A5026762392- Graphene research and applications
- 2D Materials and Applications
- Quantum and electron transport phenomena
- Molecular Junctions and Nanostructures
- Perovskite Materials and Applications
- Semiconductor materials and devices
- Topological Materials and Phenomena
- Electronic and Structural Properties of Oxides
- Ferroelectric and Piezoelectric Materials
- ZnO doping and properties
- Advanced biosensing and bioanalysis techniques
- Multiferroics and related materials
- Ga2O3 and related materials
- Conducting polymers and applications
- Heusler alloys: electronic and magnetic properties
- Advanced Condensed Matter Physics
- Advancements in Solid Oxide Fuel Cells
- Advancements in Battery Materials
- Advanced battery technologies research
- Electrochemical Analysis and Applications
- Chalcogenide Semiconductor Thin Films
- MXene and MAX Phase Materials
- GaN-based semiconductor devices and materials
- Rare-earth and actinide compounds
- Magnetic and transport properties of perovskites and related materials
Beijing Institute of Technology
2025
Changshu Institute of Technology
2013-2024
Nanjing University
2022
Nanjing Medical University
2012-2016
Sun Yat-sen University
2012-2013
Hunan University
2013
National Tsing Hua University
1987
Abstract Optical filters are key components to achieve spatial or temporal modulators for constructing computational miniaturized spectrometers. Conducting polymer‐based electrochemically tunable with spatiotemporal spectral tunability reported, demonstrating the advantages of angle‐independence, diverse modulation, high repeatability, and flexibility. By controlling chemical doping polyaniline solutions films, modulation is achieved in wavelength range 350–1100 nm. To encoding, an filter...
Semimetals with extremely large magnetoresistance have attracted significant interest because of their possible nontrivial electronic structures, unusual transport properties, and also deep connections to high-energy physics.
Half-metallicity rising from the s/p electrons has been one of hot topics in spintronics. Based on first-principles calculation, we explore magnetic properties B-doped graphitic heptazine carbon nitride (gh-C3N4) system. Ferromagnetism is observed gh-C3N4 Interestingly, its ground state phase (BC1@gh-C3N4) presents a strong half-metal property. Furthermore, half-metallicity BC1@gh-C3N4 can sustain up to 5% compressive strain and 1.5% tensile strain. It will lose half-metallicity, however,...
We propose the perfect all-carbon axisymmetric spintronic devices consisting of a zigzag-edged trigonal graphene (ZTG) linked to left and right nanoribbons (ZGNR) electrodes via carbon atomic chains (CACs). To ensure stability system, edge atoms are passivated by hydrogen atoms. The self-consistent density functional theory (DFT) calculations show that simple system possesses prefect spin-filtering property at wide voltage region from −1.0 1.0 V. More importantly, proposed can act as dual...
This paper describes the investigation of manganese modified CdTe/CdS quantum dots as a fluorescence probe for trace copper detection. Manganese were prepared in aqueous solution and characterized by ultraviolet-visible absorbance, spectra, transmission electron microscopy X-ray diffraction. The as-synthesized QDs presented high photoluminescence yield 84%. functionalized nanoparticles used Cu2+. interference study demonstrated that normal foreign ions, such Na+, Mg2+, Al3+et al., had very...
Zigzag silicene nanoribbons (ZSiNRs) in the ferromagnetic edge ordering have a metallic behavior, which limits their applications spintronics. Here robustly half-metallic property is achieved by boron substitution doping at of ZSiNRs. When impurity atom replaced aluminum atom, doped ZSiNRs possess spin semiconducting property. Its band gap suppressed with increase ribbon's width, and pure thermal current modulating width. Moreover, negative differential thermoelectric resistance charge...
By the first-principles calculations, various SrTiO3/Si interface architectures have been studied in this work and computed results showed that stable ferroelectricity can be realized system. The Si/SrO architecture with Si-O configuration predominately ferroelectric nature height of potential barrier between negative positive poled states (0.77 eV per interfacial unit cell). presence covalent bond substrate Si O SrO layer adjacent to leads disappearance electronic dipoles at interface,...
Fano effect is an important quantum phenomenon in mesoscopic systems, which arises from interference between the localized state and extended state. Here we observe obvious near Fermi level all-carbon molecular device consisting of acene molecule sandwiched two zigzag graphene nanoribbon (ZGNR) electrodes. By increasing length molecule, gradually evolves into a With aid nearby state, achieved. Using gate voltage, can easily tune induced by single-transmission channel. When spin degree...
Thermoelectric (TE) materials transform thermal energy into electricity, which can play an important role for global sustainability. Conducting polymers are suitable the preparation of flexible TE because their low-cost, lightweight, flexible, and easily synthesized properties. Here, we fabricate organic-inorganic hybrids by combining vanadium oxynitride nanoparticles coated with nitrogen-doped carbon (NC@VNO) poly(3,4-ethylenedioxy thiophene):poly(styrene sulfonate) (PEDOT:PSS). We find...
Based on the non-equilibrium Green function method combined with density functional theory, we investigate spin-resolved transport through transition metal (TM) (= Cr, Mn, Fe and Ru)-containing molecular devices in presence of zigzag graphene nanoribbon (ZGNR) electrodes. The wave-function mismatch for single-spin component results a perfect spin-filtering property near Fermi level. Moreover, also observe Fano Breit-Wigner resonance peaks transmission spectrum. Under temperature gradient,...
The large volume change and low electronic conductivity are the two main drawbacks for metal carbonates as promising anode materials of lithium-ion batteries. Metal doping is one most effective methods to address these issues. Herein, cadmium-doped ferrous carbonate Fe1–xCdxCO3 (x = 0, 0.2, 0.4, 0.6, 0.8, 1) composites have been synthesized by a simple hydrothermal method first time. morphologies FeCO3 evolved from microspheres agglomerated nanoparticles then nanocubes with increase Cd...
Recently, a holey two-dimensional (2D) C2N crystal with wide band gap has been successfully synthesized. However, its non-magnetic property largely limits real applications in spintronics. Here we find that edge magnetism can be introduced by tailoring the 2D into nanoribbons zigzag edges. When N atoms are bare or passivated H atoms, device used to design high-performance thermospin devices and thermal rectifiers. This is ascribed emergence of spin semiconducting gap. Moreover, if O shows...
The discovery of two-dimensional (2D) magnetic materials makes it possible to realize in-plane tunnel junctions. In this study, the transport characteristics an double barrier junction (IDB-MTJ) based on Cr2C have been studied by density functional theory combined with nonequilibrium Green's function method. results showed its maximum tunneling magnetoresistance ratio (TMR) value reached 6.58 × 1010. Its minimum TMR (3.86 106) was also comparable those conventional field effect transistors...