A5091542506- Multiferroics and related materials
- Ferroelectric and Piezoelectric Materials
- Electronic and Structural Properties of Oxides
- Mobile Ad Hoc Networks
- Semiconductor materials and devices
- Opportunistic and Delay-Tolerant Networks
- Acoustic Wave Resonator Technologies
- Magnetic and transport properties of perovskites and related materials
- Caching and Content Delivery
- Vehicular Ad Hoc Networks (VANETs)
- Physics of Superconductivity and Magnetism
- Iron-based superconductors research
- Topological Materials and Phenomena
- Corporate Taxation and Avoidance
- 2D Materials and Applications
- Advanced Condensed Matter Physics
- Innovative Approaches in Technology and Social Development
- advanced mathematical theories
- Iron oxide chemistry and applications
- Perovskite Materials and Applications
- Information Systems Theories and Implementation
- Knowledge Management and Sharing
- Intellectual Capital and Performance Analysis
- Gold and Silver Nanoparticles Synthesis and Applications
- Dielectric materials and actuators
Hunan University
2025
Nanjing University of Aeronautics and Astronautics
2025
Southeast University
2009-2024
Harvard University
2024
Shanxi Datong University
2023
Collaborative Innovation Center of Advanced Microstructures
2013-2022
Nanjing University
2013-2022
University of Michigan
2009-2022
Pennsylvania State University
2006-2021
Xi'an Jiaotong University
2020
The strength of electronic correlations dictates the transport properties oxide interfaces.
In a semimetal, both electrons and holes contribute to the density of states at Fermi level. The small band overlaps multiband effects engender novel electronic properties. We show that moderate hydrostatic pressure effectively suppresses gap in elemental semiconductor black phosphorus. An topological transition takes place approximately 1.2 GPa, above which phosphorus evolves into semimetal state is characterized by colossal positive magnetoresistance nonlinear field dependence Hall...
Vehicular ad hoc networks (VANETs) have recently received considerable attention. To support VANET-based applications, it is important to disseminate data from an information source (data center) many vehicles on the road. Although disseminating a server large number of clients has been studied in database community and network community, unique characteristics VANET bring out new research challenges. In this paper, we propose pouring (DP) buffering paradigm address dissemination problem...
We show that despite the low anisotropy, strong vortex pinning, and high irreversibility field Hirr close to upper critical Hc2 of Ba(Fe1−xCox)2As2, current density Jgb across [001] tilt grain boundaries (GBs) thin film Ba(Fe1−xCox)2As2 bicrystals is strongly depressed, similar high-Tc cuprates. Our results suggest weak-linked GBs are characteristic both cuprates pnictides because competing orders, carrier density, unconventional pairing symmetry.
As vehicular networks become popular, more and people want to access data from their vehicles. When many vehicles through a roadside unit, scheduling becomes an important issue. In this paper, we identify some challenges in vehicle-roadside access. move pretty fast, the requests should be served quickly. Also, may upload hence download compete for same bandwidth. To address these challenges, propose several schemes. We first basic scheme called D*S consider both service deadline size. then...
By using theoretical predictions based on first-principle calculations, we explore an interface engineering approach to stabilize polarization states in ferroelectric heterostructures with a thickness of just several nanometers. Detailed facts importance specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or typeset. They made available submitted by the authors. Please note: The publisher is responsible for content functionality any...
The exact knowledge of helical carbon nanotube (HCNT) growth mechanism has not yet been completely clarified, and effective synthesis high-purity nanotubes in high yield still remains a tremendous challenge. In this study, HCNTs were synthesized via catalytic chemical vapor deposition method using Fe nanoparticles as catalysts. We performed systematic experiments to investigate the specific effect particle size (CPS) on selective HCNTs, such morphology, yield, mobility atoms, HCNT purity...
The high mobility of vehicles and the unreliable wireless communication significantly degrade performance data access in vehicular ad hoc networks (VANETs). To address this problem, we propose a novel vehicle-platoon-aware solution called V-PADA. In V-PADA, contribute part their buffers to replicate for others same platoon share with them. When vehicle leaves platoon, it prefetches interested transfers its buffered other advance so that they can still after leaves. achieve goal, V-PADA...
Abstract Ferroelectric topological objects provide a fertile ground for exploring emerging physical properties that could potentially be utilized in future nanoelectronic devices. Here, we demonstrate quasi-one-dimensional metallic high conduction channels associated with the cores of quadrant vortex domain and center (monopole-like) states confined quality BiFeO 3 nanoislands, abbreviated as core core. We unveil via phase-field simulation superfine along arise from screening charge carriers...
Recently, some researchers have performed extensive experiments to study the feasibility and performance of vehicle drive-thru access roadside points (APs). The demonstrate that duration connectivity AP is limited. A has an area high signal strength near AP, but experiences poor link quality when entering or exiting coverage area. Since a spends large portion connection time in this area, data throughput can be significantly reduced. This problem been identified several works, viable...
Content sharing through vehicle-to-vehicle communication can help people find their interested content on the road. In VANETs, due to limited contact duration time and unreliable wireless connection, a vehicle only get useful data when it meets which has exactly matching data. However, probability of such cases is very low. To improve performance in intermittently connected we propose novel P2P scheme called Roadcast. Roadcast relaxes user's query requirement little bit so that each user...
Different from existing mobility-assisted data access techniques, we propose to use diffusion reduce the query delay in DTNs. We social network analysis classify and study four schemes based on homophily phenomenon network. Theoretical models are further developed analyze process compare performance of proposed terms speed delay.
A series of Fe3O4 particle chains with an average diameter 150 nm and different lengths were synthesized by using the self-assembly method at reduced temperature in synthesizing magnetic fields. The influence field on properties magnetite was studied structural analyses, magnetometry measurement, ferromagnetic resonance. uniaxial anisotropy saturation (Hs), hysteresis loop, resonance observed to increase increasing field. magnetization g-factor found slightly demagnetizing fields factors...
We report the field and angular dependences of Jc truly epitaxial Co-doped BaFe2As2 thin films grown on SrTiO3/(La,Sr)(Al,Ta)O3 with different SrTiO3 template thicknesses. The show comparable to single crystals a maximum pinning force Fp(0.6Tc)>5 GN/m3 at H/Hirr∼0.5 indicative strong high-field vortex pinning. Due correlated c-axis pinning, for along exceeds H∥ab plane, inverting expectation Hc2 anisotropy. High resolution transmission electron microscopy reveals that is due high...
Content sharing through vehicle-to-vehicle communication can help people find their interested content on the road. In VANETs, due to limited contact duration and unreliable wireless connection, a vehicle get useful data only when it meets another encountered has exactly matched data. However, probability of such case is very low. To improve performance in intermittently connected we propose novel P2P scheme called Roadcast. Roadcast ensures popular more likely be shared with other vehicles...
The inkjet printing process of liquid optically clear adhesive film often leads to the phenomenon end protrusions, which cause bubbles during subsequent bonding and encapsulation processes or localized Mura defects. To gain a deeper understanding mechanism behind formation protrusions retracts, we derived dynamic model for in film. This research also simulated coalescence multiple droplets into line, including protrusion formation, using volume fluid method. simulation results were compared...
The emergence of structure and function at the mesoscale is critical for design complex molecular materials. In this work, we report an iterative liquid‐phase construction precision conjugated oligomers with alternating di‐ tetra‐arylsubstituted alkene (DAA TAA) building blocks. Due to dynamically reversible isomerization TAA blocks in backbone, system exhibited a library constitutional stereoisomers configurational metastability, as characterized by HRMS, chiral HPLC 2D excitation‐emission...
Electrostatic dielectric capacitors with ultrahigh power densities are sought after for advanced electronic and electrical systems owing to their ultrafast charge-discharge capability. However, low energy density resulting from breakdown strength suppressed polarization still remains a daunting challenge practical applications. We propose microstructural strategy dendritic nanopolar (DNP) regions self-assembled into an insulator, which simultaneously enhances high-field polarizability...
Electrostatic dielectric capacitors are critical components in advanced electronic and electrical systems owing to their high-power density ultrafast charge-discharge capability. However, achieving ultrahigh energy storage performance combined with robust radiation resistance remains a major challenge, particularly for practical applications extreme environments. Guided by simulations, self-assembled nanocomposite films dendritic-like structured ferroelectric embedded an insulator designed...
For broad nanoscale applications, it is crucial to implement more functional properties, especially ferroic orders, into two-dimensional materials. Here, ${\mathrm{GdI}}_{3}$ theoretically identified as a honeycomb antiferromagnet with large $4f$ magnetic moment. The intercalation of metal atoms can dope electrons Gd's $5d$ orbitals, which alters its state and leads Peierls transition. Due strong electron-phonon coupling, the transition induces prominent ferroelasticity, making multiferroic...