated oxide interface
Chi Sin Tang, Shengwei Zeng, Jing Wu +14
Two-dimensional (2D) perovskite oxide interfaces are ideal systems where diverse emergent properties can be uncovered.The formation and modification of polaronic properties due to…
Ionic modulation at the LaAlO/KTaO interface for extreme high-mobility two-dimensional electron gas
H. Yan, S. W. Zeng, K. Rubi +5
Due to the coexistence of many emergent phenomena, including 2D superconductivity and a large Rashba spin-orbit coupling, 5d transition metal oxides based two-dimensional electron…
Pauli-limit violation in lanthanide infinite-layer nickelate superconductors
L. E. Chow, K. Y. Yip, M. Pierre +15
Superconductivity can be destroyed by a magnetic field with an upper bound known as the Pauli-limit in spin-singlet superconductors. Almost all the discovered superconductors are s…
Optical Properties of Superconducting Nd0.8Sr0.2NiO2 Nickelate
Rebecca Cervasio, Luca Tomarchio, Marine Verseils +6
The intensive search for alternative non-cuprate high-transition-temperature () superconductors has taken a positive turn recently with the discovery of superconductivity in i…
Pairing symmetry in infinite-layer nickelate superconductor
L. E. Chow, S. Kunniniyil Sudheesh, Z. Y. Luo +11
The superconducting infinite-layer nickelate family has risen as a promising platform for revealing the mechanism of high-temperature superconductivity. However, its challenging ma…
Experimental Evidence of t2g Electron-Gas Rashba Interaction Induced by Asymmetric Orbital Hybridization
Ganesh Ji Omar, Weilong Kong, Hariom Jani +11
We report the control of Rashba spin-orbit interaction by tuning asymmetric hybridization between Ti-orbitals at the LaAlO3/SrTiO3 interface. This asymmetric orbital hybridization…
Superconductivity in infinite-layer nickelate LaCaNiO thin films
S. W. Zeng, C. J. Li, L. E. Chow +8
We report the observation of superconductivity in infinite-layer Ca-doped LaNiO (LaCaNiO) thin films and construct their phase diagram. Unlike the metal-insulat…
Observation of perfect diamagnetism and interfacial effect on the electronic structures in Nd0.8Sr0.2NiO2 superconducting infinite layers
S. W. Zeng, X. M. Yin, C. J. Li +13
Nickel-based complex oxides have served as a playground for decades in the quest for a copper-oxide analog of the high-temperature superconductivity. They may provide clues towards…
Electronic subbands in the a-LaAlO/KTaO interface revealed by quantum oscillations in high magnetic fields
Km Rubi, Shengwei Zeng, Femke Bangma +4
Investigating Shubnikov-de Haas (SdH) oscillations in high magnetic fields, we experimentally infer the electronic band structure of the quasi-two-dimensional electron gas (2DEG) a…
Room-temperature colossal magnetoresistance in terraced single-layer graphene
J. X. Hu, J. Gou, M. Yang +9
Disorder-induced magnetoresistance (MR) effect is quadratic at low perpendicular magnetic fields and linear at high fields. This effect is technologically appealing, especially in…
Artificial two-dimensional polar metal by charge transfer to a ferroelectric insulator
W. X. Zhou, H. J. Wu, J. Zhou +20
Integrating multiple properties in a single system is crucial for the continuous developments in electronic devices. However, some physical properties are mutually exclusive in nat…
Topological Hall Effect and Skyrmion-like Bubbles at a Charge-transfer Interface
Zhi Shiuh Lim, Changjian Li, Zhen Huang +9
Exploring exotic interface magnetism due to charge transfer and strong spin-orbit coupling has profound application in future development of spintronic memory. Here, the emergence,…
Phase diagram and superconducting dome of infinite-layer thin films
Shengwei Zeng, Chi Sin Tang, Xinmao Yin +14
Infinite-layer Nd1-xSrxNiO2 thin films with Sr doping level x from 0.08 to 0.3 were synthesized and investigated. We found a superconducting dome to be between 0.12 and 0.235 which…
Characteristic Lengths of Interlayer Charge-Transfer in Correlated Oxide Heterostructures
Ganesh Ji Omar, Mengsha Li, Xiao Chi +12
Using interlayer interaction to control functional heterostructures with atomic-scale designs has become one of the most effective interface-engineering strategies nowadays. Here,…
Aperiodic quantum oscillations in the two-dimensional electron gas at the LaAlO3/SrTiO3 interface
Km Rubi, Julien Gosteau, Raphaël Serra +9
Despite several attempts, the intimate electronic structure of two-dimensional electron systems buried at the interface between LaAlO3 and SrTiO3 still remains to be experimentally…