Researchers found three regimes in gold plasmonic evolution: classical plasmon for large clusters, quantum confinement corrected plasmon for medium-sized clusters, and molecular plasmon for small clusters. The study uses atomic precision to understand the boundary between bulk, nano and molecule scale of gold plasmonic physics.
A new pillar[5]arene-based hybrid material has been fabricated with enhanced emission in both solid state and solution phases. The material exhibits stimuli-responsive luminescent properties, including tunable multicolor luminescence and ion sensing ability.
Research reveals molybdenum-nitrogen complexes as effective catalysts for disproportionation of cyclohexadienes, with the Mo-N=N unit playing a key role in the reaction. High catalytic activity suggests new approaches to participate in catalytic systems for nitrogen ligands.
Researchers studied severe thunderstorms and lightning activity in Beijing, finding that squall lines and multi-cell thunderstorms are the main types of lightning disaster weather systems. They also discovered a strong relationship between lightning frequency and model parameters, which can be used to improve forecast accuracy.
Researchers developed a new mRNA delivery platform using ZIF-8 nanoparticles that exhibit high mRNA loading capacity, successful endosomal escape, and synergistic GSH depletion. This approach upregulates mRNA translation and improves delivery efficiency compared to existing methods.
Researchers at Hunan University and Clemson University have developed a new type of electrode material inspired by biological cells. The material, called biomimetic carbon cells, improves the cycling stability of potassium-ion batteries and allows for longer continuous operation.
The study provides a detailed understanding of the crustal deformation mechanism in the western Qilian Mountains, northeastern margin of the Tibetan Plateau. The researchers discovered a decoupled crustal deformation with intra-crustal decollement layers, which reveals the Asian lithospheric mantle being underthrust beneath the region.
Scientists have created 2D CaCl crystals that display unexpected metallicity and room-temperature ferromagnetism. These crystals exhibit piezoelectricity-like behavior and have potential applications in transistors and nanotransistor devices.
Functional hydrogel coatings have various functions, including sensing, actuation, drug delivery, and conductivity for neural electrodes. Research directions include optimizing coating methods for mass production, long-term stability, and testing adhesion.
Researchers at Nanjing University designed a topological-insulator waveguide-resonator system that solves the critical coupling problem in electronics and photonics. The system supports spin-locked modes, eliminating backscattering and induced noise, while retaining transmission spectral characteristics.
In ecological networks, synchronization and transients are unified through symmetry and stochasticity. Cluster synchronization emerges due to intrinsic symmetries of the network, exhibiting transient behavior with intermittent switching among distinct patterns.
Researchers developed lattice models to predict nonlinear surface morphology evolution with multiple mode transitions in hyperelastic bilayers. They revealed an intricate post-buckling phenomenon involving successive bifurcations, advancing fundamental understanding of nonlinear morphological transitions.
A new permafrost thermal stability map for the Tibetan Plateau has been created with high accuracy, using a combination of ground observation data and remote sensing big data. The map divides the permafrost into five zones, providing critical information for engineering planning and water resource management in the region.
Researchers have realized a reversible superoxide-peroxide conversion in a K-based high-capacity rechargeable sealed battery device, boosting cathode capacity to 300 mAh/g and achieving high energy efficiency. This breakthrough overcomes gaseous O2-related intrinsic defects and phase changes between gaseous O2 and solid Li/Na/KxO.
Researchers from Xiamen University demonstrated a bio-inspired heterometallic cluster that mimics the CaMn4O5 structure of PSII, showing efficient overall water splitting activity without sacrificial reagents. The cluster anchors on phosphorus-doped graphitic carbon nitrides and exhibits high H2 production rates and O2 evolution rates.
Recently, N-heterocyclic phosphines have emerged as a new group of promising catalysts for metal-free reductions. Their excellent hydricity rivals or exceeds that of many metal-based hydrides, making them suitable alternatives for reducing unsaturated compounds.
Researchers have developed a sustainable material called regenerated isotropic wood (RGI-wood) from surface nanocrystallized wood particles. RGI-wood boasts improved mechanical properties, fire retardancy, and electromagnetic shielding capabilities compared to natural wood and petroleum-based plastics.
Researchers from Shanghai Jiao Tong University have successfully designed and fabricated a microcavity on a lithium niobate chip, achieving integrated light source in the communication band. The innovative technology realizes the potential of lithium niobate thin films for efficient optoelectronic integration.
The article outlines four key paradigm shifts for 6G wireless communication networks: global coverage through non-terrestrial networks, full spectrum exploration for increased data rates, AI-powered smart applications, and enhanced network security. The future of 6G promises faster and more secure communications, blurring the lines bet...
This study demonstrates CsPbBrI2 perovskites with improved optoelectronic performance through secondary grain growth functionalization. The resulting devices exhibit ultra-low energy loss, higher carrier mobility, and record PCEs under various light sources.
Researchers have observed ideal type-II Weyl points in classical circuits, which exhibit strongly tilted band structures and linear degenerate points. These findings provide a new platform for studying Weyl physics and topological phenomena.
Researchers develop efficient immunization strategy using limited network information, significantly reducing disease spread for small groups of individuals. By focusing on the most connected nodes, they achieve a lower fraction of nodes needed to stop the epidemic, highlighting the potential for effective control measures.
Scientists at Institute of Physics, Chinese Academy of Science analyzed parent compound NdNiO2 using first-principles calculations and Gutzwiller variational method. They found that electron Fermi pockets are contributed by Ni-3dx2-y2 orbitals and a two-band model can be constructed to reproduce all bands around Fermi level.
Researchers established an explicit scaling form for the free energy density, including a Gaussian fixed point and multiplicative logarithmic corrections. Monte Carlo simulations supported the conjectured scaling forms for various macroscopic quantities.
Researchers developed an all-optical attosecond few slit interferometer to measure ultrafast processes in the time-energy domain. The technique uses laser-driven high order harmonics and introduces a perturbing field to alter harmonic generation, enabling wave-front controlled attosecond interferometry with precise energy resolution.
Researchers have discovered ultra-high piezoelectric coefficients in hydrogen-bonded ferroelectrics, exceeding that of PZT by more than 3 times. The phenomenon is sensitive to strain and can be tuned to room temperature by applying a fixed strain.
Researchers engineered β-Ni(OH)2 catalysts with different alkoxyl ligands, achieving high-efficiency oxygen evolution reactions. The ethoxyl-substituted β-Ni(OH)2 shows great potential as an efficient OER catalyst.
The LHCb collaboration observes two structures in proton-proton collisions, suggesting the existence of four-charm tetraquark states. The narrower structure is described as a hadron state of mass about 6900 MeV/c2, denoted as X(6900). Understanding the internal structure of hadrons remains a challenge, with QCD models unable to explain...
Researchers demonstrate a solvent-assisted ligand exchange-hydrogen reduction strategy for selective encapsulation of ultrafine metal nanoparticles within the shallow layers of MOF. This approach reduces mass transfer resistance and enhances metal dispersion, promoting highly efficient hydrogenation reactions.
Researchers from China University of Petroleum have designed ultra-small hollow alloy nanoparticles that exhibit excellent electrocatalytic activity and stability for the hydrogen evolution reaction. The unique structure provides abundant active centers, reducing the cost of platinum-based electrocatalysts.
Researchers used Lorentz transmission electron microscopy to observe complex vortex-like magnetic structures in a Kagome crystal. The study suggests that 3D magnetic structures play a crucial role in understanding these configurations and provides an experimental proof of their existence.
Researchers have developed a single-atom alloy co-catalyst that significantly enhances photocatalytic hydrogen production activity. By precisely controlling the Pt content in the Pd@Pt/MOF composite, they achieved an exceptionally high photocatalytic activity, surpassing its counterparts.
Researchers have developed a graphdiyne-based metal atomic catalyst that achieves high selectivity and yield in ammonia synthesis. The catalyst, which exhibits determined electronic and chemical structure, demonstrated remarkable performance in converting nitrogen to ammonia at ambient temperatures and pressures.
New study uses phylogenetic information to estimate timing of Himalayan uplift and origin of biodiversity. The Stepwise Hypothesis is supported by in situ diversification and dispersal rates, while the Late Orogeny Hypothesis is rejected due to inconsistencies with origination and peak diversification times.
This study highlights the importance of evenness in assessing sustainable development goals, revealing a bottleneck in China since 2013 due to stagnant progress in some SDGs. Regional integration and cooperation are proposed as effective strategies for holistically achieving SDGs across regions.
Researchers have developed an ultra-sensitive hybrid nanothermometer that can detect small temperature changes in ambient conditions. The device uses a nitrogen-vacancy center in diamond and a magnetic nanoparticle to measure thermal signals with a precision of 76 microkelvin per second.
Topological photonics explores discrete states of light, similar to Fock states of electrons. The connection between the Maxwell and Schrodinger equations reveals new topological phases, including a Haldane model for valley Hall effect.
Recent advances in OFET device models incorporate molecular-level parameters, enabling more accurate simulation of micrometer-sized devices. These models have improved the understanding of charge-transport mechanisms and provided insights into nonlinear current characteristics.
Researchers found that sapphire crystal faces exhibit contact angles far greater than 10°, with the (1-102) face being hydrophobic. This discovery provides insights into intrinsic wettability and its potential applications in materials science and technology.
Researchers have developed a new method for two-dimensional optical spatial differentiation, enabling efficient broadband imaging with high contrast. The proposed dielectric metasurface device outperforms current methods in efficiency, compactness, and power consumption.
Researchers have found that EEG-based BCI speller output can be easily manipulated by tiny adversarial noise, exposing a critical security concern. This manipulation can lead to user frustration or severe misdiagnosis in clinical applications.
Researchers have developed a new cerium(III) complex that achieves 100% EUE in OLEDs, leading to improved device stability and efficiency. The device shows a maximum external quantum efficiency of 20.8%, smaller roll-off, higher maximum luminance, and longer operating lifetime compared to traditional iridium-based OLEDs.
Researchers have developed a novel amphiphilic AIE-active sensor that can overcome the traditional bioimaging bottleneck by achieving high targeting ability and selectivity. The sensor utilizes an amphiphilic characteristic to prevent aggregation in aqueous environments and ensure accurate fluorescence signal mapping.
A new crystal model system accurately identifies catalytic active sites in electrocatalysis, revealing pyridine N as a suitable active site for CO2 reduction. The study provides significant insights into the reaction mechanism and catalyst performance.
Researchers have discovered a large family of 2D ferroelectric metals using machine learning, finding 60 stable materials with unique properties. The discovery could lead to new applications in magnetoelectric and magnetostrictive devices.
Researchers have developed methods to calculate the QED correction of helium to the 7th power series, which are the most accurate results to date. Precision measurements of helium atoms also have a broad impact on various important studies, including determining the radius of helium nuclei and calculating polarizability.
Researchers developed an air-insensitive biphenol derivative cathode with high potential and solubility, demonstrating stable cycling performance and high rate capabilities. The cathode's biphenol structure offers excellent oxidation resistance and four tertiary ammonium groups improve stability.
Researchers discovered neutral Co13O8 clusters with cubic structure and large HOMO-LUMO gap, exhibiting remarkable thermal stability and aromaticity. These 'metalloxocubes' are expected to become suitable candidates for genetic materials.
Researchers achieve breakthrough in designing carbonaceous materials as cathodes with ultrahigh energy density (>1000 Wh kg?1) through p-type doping strategy. The work presents a new paradigm for evaluating electrochemical performance from multiple perspectives.
A recent study used OBS data to clarify the formation mechanism of the Double-peak seamount in the Northwest Sub-basin (NWSB) of the South China Sea (SCS). The survey revealed a high velocity layer at the bottom of the crust, indicating possible in-situ mantle serpentinization or lower crust magma underplating. The study enriches the d...