A5100650898- Iron-based superconductors research
- Rare-earth and actinide compounds
- Intellectual Capital and Performance Analysis
- Advanced Photocatalysis Techniques
- Magnetic and transport properties of perovskites and related materials
- Corporate Taxation and Avoidance
- Physics of Superconductivity and Magnetism
- Gas Sensing Nanomaterials and Sensors
- Superconductivity in MgB2 and Alloys
- Multiferroics and related materials
- Inorganic Chemistry and Materials
- Advanced Nanomaterials in Catalysis
- Advanced Sensor and Energy Harvesting Materials
- Advanced Condensed Matter Physics
- Catalytic Processes in Materials Science
- Photonic Crystals and Applications
- Magnetic Properties and Synthesis of Ferrites
- Electrocatalysts for Energy Conversion
- Electronic and Structural Properties of Oxides
- Polyoxometalates: Synthesis and Applications
- Hydraulic Fracturing and Reservoir Analysis
- Titanium Alloys Microstructure and Properties
- Seismic Imaging and Inversion Techniques
- Diatoms and Algae Research
- Magnetic Properties of Alloys
Dalian Maritime University
2021-2025
Ministry of Transport
2021-2025
Qingdao University of Science and Technology
2012-2025
Jiangsu University
2023-2025
China West Normal University
2024
Zhengzhou University
2024
PetroChina Southwest Oil and Gas Field Company (China)
2015-2024
University of Electronic Science and Technology of China
2020-2023
Beihang University
2023
Soochow University
2012-2021
When external pressure drives an electrolyte solution in a capillary tube with charged inner surface, we obtain streaming potential/current. This effect is also manifested when water flows through the microchannels of tree, which driven by and natural evaporation. Thus, making use evaporation, took advantage anisotropic three-dimensional wood structures to fabricate nanogenerators drawing electricity from As result, direct current can be harvested continuously, simply piece wood. A 300 mV...
Immune checkpoint blockade (ICB) has demonstrated curative potential in several types of cancer, but only for a small number patients. Thus, the identification reliable and noninvasive biomarkers predicting ICB responsiveness is an urgent unmet need. Here, we show that increased tumor vessel perfusion treatment-sensitive EO771 MMTV-PyVT breast as well CT26 MCA38 colon models, not treatment-resistant MCaP0008 4T1 models. In sensitive ability anti–cytotoxic T lymphocyte–associated protein 4 or...
Abstract Many organisms produce stunning optical displays based on structural color instead of pigmentation. This or photonic is achieved through the interaction light with intricate micro-/nano-structures, which are “grown” from strong, sustainable biological materials such as chitin, keratin, and cellulose. In contrast, current synthetic colored usually brittle, inert, produced via energy-intensive processes, posing significant challenges to their practical uses. Inspired by brilliantly...
Abstract Integrating ferroelectric materials with semiconductor photocatalysts offers a groundbreaking strategy to enhance solar‐driven hydrogen production by improving charge separation and transfer efficiency. Herein, synergistic system is developed coupling the tunable polarization of BaTiO 3 (BTO) Z‐scheme heterojunction in Zn 0.5 Cd S quantum dots (ZCS QDs). The strong adjustable built‐in electric field generated BTO effectively drives carrier separation, enhances interfacial band...
The multiband nature of iron pnictides gives rise to a rich temperature-doping phase diagram competing orders and plethora collective phenomena. At low dopings, the tetragonal-to-orthorhombic structural transition is closely followed by spin-density-wave both being in close proximity superconducting phase. A key question high-${T}_{c}$ superconductivity its relation orbital ordering magnetism. Here we study ${\mathrm{NaFe}}_{1\ensuremath{-}x}{\mathrm{Co}}_{x}\mathrm{As}$ superconductor using...
We report inelastic neutron scattering experiments on single crystals of superconducting Ba0.67K0.33Fe2As2 (Tc = 38 K). In addition to confirming the resonance previously found in powder samples, we find that spin excitations normal state form longitudinally elongated ellipses along QAFM direction momentum space, consistent with density functional theory predictions. On cooling below Tc , while preserves its anisotropy as expected, at energies become essentially isotropic in-plane space and...
We use elastic and inelastic neutron scattering to systematically investigate the evolution of low-energy spin excitations iron arsenide superconductor ${\text{BaFe}}_{2\ensuremath{-}x}{\text{Ni}}_{x}{\text{As}}_{2}$ as a function nickel doping $x$. In undoped state, ${\text{BaFe}}_{2}{\text{As}}_{2}$ exhibits tetragonal-to-orthorhombic structural phase transition simultaneously develops collinear antiferromagnetic (AF) order below ${T}_{N}=143\text{ }\text{K}$. Upon electron $x=0.075$...
We use inelastic neutron scattering to study spin waves in the antiferromagnetic ordered phase of iron pnictide NaFeAs throughout Brillouin zone. Comparing with well-studied $A{\mathrm{Fe}}_{2}{\mathrm{As}}_{2}$ ($A=\mathrm{Ca}$, Sr, Ba) family, have considerably lower zone boundary energies and more isotropic effective in-plane magnetic exchange couplings. These results are consistent calculations from a combined density functional theory dynamical mean field provide strong evidence that...
We use polarized neutron scattering to demonstrate that in-plane spin excitations in electron doped superconducting ${\mathrm{BaFe}}_{1.904}{\mathrm{Ni}}_{0.096}{\mathrm{As}}_{2}$ (${T}_{c}=19.8\text{ }\text{ }\mathrm{K}$) change from isotropic anisotropic the tetragonal phase well above antiferromagnetic (AFM) ordering and tetragonal-to-orthorhombic lattice distortion temperatures (${T}_{N}\ensuremath{\approx}{T}_{s}=33\ifmmode\pm\else\textpm\fi{}2\text{ without an uniaxial pressure. While...
Significance Cancer immunotherapy demonstrates durable clinical efficacy but only in a small percentage of cancer patients. The aberrant tumor blood vessels and resulting hypoxic microenvironment are major obstacles to hinder immunotherapy. Tumor vascular normalization is promising strategy overcome these hindrances; however, the normalizing effects induced by current available approaches often transient, limiting its therapeutic benefits. Here, we show that Delta-like 1 (DLL1) can induce...
A determination of the superconducting (SC) electron pairing symmetry forms basis for establishing a microscopic mechanism superconductivity. For iron pnictide superconductors, ${s}^{\ifmmode\pm\else\textpm\fi{}}$-pairing theory predicts presence sharp neutron spin resonance at an energy below sum hole and SC gap energies ($E\ensuremath{\le}2\ensuremath{\Delta}$) ${T}_{c}$. On other hand, ${s}^{++}$-pairing expects broad excitation enhancement above $2\ensuremath{\Delta}$ Although has been...
High-temperature superconductivity in iron pnictides occurs when electrons are doped into their antiferromagnetic (AF) parent compounds. In addition to inducing superconductivity, electron doping also changes the static commensurate AF order undoped compounds short-range incommensurate near optimal superconductivity. Here we use neutron scattering demonstrate that $\mathrm{Ba}{\mathrm{Fe}}_{2\ensuremath{-}x}{\mathrm{Ni}}_{x}{\mathrm{As}}_{2}$ is not a spin-density wave arising from itinerant...
Abstract Iron-based superconductivity develops near an antiferromagnetic order and out of a bad-metal normal state, which has been interpreted as originating from proximate Mott transition. Whether actual insulator can be realized in the phase diagram iron pnictides remains open question. Here we use transport, transmission electron microscopy, X-ray absorption spectroscopy, resonant inelastic scattering neutron to demonstrate that NaFe 1− x Cu As ≈0.5 exhibits real space Fe ordering, are...
We use inelastic neutron scattering to show that superconductivity in electron-underdoped NaFe0.985Co0.015As induces a dispersive sharp resonance near E(r1)=3.25 meV and broad dispersionless mode at E(r2)=6 meV. However, similar measurements on overdoped superconducting NaFe0.935Co0.045As find only single E(r)=7 connect these results with the observations of angle-resolved photoemission spectroscopy gaps electron Fermi pockets are anisotropic underdoped material but become isotropic case....
A carbon nanofiber supported copper nanoparticle (CuNP/CNF) catalyst was prepared and used for Ullmann-type couplings under ligand-free conditions. The exhibited high catalytic activity in C–O C–N bond formation couplings.
We use neutron scattering to study spin excitations in single crystals of LiFe_{0.88}Co_{0.12}As, which is located near the boundary superconducting phase LiFe_{1-x}Co_{x}As and exhibits non-Fermi-liquid behavior indicative a quantum critical point. By comparing LiFe_{0.88}Co_{0.12}As with combined density functional theory dynamical mean field calculation, we conclude that wave-vector correlated low energy are mostly from d_{xy} orbitals, while high-energy arise d_{yz} d_{xz} orbitals....