225 citations · 815 across the 23 of their papers we have counts for
23 papers
Ultrafast formation of topological defects in a 2D charge density wave
Yun Cheng, Alfred Zong, Lijun Wu +13
Topological defects play a key role in nonequilibrium phase transitions, ranging from birth of the early universe to quantum critical behavior of ultracold atoms. In solids, transi…
Strongly-overdoped LaSrCuO: Evidence for Josephson-coupled grains of strongly-correlated superconductor
Yangmu Li, A. Sapkota, P. M. Lozano +20
The interpretation of how superconductivity disappears in cuprates at large hole doping has been controversial. To address this issue, we present an experimental study of single-cr…
Verwey transition as evolution from electronic nematicity to trimerons via electron-phonon coupling
Wei Wang, Jun Li, Zhixiu Liang +13
Understanding the driving mechanisms behind metal-insulator transitions (MITs) is a critical step towards controlling material's properties. Since the proposal of charge-order-indu…
Signature of Many-Body Localization of Phonons in Strongly Disordered Superlattices
Thanh Nguyen, Nina Andrejevic, Hoi Chun Po +17
Many-body localization (MBL) has attracted significant attention due to its immunity to thermalization, role in logarithmic entanglement entropy growth, and opportunities to reach…
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…
Direct imaging of electron transfer and its influence on superconducting pairing at FeSe/SrTiO3 interface
Weiwei Zhao, Mingda Li, Cui-Zu Chang +6
The exact mechanism responsible for the tenfold enhancement of superconducting transition temperature (Tc) in a monolayer iron selenide (FeSe) on SrTiO3(STO) substrate over that of…
Interlayer electronic transport in CaMnBi antiferromagnet
Aifeng Wang, D. Graf, Lijun Wu +4
We report interlayer electronic transport in CaMnBi single crystals. Quantum oscillations and angular magnetoresistance suggest coherent electronic conduction and valley pola…
Critical current density and vortex pinning in tetragonal FeSSe ()
Aifeng Wang, Lijun Wu, V. N. Ivanovski +4
We report critical current density () in tetragonal FeS single crystals, similar to iron based superconductors with much higher superconducting critical temperatures ('…
Parallel Stitching of Two-Dimensional Materials
Xi Ling, Yuxuan Lin, Qiong Ma +16
Diverse parallel stitched two-dimensional heterostructures are synthesized, including metal-semiconductor (graphene-MoS2), semiconductor-semiconductor (WS2-MoS2), and insulator-sem…
Shear-Exfoliated Phosphorene for Rechargeable Nanoscale Battery
Feng Xu, Binghui Ge, Jing Chen +13
Discovery of atomically thin black phosphorus (called phosphorene) holds promise to be used as an alternative two-dimensional material to graphene and transition metal dichalcogeni…
Low-Dimensional Conduction Mechanisms in Highly Conductive and Transparent Conjugated Polymers
Asli Ugur, Ferhat Katmis, Mingda Li +4
Electronic conduction in conjugated polymers is of emerging technological interest for high-performance optoelectronic and thermoelectric devices. A completely new aspect and under…
Proximity Driven Enhanced Magnetic Order at Ferromagnetic Insulator / Magnetic Topological Insulator Interface
Mingda Li, Cui-Zu Chang, Brian. J. Kirby +7
Magnetic exchange driven proximity effect at a magnetic insulator / topological insulator (MI/TI) interface provides a rich playground for novel phenomena as well as a way to reali…
Experimental Verification of Van Vleck Nature of Long-Range Ferromagnetic Order in Vanadium-Doped Three-Dimensional Topological Insulator SbTe
Mingda Li, Cui-Zu Chang, Lijun Wu +6
We demonstrate by high resolution low temperature electron energy loss spectroscopy (EELS) measurements that the long range ferromagnetic (FM) order in vanadium (V)-doped topologic…
Evolution Process of Wurtzite ZnO Films on Cubic MgO (001) Substrates: a Structural, Optical and Electronic Investigation of the Misfit Structures
Hua Zhou, Hui-Qiong Wang, Yaping Li +8
The interface between hexagonal ZnO films and cubic MgO (001) substrates, fabricated through molecular beam epitaxy, are thoroughly investigated. X-ray diffraction and (scanning) t…
Tunable THz Surface Plasmon Polariton based on Topological Insulator-Layered Superconductor Hybrid Structure
Mingda Li, Zuyang Dai, Wenping Cui +6
We theoretically investigate the surface plasmon polariton (SPP) at the interface between 3D strong topological insulator (TI) and layered superconductor-magnetic insulator structu…
Enhanced spin-orbit interaction and Kondo scattering in -doped LaTiO/SrTiO interfaces
Shubhankar Das, A. Rastogi, Lijun Wu +4
We present a study of delta () doping at LaTiO/SrTiO (LTO/STO) interface with iso-structural antiferromagnetic perovskite LaCrO (LCO) that dramatically alters the pr…
Strong Coupling of the Iron-Quadrupole and Anion-Dipole Polarizations in Ba(FeCo)As
Chao Ma, Lijun Wu, Wei-Guo Yin +6
We use a quantitative convergent beam electron diffraction (CBED) based method to image the valence electron density distribution in Ba(FeCo)As. We show a remar…
Calibration and data collection protocols for reliable lattice parameter values in electron pair distribution function (ePDF) studies
A. M. Milinda Abeykoon, Hefei Hu, Lijun Wu +2
We explore and describe different protocols for calibrating electron pair distribution function (ePDF) measurements for quantitative studies on nano-materials. We find the most acc…
Topological Effect of Surface Plasmon Excitation in Gapped Isotropic Topological Insulator Nanowires
Mingda Li, Wenping Cui, Lijun Wu +5
We present a theoretical investigation of the surface plasmon (SP) at the interface between topologically non-trivial cylindrical core and topological-trivial surrounding material,…
Two-dimensional electron-gas-like charge transport at magnetic Heusler alloy-SrTiO interface
P. K. Rout, Himanshu Pandey, Lijun Wu +5
We report remarkably low residual resistivity, giant residual resistivity ratio, free-electron-like Hall resistivity and high mobility ( 10 cmVs) cha…
Polarization manipulation holographic lithography by single refracting prism
Yi Xu, Man Wu, Xiuming Lan +3
We propose a simple but effective strategy for polarization manipulation holographic lithography by single refractive prism. By tuning the polarization of single laser beam, we sim…
Nanostructures and Defects in Non-equilibrium Synthesized Filled Skutterudite CeFe4Sb12
Juan Zhou, Qing Jie, Lijun Wu +3
We studied nanoprecipitates and defects in p-type filled skutterudite CeFe4Sb12 prepared by non-equilibrium melt-spinning plus spark plasma sintering method using transmission elec…
Atomic Imaging Using Secondary Electrons in a Scanning Transmission Electron Microscope : Experimental Observations and Possible Mechanisms
H. Inada, D. Su, R. F. Egerton +5
We report our detailed investigation of high-resolution imaging using secondary electrons (SE) with a subnanometer probe in an aberration-corrected transmission electron microscope…