Fine-long shaped grains have been proved to be an efficient design approach to overcome the traditional trade-off relation between strength and electrical conductivity (EC) of metal wires. However, quantitative models linking grain shape parameters to both strength and EC remain scarce, limiting the precise optimization of material properties. In this study, grain boundaries (GBs) were classified into

The increase in the fraction of high-valent metal cations is of significant importance for enhancing the stability of noble-metal-free catalysts in the acid oxygen evolution reaction (OER). Herein, we report the preparation of a cobalt-manganese oxide spinel nanowire catalyst, where the incorporation and stabilization of high-valent cation fractions are induced by electron-withdrawing anionic fluorine

Two quasi-one-dimensional compounds BaNbTe and BaTaTe were synthesized under high pressure and high temperature conditions and systematically characterized by structural, transport and magnetic measurements. Both the two compounds crystallize into a hexagonal structure with the space group -62 (No. 188). The structure consists of trimeric face-sharing octahedral Nb/TaTe chains separated by a large

As a processing technique to change the organization and properties of materials, heat treatment was widely used to strengthen metallic materials. This study examines the impact of varying cooling rates and heat treatment durations on the mechanical properties and microstructure of AlSi10Mg alloys produced through Selective laser melting (SLM). The heat treatment process was Solution Heat Treatment

A highly dense and single phase (TiZrHfMoW)B ceramic product is obtained in this work at 1950°C (20 min, 20 MPa) by Spark Plasma Sintering (SPS) from powders prepared by Self-propagating High-temperature Synthesis (SHS). The formation of the (W,Mo)B secondary phase is avoided using fine W precursors and adding 1 wt% graphite to the SHS powders before SPS. Kinetic limitations responsible for hindering

The dissolution and diffusion of polysulfide compounds in lithium-sulfur (Li-S) batteries restrict their cyclic stability. The sulfur hosts are the key to achieve good cyclic stability for Li-S batteries. Here, a three-dimensional hierarchical heteroatoms B, N-doped porous carbon (BNC) was prepared as a new sulfur host. The active sulfur can be anchored inside the cathode due to the incorporation of

Although bimetallic nickel-cobalt sulfides (Ni/Co-S) have shown promising candidates as pseudocapacitive materials with excellent electrochemical performance, achieving high energy density, high power density, and good cyclability of Ni/Co-S electrode remains a challenge. In this study, the graphene foam (GF) with a three-dimensional (3D) skeleton was successfully prepared using a chemical vapor deposition

Thermal barrier coating materials require high phase stability, low thermal conductivity, and a thermal expansion coefficient that matches the bonding layer. Cation doping is a highly efficient method for enhancing the thermophysical and mechanical characteristics of materials used in thermal barrier coatings. The thermophysical and mechanical properties, as well as the phase stability at high temperatures

In this study, the deformation behaviors of bulk metallic glass (BMG) during the nanoindentation are presented via the experiments and molecular dynamics (MD). The relationship between shear transformation zone (STZ) formation and serrated flow dynamics are developed to explain the deformation characterization evolution of BMG. It is found that as the peak load increases, the hardness and elastic modulus

Metal oxycarbide solid solution possesses an extensive potential applications due to its remarkable physical features. In this paper, TaCO solid solution is successively and controllably synthesized by carbothermal reduction of TaO. Based on the thermodynamic calculation, the possible reactions under different conditions in the carbothermal reduction process were analyzed, which provides theoretical

The high pressure-high velocity oxy liquid fuel (HP-HVOLF) is a current industry-adopted thermal spraying technique for developing high melting point powder coating over surfaces. In the current manuscript, the rare earth (LaO/CeO/ErO–0.3 wt%. each) doped and without rare earth doped carbide (WC-10Co-4Cr) coatings have been deployed on stainless steel (SS410) via HP-HVOLF process. The comparison among

Nickel-rich layered oxides with high energy density and acceptable cost are considered as one of the most ideal cathode materials for power batteries. However, its large-scale production and application still face the challenge in terms of rapid capacity fading and poor structural stability, which has prompted research into surface coating materials/technologies within both academic and industrial

In the present study, silver (Ag), magnesium (Mg), and the various molar ratios of Ag:Mg-doped copper oxide nanocomposites (CuO NCs) were synthesized by the co-precipitation method. The CuO NC samples calcined at 500 °C were further analyzed for their morphological, structural, functional, and optical properties. Adding single and dual doping increased the pristine CuO band gap from 1.28 to 1.50 eV

In this study, we explored the potential of Sm/Er-doped CaGaGeO (CGGO:RE, RE = Sm/Er) as an innovative phosphor, harnessing its versatile photoluminescence properties that depend on various factors, including the excitation wavelength, time, and temperature. Our CGGO:Sm and CGGO:Er samples exhibited promising green and red emissions under UV/Near-UV (NUV) excitation and chromatic changes depending

Rapid advancement of 2D materials has spurred extensive research into MXenes, given their remarkable properties applicable in fields like energy storage, catalysis, and energy harvesting. MXenes, notably Ti3C2, hold promise for self-powered sensors such as piezoelectric nanogenerators, yet exploration of other variants is limited. This study presents a Piezoelectric Nanogenerator (PENG) composed of

As an intriguing strategy for massive hydrogen production, photoelectrochemical (PEC) seawater splitting compels the anode to be highly hypochlorite-resistant. Inspired by algae, we designed a robust photoelectrocatalyst that WO nanorods (NRs) are covered by N/W co-doped (Co, Ni, W)ON nanosheets (NSs). The NSs expose (111) faces and are decorated by (Co, Ni)WO nanoparticles. DFT calculations reveal

CoFeO is recognized as a prospective anodes material for lithium-ion batteries (LIBs) due to its high theoretical capacities. However, challenges such as volume expansion, low conductivity and slow electrochemical kinetics are suffered. In this study, TiCT coupled metal-organic frameworks (MOF)-derived porous CoFeO, integrated with carbon nanofibers (CNFs) through electrospinning followed by calcination

All-inorganic perovskite QDs, such as CsPbX(X = Cl, Br, I), have garnered significant attention in the field of optoelectronics as emerging photonic materials. Rare-earth (RE) doping is an effective strategy for enhancing the optical properties of CsPbX perovskite quantum dot glasses. Therefore, investigating the crystallization behavior of rare-earth ion-doped CsPbX glass and the energy transfer mechanisms

The risks associated with dye wastewater to the ecological environment are becoming increasingly significant. The efficient utilization and effective protection of water resources have become a persistent challenge. Employing coupling technologies to enhance the wastewater treatment process is an effective strategy for achieving sustainable water resource utilization. Herein, composite catalysts with

By preparing interpenetrating phase composites (IPCs) using two-phase composites of metals and polymers, it is possible to preserve the inherent properties of the metal lattice while leveraging the exceptional characteristics of polymers. In this study, a Ti2448/polyurea composite with continuous interpenetrating phase was fabricated by infusing polyurea into a cross-laminated lattice prepared using

Chemical reactivity, optical and electronic features of conventional photocatalysts can be improved by chemical modification and nanocomposites fabrication techniques. Herein, a double Z-scheme LaFeO/B-g-CN/WO (LFO/B-CN/WO) heterostructure nanocomposite has been successfully fabricated via a hydrothermal approach. XRD, FT-IR, SEM/EDS, TEM, TGA/DSC, and UV–visible spectroscopy confirmed crystallographic

A broadband near-infrared (NIR) luminescence that is comparable to chromium ions activated materials is fulfilled in LiSc(PO):Fe phosphor, which is highly desired for environmental and biomedical applications due to the non-toxicity of Fe ions. Structural and spectral analysis reveal that the broadband NIR emission peaked at 805 nm with a full width at half-maximum of 130 nm is derived from the non-selective

The influence of Au catalyst microstructure on the crystallization behavior of Ge thin films obtained by Au-induced crystallization method is studied. By improving the Au catalyst crystallinity by pre-annealing, the hole mobility of Ge thin film crystallized at 200°C is improved to nearly 150 cm/Vs thanks to the increase in Ge grain size, which is fairly high for a Ge film as thin as 10 nm. It is found

The Mg-Er binary system, as a new lightweight alloy material system with important research value and prospects for development and application, has attracted much attention from researchers in the field of materials science. Studies have shown that the addition of the rare earth element Er can improve the mechanical strength and heat resistance of magnesium alloys. However, the specific mechanism

A novel molybdenum disulfide@ materials institute of Lavoisier (MoS@MIL-53 (Ni)) hetero-structure material has been designed to act as a hydrogen/oxygen generator and as a water remediation agent. Two-dimensional layered MoS@MIL-53 (Ni) nanocomposites were prepared through the hydrothermal method. Flower and layered morphology were observed for MoS, and MIL-53 (Ni), respectively in the field emission

Resin-bonded SiC-Al-Si composite was prepared and sintered under flowing nitrogen at 1600℃. By adjusting the Al/Si ratio, the controllable synthesis of various non-oxide reinforcing phases was achieved. The phase evolution mechanism was revealed, providing a theoretical foundation for the production and application of novel SiC-based refractory. As flowing nitrogen contained traces of oxygen, both

Catalytic hydrolysis of NaBH is a promising method for "on-demand" hydrogen generation, with cobalt catalysts playing a key role due to their high hydrogen generation rates. However, rapid cobalt dissolution and poor recycling hinder stable hydrogen production. This study presents a dual-mode stabilization technique using carbon nitride encapsulation to address these challenges. CoNi alloy nanoparticles

The wide bandgap structure of 3.2 eV has made SrTiO (STO) well-known for its exclusive responsiveness to ultraviolet (UV) light. By anchoring Pd to the surface oxygen atoms of STO, we have successfully reduced the forbidden bandwidth of STO to 2.75 V, thereby extending its light absorption range to visible light. Simultaneously, trace amounts of low-valent Pd were distributed on the surface, significantly

Lead-based Pb(Zr, Ti)O ceramics have been widely used in high-power piezoelectric applications, but its stable operation at high temperature is still a grand challenge. In this work, the third element Pb(Mn1/3Sb2/3)O (PMS) was incorporated into Pb(ZrTi)O (PZT) to design the xPb(Mn1/3Sb2/3)O-(1-x)Pb(ZrTi)O (PMS-PZT) ternary ceramics through the phase diagram. The ceramics with morphotropic phase boundary

One of the key strategies to enhance the performance of composites is the implementation of a lamellar structure, which has demonstrated remarkable success. In this study, an ultrathin lamellar WCu composite was fabricated using a combination of freeze-casting and infiltration techniques. Compared to the homogeneous WCu composite, the aligned structure in this composite provides continuous conductive

Optical thermometry has emerged as a promising technique for remote temperature sensing in plenty of applications, where traditional contact methods are useless. To date, many sensing strategies have been developed and realized, but most of them are based on monitoring of the single temperature dependent parameter. Here, we report simple dual-center materials (Eu and Sm-doped CaWO) that provide multimode

Liquefied petroleum gas (LPG), a mixture of different hydrocarbons, is a highly inflammable and explosive gas that is harmful to the environment and human health. Thus, it is imperative to fabricate LPG sensors with higher sensitivity, selectivity, stability, and minimal power consumption, functioning at low temperatures. The current study reports on the monitoring and detection of LPG at low functional

The transformation of metal-organic frameworks (MOFs) into customizable metal compounds with tailored pore structures is considered an effective approach for enhancing electrical conductivity as electrode materials. However, conventional MOF conversion methods often involve intricate high-temperature reactions, posing challenges in precisely controlling the composition, pore structure, and active sites

The co-existence of divalent tin activator and Nd/Yb rare earths in the borate glasses were utilized and examined to achieve the effective enhancement of the useful near-infrared emission in the wide spectral region. The UV Sn excitation is extremely relevant for the effectiveness of both (Nd,Yb) near-infrared emission, however, Sn-Nd energy transfer efficiency is particularly prominent. The different

Electrical contact materials (ECMs) play a pivotal role in maintaining the stability and efficiency of electrical instruments and electronic devices by regulating the current flow. As an essential member of ECMs, W-Ag matrix composite ECMs (W-Ag-MC-ECMs) are integral, demonstrating commendable resistance to welding and arc erosion. However, the limited wettability between the two phases curtails their

Li-S battery as an alternative to next-generation battery systems suffers from electrical insulating properties of sulfur, “shuttle effects” and slow kinetics of lithium polysulfides (LiPSs). Separator modification via catalysts with multiple scales of active sites are great potential; however, the preparation of such a kind of catalysts is still complex and tedious. Here, we developed a facile pyrolysis

Over the span of years, Mn-doped red phosphors have been utilized to meaningful optoelectronic devices due to their outstanding optical properties, and Tm usually is used for activator ion because of its efficient up-conversion emission, but the down-conversion processes are rarely used. Herein, we have successfully synthesized a series of novel LaLiTiO:xMn (x = 0.1–7 %) phosphors. The photoluminescence

Excessive iron in aluminum alloys forms compounds that weaken their strength and workability. Therefore, controlling the morphology of the Fe-rich phase is vital for developing strong, high-quality aluminum alloys. This research explores the controlled diffusion solidification (CDS) process, an innovative approach designed to optimize the morphology and distribution of the Fe-rich phase, thereby enhancing

Due to their low toxicity and high-temperature stability, lead-free quasi-2D metal halide perovskites (MHPs) are promising materials for optoelectronic applications. However, understanding their structural and optoelectronic properties, especially excitonic effects (electron-hole pair, -), is challenging due to their quantum well topology. We propose an efficient protocol for band gap correction of

High-entropy alloys are attractive structural materials for the design of apparatus for various chemical technologies due to their relative ease of production, corrosion resistance and high values of mechanical properties (hardness, strength). In the present work, the influence of aluminum and zirconium content on the corrosion resistance of Al-Ni-Co-Cu-Zr high-entropy alloys was studied experimentally

MOF-derived transition metal alloys have attracted researcher's interest in energy storage devices due to their vast surface area, high porosity, adjustable pore sizes, ease of modification, abundant active sites, and 3D tunable structure. Metal alloys covered with carbon can stabilize conductivity and ease charge accumulation, and they are suitable candidates for electrode materials for supercapacitor