Over the past decade, metal halide perovskites have been widely employed as the emerging active-materials for technological innovations, and their research has become one of the central goals in the field of energetic materials. Pressure, a new thermodynamic dimension, can tune microstructure, atomi...

In recent years, pressure-induced physical properties of halide perovskites have attracted significant research interests due to their excellent optical and electronic properties. The study of the structural evolution of perovskite under compression is the foundation and key point of all physical pr...

The perovskite oxide BaMO₃ (M being transition metal) has a complex crystal structure and physical properties. This article systematically summarizes the research progress, focusing on the evolution of crystal structure and physical properties during the M element change process, as well as the stru...

Transition metal perovskite materials hold broad prospects for applications in fields such as information technology, energy, and catalysis due to their flexible and diverse crystal structures and rich variety of physical properties. However, the types of transition metal perovskite materials synthe...

ReO₃ with A-site-vacant perovskite structure undergoes sequential pressure-driven structural transformations. Recently, we found that its high-pressure rhombohedral R-Ⅰ phase (space group R$\overline{3}$c) is superconducting with an optimal superconducting transition temperature (T_c) of 17 K via h...

Exploring the high-pressure crystal chemical behaviors of the PO₆ coordinated octahedron is an important basis for understanding the high-pressure chemistry, the possible occurrence in the lower mantle, and the geochemical cycle of the phosphorus element. In this study, NaPO₃, which is isoelectronic...

Mixed-halide perovskites have a variety of excellent photovoltaic properties, including the band gap that is widely tunable with the halogen composition, high photoluminescence quantum yield (PLQY), and so on, making them ideal candidates for the photovoltaic device applications such as solar cells ...

Based on the density functional theory (DFT), first-principles calculations were performed to investigate the electronic structures and optical properties of graphene/MoS₂ heterostructures at several different twist angles. The results indicate that the twisted graphene/MoS₂ heterostructures still p...

In this work, plate-impact experiments, postmortem characterizations and one-dimensional hydrodynamic simulations were conducted to investigate the spall behavior of Cr-Ni-Mo steel under complex shock loading paths. Multi-layer flyers were utilized to generate the complex shock-release-reloading pat...

Triply periodic minimal surface (TPMS) structural material is widely used in many fields as a porous medium with high porosity and high energy absorption efficiency. In this paper, the Gyroid and IWP structures were used as the design elements, and the Sigmoid function was used to construct the cyli...

To study the blast-resistant performance and influence factors of high-toughness steel, dynamic response processes of high-toughness (HT) steel flat and stiffened plates were analyzed by numerical simulations and air-blast experiments. Firstly, air-blast experiments for both HT steel and high-streng...

Natural rock masses often contain free boundaries, which can interfere with directional fracturing blasting. To investigate effects of free boundary on directional fracturing blasting, the caustics method and high-speed photography were used to study the crack-tip stress distribution and propagation...

This article aims to explore the mechanical properties of artificial stones under different conditions. Firstly, dental plaster samples with different ratios (hardness, porosity, powder-to-water ratio, and protein content) were prepared as artificial stones to study the splitting behavior. Secondly,...

Previous studies revealed that gelatin birds show different mechanical behaviors at different impact velocities. In order to solve the problem that the traditional constitutive methods of gelatin bird cannot be universal in different velocity ranges, the tests of 330 g gelatin birds impacting rigid ...

To study the influence of cracks with varying lengths and inclination angles on the strength and failure modes of rock-concrete combination, a numerical model of rock-concrete combination with pre-existing cracks was developed using the particle flow code (PFC). The model underwent calibration by co...

To study the crack extension characteristics and energy evolution law of the rock body with different lengths of single fissure under different confining pressures, the mesoscopic parameters were calibrated by use of the indoor triaxial compression test, and the numerical simulation test of PFC^2D pa...

Hybrid biomimetic structure design, which integrates the internal structure of a variety of biomaterials, is a new strategy for strengthening and toughening materials in recent years. In this work, carbon fiber reinforced epoxy resin was used to design a new type of “staggered-crossed” composite str...

The deformation and energy dissipation mechanism of the aluminum foam sandwich shell under repeated impact loads were investigated by numerical simulation. The effects of radius of curvature, thicknesses distribution of the front/back face sheets, core thickness and impact energy gradient on the rep...