In-situ diffuse neutron scattering experiments revealed that when electric current is passed through single crystals of rutile TiO under conditions conducive to flash sintering, it induces the formation of parallel planes of oxygen vacancies. Specifically, a current perpendicular to the -axis generates planes normal to the (132) reciprocal lattice vector, whereas currents aligned with the -axis form

Hydrate method to capture and store CO under sea floor as one of the most novel and promising methods to deal with the greenhouse effect and reduce carbon emission has gained increasing attention nowadays. But how to grow CO hydrate under promotion in confinement has rarely been exploited. Here the growth of CO hydrate with tetrahydrofuran (THF) promoter in confinement was systematically investigated

Designing new, technologically relevant superconductors has long been at the forefront of solid-state physics and chemistry research. However, developing efficient approaches for modeling the thermodynamics of superconducting alloys while accurately evaluating their physical properties has proven to be a very challenging task. To fill this gap, we propose an ab initio thermodynamic statistical method

Ferromagnetic side layers sandwiching a nonmagnetic spacer as a metallic trilayer has become a pivotal platform for achieving spintronic devices. Recent experiments demonstrate that manipulating the width or the nature of conducting spacer induces noncollinear magnetic alignment between the side layers. Our theoretical analysis reveals that altering the width of spacer significantly affects the interlayer

Dielectric capacitors with high recoverable energy storage density () are in urgent demand for clean energy technologies. However, their lower breakdown strength () strongly limits their energy storage performance. We, herein, propose a facile method to enhance by enhancing mechanical strength via second phase modulation. The efficiency of this method is validated in the (1-)(0.94NaBiTiO-0.06BaTiO)-Sr(TaSb)O

The intact heart undergoes complex and multiscale mechanical remodeling processes. Measuring rhythmic spatial contraction of the myocardium is crucial for assessing mechanical durability and the ability to mount coordinated responses to pressure, electrical, and hemodynamic signals. However, current cardiomyocyte measurement platforms typically focus on action potentials and XY-plane contractions.

In the pursuit of developing fast and reliable gas sensors, a new ternary oxide semiconductor, a bismuth oxyiodide (BiOI)-based sensing material, has been reported with desirable adsorption energy, short recovery time, and high sensitivity and selectivity for detecting nitrogen oxide mixtures (NO, typically NO and NO). The structural, electronic, and transport properties of both (001) and (012) planes

Studies on altermagnetic materials are attracting extensive research efforts owing to their directional dependent spin split band structure. However, it is rare to find reports on the possibility of multifunctionality in altermagnetic systems. Here, we explore the spin dependent transport properties and piezoelectricity of two-dimensional VSeTeO altermagnet. The VSeTeO system has a direct band gap

In this study, we employ density functional theory (DFT) and subgroup discovery (SGD) to explore the structural and magnetic properties of full cubic Heusler compounds, with a particular emphasis on their Curie temperatures (T) and magnetic stability. Our comprehensive examination of 2903 structures across both L2 and Xa phases identifies configurations that exhibit both structural stability and superior

Near-infrared (NIR) phosphor-converted light emitting diodes (NIR pc-LEDs) hold great promise for applications in night vision imaging, nondestructive analysis, and plant growth. Although some NIR phosphors have been developed in recent years, there are fewer studies on Cr-doped multisite luminescent phosphors. Here, we report a novel LiGaAlO:Cr (LGAO:Cr) phosphors with double Cr luminescence centers

Flexible Organic solar cells (OSCs) have garnered widespread attention due to the increased popularity of wearable electronic devices. To enhance the efficiency and stability of the device we have prepared (2E,2′E)-3,3'-(4,4,9,9-tetrahexadecyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b'] dithiophene-2,7-diyl)bis(2-cyanoacrylic acid) IDT) based dopant by reacting the aldehyde precursor with cyanoacetic acid

Air pollution has presented an imminent threat to the world. Multifunctional filters with high filtration efficiency, low pressure drop, moisture resistance, antibacterial properties, and renewability are urgently needed to be developed. In this study, multifunctional wood filters are innovatively designed with a baffle structure combining macroscopic structural design and microscopic in-situ synthesis

MXene-based conductive hydrogels have emerged as a new type of soft materials in flexible electronics. Herein, metal coordination is introduced into MXene-based conductive hydrogels to synchronously enhance the mechanical and self-healing properties. MXene-based conductive hydrogels are made up of polyacrylic acid (PAA), sium carboxymethyl cellulose (SCMC), TiCT and metal ions (Ni, Al or Sn). PAA/SCMC/TiCT/Sn

With the increasing development of advanced technologies and new materials, recent trends in laser processing-assisted two-dimensional (2D) functional materials have gained significant interest. The ability to precisely control the features of these 2D materials through laser processing has expanded their potential applications in various fields. This review presents a comprehensive summary of recent

On the materials level, the performance of thermoelectric (TE) devices can be defined by the thermoelectric figure of merit (). This, however, does not provide a complete picture due to the complex interplay between electronic and thermal transport properties and the uncertain thermal impedance matching between external and internal thermal resistances in different realistic thermal circumstances.

The ultrafast modulation of optical crystal birefringence, involving rapid deformations of crystalline lattices, holds significant scientific and technological importance. High-frequency coherent phonons, through transient perturbation of lattice order, have emerged as a powerful tool for modifying the properties of materials. Here, we systematically investigate coherent phonons in the asymmetric crystal

Multigap superconductors provide a platform to confirm rich new physics such as time-reversal symmetry breaking, giant paramagnetic response, and hidden criticality. However, an obstacle hindering the experimental validation of these phenomena lies in the lack of superconductors with three or more gaps and critical temperatures higher than the liquid nitrogen temperature. In this work, we predicted

Defects exert a profound influence on thermoelectric materials by altering electronic band structures and significantly impacting their performance. Despite being a potentially promising thermoelectric material, the mechanism behind defect formation in half-Heusler (HH) compounds ABX remains unclear, impeding the enhancement of their thermoelectric properties. In this study, we investigated the intrinsic

Wearable thermoelectric generators (WTEGs) promise sustainable power for wearable electronics with various strategies proposed for on-body applications. However, there is still a lack of power-demand-oriented system design that directly provides WTEG configurations tailored to targeted end electronics, resulting in sufficient power only under extreme ambience. To address this, we propose a straightforward

This study explores the impact of external magnetic fields on thermoelectric properties, focusing on the interplay of spin and quantum effects. Using gadolinium (Gd) as a case study, we observed anomalous magneto-thermopower trends, with a reduction in thermopower at ∼35 K and an enhancement at ≈ 293 K under high magnetic fields. Comprehensive temperature and field-dependent measurements, including

Adjusting birefringence to push the phase-matching (PM) of nonlinear optical (NLO) crystals blue-shifting to the deep-ultraviolet (DUV) region is the inorganic chemists and material scientists' pursuit, while refractive dispersion as an important but easily overlooked optical properties generally brings the unexpected result. Herein, two new Y-based borates, KYBOF and RbYBOF have been synthesized by

Materials containing Cu ions with quantum spin S = 1/2 and oxyhalide groups are an intriguing avenue for exploring quantum-magnetic phenomena. The CuO–CuCl–SeO system has captured significant attention within the research community because of its potential to unveil new magnetic phases and their corresponding properties. Over the past decade, numerous researchers have investigated the unique physical

The quest for non-precious electrocatalysts through biomass for energy applications has attracted keen interest, but optimization for fuel cells remains challenging. Herein, we have developed a nitrogen and sulfur-anchored MXene hybrid chitosan-derived carbon sphere (N,S-MXC) reporting for the first time as a novel oxygen reduction reaction (ORR) electrocatalyst. Interestingly, as the mass ratio of

Renewable energy is the only viable way to effectively address the global challenges of energy crisis and climate change. Among different resources of renewable energies, artificial photosynthesis is considered as the potential candidate to mitigate both challenges simultaneously by converting solar energy into chemical energy. Hydrogen (H) energy is the first choice in the conversion and utilization

We investigate the magnetocrystalline anisotropy, critical behavior, and magnetocaloric effect in ferromagnetic-layered CrTe. We have studied the critical behavior around the Curie temperature () using various techniques, including the modified Arrott plot (MAP), the Kouvel-Fisher method (KF), and critical isothermal analysis (CI). The derived critical exponents = 0.353(4) and = 1.213(5) fall in between

BiTe-based bulk materials are the best commercially available thermoelectric materials for near room temperature applications. However, the poor mechanical properties of zone melting material and inferior thermoelectric performance of powder metallurgical material restrict their large scale deployment. In this study, -type Bi₂Te₃-based materials were prepared using the hot extrusion technique, and

Optimizing heterojunction structure is an important way to improve photocatalytic activity. Herein, we report a novel hollow tubular CN/Nb/NbO nanoparticle Z-Scheme heterojunction, by introducing Nb ions into NbO through a reducing atmosphere during CN thermal polymerization. The optimized heterostructure showed outstanding photocatalytic hydrogen evolution activity under both UV–vis (14.93 mmol g

Continuous conductive network is associated with the percolation effect, yet the method of fabricating network structure at low content is still a challenge. Herein, this work proposed a “honeycomb” structure via hot pressing to realize weak negative permittivity at low percolation threshold. By polydopamine (PDA) self-polymerization and silver mirror reaction plating, Ag nanoparticles coated polystyrene

Fundamental understanding of anharmonic lattice dynamics and heat conductance physics in crystalline compounds is critical for the development of thermoelectric energy conversion devices. Herein, we thoroughly investigate the microscopic mechanisms of thermal transport in CsCuS by coupling the self-consistent phonon (SCP) theory with the linearized Wigner transport equation (LWTE). We explicitly consider

Lanthanide doped upconversion nanoparticles (UCNPs) that convert near infrared photons to visible/ultraviolet emissions have been widely used in sensing applications due to high chemical/photostability without bleaching and blinking, large anti-Stokes shift with low autofluorescence background, sharp and tunable emission bands, etc. Normally, these prominent achievements are accomplished by using UCNP

A machine learning (ML) framework to predict the physical band potentials for a range of semiconductor materials, from metal sulfide, oxide, and nitride, to oxysulfide and oxynitride, is hereby described. A valence band maximum (VBM) model was established via the transfer learning of a large dataset of 2D materials (1382 samples, but with incorrect VBM potentials) onto a much smaller dataset of physically

Crosslinking structural transformation mechanism at nanoscale to the corresponding anisotropically electronic properties is essential to both the atomic-level controlled synthesis and extreme-conditional applications of the ultrawide bandgap semiconductors. Here, we report the first direct observation of bandgap variation at certain microstructural flaws in monoclinic crystal β-GaO via scanning transmission

Interfacial energy transport is of great engineering and scientific importance. Traditional theoretical treatment based on phonon reflection and transmission only provides qualitative understanding of the interfacial thermal conductance (). In the interface region, the material has gradual (covalent) or abrupt (van de Waals) physical structure transition, each transition features interface-region atomic

Nonreciprocal thermal radiation allows the violation of Kirchhoff's law, as the spectral directional emissivity and absorptivity at the same angle can be different. Prior research has elucidated that certain optical resonance modes facilitate amplification of nonreciprocity at specific angles or wavelengths. However, achieving nonreciprocal thermal radiation with both wide-angle coverage and narrowband

Copper(I) iodide (CuI) is the leading inorganic -type transparent conductor, attracting major attention for its promising optoelectronic properties and facile growth methods, although, commercial uptake is limited due to its as-of-yet insufficient electrical conductivity. Doping CuI with the chalcogens (O, S, Se, Te) is a viable route to tune its electrical conductivity for applications such as in

The photovoltaic performance of perovskite solar cells (PSCs) is closely dependent on the efficient carrier extraction and transport at the interface. Here, a polyaniline (PANI) functionalized MoO (PANI/MoO) hole transport material (HTM) is exploited to perfect the interface between the perovskite layer and carbon electrode in all-inorganic CsPbBr PSCs. After functionalization with PANI, the p-type

The major setback for the enhanced performance of DSSC is the narrow absorption window and the interfacial exciton recombination. Therefore, in this work, the photovoltaic performance of dye-sensitized solar cells has been improved by the synergistic effect of anthracite-derived graphene quantum dots and silver plasmons. GQD and Ag coupled photoanodes were fabricated by a facile solution processable

Metal pyrophosphate-based materials for supercapattery have recently attracted significant research interest due to their high energy density, structural stability, and cyclability. Despite this, the low electric conductivity of such compounds severely limits the rate efficiency of supercapattery. To address this challenge, self-assembly of strontium pyrophosphate (SrPO) on 2D reduced graphene oxide

Textiles with passive radiative cooling (PRC)/passive radiative heating (PRH) capabilities have been developed to address human thermal comfort in different climate scenarios. Although materials with single PRC/PRH function have been reported, they tended to exhibit only one function of either cooling or heating, which was restrictive in achieving efficient and controllable personal thermal management

Thermal conductivity is one of the important thermophysical properties for describing the ability of a material to transfer heat. The thermal conductivities and microstructures of Cu–Ag, Cu–Cr and Cu–Zr binary alloys were experimentally investigated. 11 equilibrated binary alloys were designed and prepared annealed at 600 °C for 60 days. Their phase equilibria and compositions were analyzed by scanning

Transition metal dichalcogenides (TMDs) are regarded as an optimal material for investigating the quantum effect of Spin-orbit coupling (SOC). Although many experiments have measured the physical properties of TMDs materials, the influence of the SOC effect on these properties cannot be determined. Here, we selected monolayer MoS and WS to investigate their physical properties in both the normal and

Zinc (Zn) and nitrogen (N) are potential acceptor dopants for inducing visible emissions and p-type conductivity in monoclinic gallium oxide (β-GaO), however, the poor understanding of these dopants and their recombination process severely limited the optoelectronic applications. Here, we investigate the zinc (Zn) and nitrogen (N) dopants-induced intraband states and the broadening of defect emission

Two-dimensional (2D) bilayer transition metal dichalcogenides (TMDCs) have attracted considerable attention due to their promising applications in the fields of electronics, optoelectronics, valleytronics and nonlinear optics. However, the precise synthesis of large-area, high-yield and uniform bilayer MoS semiconductors remains a significant challenge. Herein, we have developed one two-stage chemical

Hydrogen titanium oxide (HTO) is a promising material in extracting lithium ions from dilute sources such as geothermal or oil/gas brines. However, experiments show limited Li adsorption in HTO compared to its theoretical maximum capacity, where all H atoms in HTO are replaced by Li that forms lithium titanium oxide (LTO). Here, molecular dynamics (AIMD) simulations show clear evidence of phase transitions

Inhibiting Leidenfrost phenomenon has been conventionally mediated by texturing materials to facilitate the solid-liquid contact or by arranging vapor channels to promote vapor evacuation. However, it remains challenging to break the trade-off between the high Leidenfrost point and the high heat transfer efficiency because elevating Leidenfrost point is often accompanied by the increase of thermal

Ionic conductors are emerging as promising candidates in the field of microwave absorption, demonstrating significant potential in absorption efficiency and practical applications. In this study, we have synthesized a series of microwave absorption clays (AC) by incorporating 2D ZIF-L with four imidazolium ionic liquids (ILs). These materials not only exhibit outstanding absorption properties but also

Flexible strain sensor arrays hold great promise in on-skin monitoring of human signals and activities. Despite the development of strain-sensitive materials and patterning technologies for improved performance and device integration, the metal film serving as interconnects is always vulnerable upon stretch, which hinders the operation under large strains. Herein, a novel strategy is developed for

We characterized exciton diffusion and dissociation behaviour in two ITIC derivatives non-fullerene acceptors (NFA) by time-resolved spectroscopic methods. The exciton diffusion length was determined to be ∼26 and ∼34 nm in ITIC and IT4F. We further examined the dissociation of excitons in those NFA at the acceptor/donor planar heterojunction interfaces by transient absorption measurements, in which

We have studied magnetocaloric effect of kagome MgMnSn single crystal. The MgMnSn single crystal exhibits a typical transition of ferromagnetic (FM) to paramagnetic (PM). Maximum magnetic entropy change () and relative cooling power (RCP) for a field change of 0–50 kOe were calculated to be 3.05 J/kg K and 129 J/kg for //ab, 2.76 J/kg K and 115 J/kg for //c, respectively. Concurrently, around the phase