344 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- National University of SingaporeSG36 papers
- Institute of Materials Research and EngineeringSG6 papers
- Nanyang Technological UniversitySG6 papers
- Agency for Science, Technology and ResearchSG5 papers
- Center for Free-Electron Laser ScienceDE4 papers
- Shanghai UniversityCN4 papers
- Southern University of Science and TechnologyCN4 papers
- Universität HamburgDE4 papers
- Deutsches Elektronen-Synchrotron DESYDE3 papers
- Universitas Gadjah MadaID3 papers
- Advanced Photon Source2 papers
- Anhui UniversityCN2 papers
36 papers
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…
Antiferromagnetism in Ni-Based Superconductors
Xiaorong Zhou, Xiaowei Zhang, Jiabao Yi +16
Due to the lack of any magnetic order down to 1.7 K in the parent bulk compound NdNiO2, the recently discovered 9-15 K superconductivity in the infinite-layer Nd0.8Sr0.2NiO2 thin f…
Angular dependence of hump-shape Hall Effects for distinguishing between Karplus-Luttinger and Geometrical Origins
Z. S. Lim, L. E. Chow, K. H. Khoo +7
Among the vast magnetic heterostructures explored in Condensed Matter Physics, two contrasting interpretations of the hump-shaped Hall Effects remain ambiguous and debated, namely,…
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…
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,…
Tunable and Enhanced Rashba Spin-Orbit Coupling in Iridate-Manganite Heterostructures
T. S. Suraj, Ganesh Ji Omar, Hariom Jani +8
Tailoring spin-orbit interactions and Coulomb repulsion are the key features to observe exotic physical phenomena such as magnetic anisotropy and topological spin texture at oxide…
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,…
Electronic correlation determining correlated plasmons in Sb-doped BiSe
P. K. Das, T. J. Whitcher, M. Yang +15
Electronic correlation is believed to play an important role in exotic phenomena such as insulator-metal transition, colossal magneto resistance and high temperature superconductiv…
Oxygen Electromigration and Energy Band Reconstruction Induced by Electrolyte Field Effect at Oxide Interfaces
S. W. Zeng, X. M. Yin, T. S. Herng +13
Electrolyte gating is a powerful means for tuning the carrier density and exploring the resultant modulation of novel properties on solid surfaces. However, the mechanism, especial…
Thickness-dependent self-polarization-induced intrinsic magnetoelectric effects in La0.67Sr0.33MnO3/PbZr0.52Ti0.48O3 heterostructures
Xiaoqian Yu, Lijun Wu, Bangmin Zhang +9
The self-polarization of PbZr0.52Ti0.48O3 thin film is switched by changing film thickness through the competition between the strain relaxation-induced flexoelectric fields and th…
Large polaron evolution in anatase TiO2 due to carrier and temperature dependence of electron-phonon coupling
B. X. Yan, D. Y. Wan, X. Chi +12
The electronic and magneto transport properties of reduced anatase TiO2 epitaxial thin films are analyzed considering various polaronic effects. Unexpectedly, with increasing carri…
Control of magnetic anisotropy by orbital hybridization in (La0.67Sr0.33MnO3)n/(SrTiO3)n superlattice
Bangmin Zhang, Lijun Wu, Jincheng Zheng +10
The asymmetry of chemical nature at the hetero-structural interface offers an unique opportunity to design desirable electronic structure by controlling charge transfer and orbital…
A study of small impact parameter ion channeling effects in thin crystals
M. Motapothula, M. B. H. Breese
We have recorded channeling patterns produced by 1 to 2 MeV protons aligned with <111> axes in 55 nm thick silicon crystals which exhibit characteristic angular structure for defle…
Generation of multiple plasmons in strontium niobates mediated by local field effects
Tao Zhu, Paolo E. Trevisanutto, Teguh Citra Asmara +3
Recently, an anomalous generation of multiple plasmons with large spectral weight transfer in the visible to ultraviolet range (energies below the band gap) has been experimentally…
Unravelling local spin polarization of Zhang-Rice singlet in lightly hole-doped cuprates using high-energy optical conductivity
Iman Santoso, Wei Ku, Tomonori Shirakawa +11
Unrevealing local magnetic and electronic correlations in the vicinity of charge carriers is crucial in order to understand rich physical properties in correlated electron systems.…
The Nature of Electron Transport and visible light absorption in Strontium Niobate -- A Plasmonic Water Splitter
Dongyang Wan, Yongliang Zhao, Yao Cai +16
Semiconductor compounds are widely used for water splitting applications, where photo-generated electron-hole pairs are exploited to induce catalysis. Recently, powders of a metall…
Emerging giant resonant exciton induced by Ta-substitution in anatase TiO: a tunable correlation effect
Z. Yong, P. E. Trevisanutto, L. Chiodo +11
Titanium dioxide (TiO) has rich physical properties with potential implications in both fundamental physics and new applications. Up-to-date, the main focus of applied research…
Ab initio electronic structure of quasi two-dimensional materials: a "native" gaussian--plane wave approach
Paolo E. Trevisanutto, Giovanni Vignale
Ab initio electronic structure calculations of two-dimensional layered structures are typically performed using codes that were developed for three-dimensional structures, which ar…
Controlling Kondo-like Scattering at the SrTiO3-based Interfaces
K. Han, N. Palina, S. W. Zeng +11
The observation of magnetic interaction at the interface between nonmagnetic oxides has attracted much attention in recent years. In this report, we show that the Kondo-like scatte…
Temperature-dependent dielectric function of bulk SrTiO: Urbach tail, band edges, and excitonic effects
Pranjal Kumar Gogoi, Daniel Schmidt
We report the temperature-dependent complex dielectric function of pristine bulk SrTiO between 4.2 and 300 K within the energy range of 0.6-6.5 eV determined by spectroscopic e…
Hedin equations in resonant micro-cavities
P. E. Trevisanutto, M. Milletarì
With the improvement of the experimental techniques, many new phenomena where the photon degrees of freedom are involved have been discovered. Typical examples are the exciton-pola…
Anisotropic optical properties of rhombohedral and tetragonal thin film BiFeO phases
Daniel Schmidt, Lu You, Xiao Chi +2
The anisotropic optical properties of multiferroic BiFeO thin films have been determined with Mueller matrix ellipsometry at room-temperature. The full dielectric tensors of te…