Abstract X‐ray flat‐panel detectors are widely used for nondestructive detection of internal information in medical radiography and industrial applications. However, a persisting challenge is the application on highly curved 3D objects to realize flexibility storage fabrication flexible large‐area detectors. This study demonstrates halide‐based double perovskite Cs 2 Na 0.9 Ag 0.1 LuCl 6 :Dy 3+ by hydrothermal reaction. The as‐prepared crystals exhibit afterglow features through co‐doping...

Abstract Scintillators are widely used for nondestructive testing, nuclear medicine imaging, space exploration and security inspection. Recently, lead halide perovskite scintillation crystals have been brought into focus due to their effective atomic number, fast decay time, strong luminous efficiency, tunable band gap. However, application is limited by toxicity. Here we report that Ce‐doping can increase sensitivity in lead‐free double (Cs 2 NaTbCl 6 ) X‐ray detection imaging. The...

Abstract Scintillators with high light yield, spatial resolution, and detection sensitivity are desirable for X‐ray imaging. Howerer, it remains challenging to improve the yield radiation capability of alkali metal rare‐earth fluoride (ALnF 4 ). Herein, a type Cu 2+ ion heterovalent co‐doped LiLuF :Tb,Cu microcrystalline scintillation material persistent, thermostimulated luminescence is obtained by defect engineering. The codoping strategy not only increases radioluminescence (RL)...

Abstract Scintillation materials play a significant role in the exploration of extreme space environments and high‐energy physics. Nevertheless, due to prevalence thermal quenching, most traditional scintillators are not capable stable X‐ray imaging at high‐temperature working mode. In this work, Ce 3+ Tb ions successfully co‐doped into Cs 2 NaGdCl 6 double perovskites (DPs) via solvothermal method, exhibiting unusual thermally enhanced scintillation performance. Specifically,...

Scintillation semiconductors play increasingly important medical diagnosis and industrial inspection roles. Recently, two‐dimensional (2D) perovskites have been shown to be promising materials for X‐ray imaging, but they are mostly used in low‐energy (≤130 keV) regions. Direct detection of MeV X‐rays, which ensure thorough penetration the thick shell walls containers, trucks, aircraft, is also highly desired practical applications. Unfortunately, scintillation high‐energy currently scarce....

Semiconductor-based X-ray detectors with low detectable thresholds become critical in medical radiography applications. However, their performance is generally limited by intrinsic defects or unresolved issues of materials, and developing a novel scintillation semiconductor for low-dose detection highly urgent objective. Herein, high-quality rare-earth iodate Tm(IO3 )3 single crystal grown through low-cost solution processing reported wide bandgap 4.1 eV large atomic number 53.2. The roles...

Scintillation materials have been widely used in various fields, such as medical diagnosis and industrial detection. Chalcogenides the potential to become a new generation of high-performance scintillation due their high effective atomic number good resistance radiation damage. However, research on application detection is currently very scarce. Herein, single crystals rare earth ion-doped ternary chalcogenides NaGaS2/Eu were grown by high-temperature solid-phase method. It exhibits unique...

We obtained metal iodates scintillators with high X-ray response and scintillating films sensitivity imaging spatial resolution.

The strategy of introducing large organic cations into three-dimensional perovskites could reduce the dimensionality to form quasi-two-dimensional (quasi-2D) perovskites, resulting in increased stability and reduced detection limits due less ion migration. Herein, a quasi-2D perovskite single crystal (BDA)(MA)2Pb3Br10 (BDA = NH3C4H8NH3, MA CH3NH3) with layered structure was grown by temperature-cooling solution method. X-ray detector based on has sensitivity as high 1984 μC Gy–1 cm–2 at 55.6...

Radiographic screens are widely used in high energy physics, national defense, aviation, radiodynamic therapy and medical imaging due to their scintillation materials that can transform high-energy particles or rays into ultraviolet (UV) visible light other signals. In recent years, lanthanide doped fluoride nanocrystals (NCs) have attracted much attention excellent optical properties stability. this work, multiple lanthanide-doped LiLuF

Materials exhibiting mechanoluminescence (ML) are a class of smart materials capable mechanical-to-light energy conversion. Thus, ML have been widely used in various electronic applications such as sensors, security systems, human-machine interfaces, and harvesting systems. Herein, we report centrosymmetric semiconductor host material family MGa2S4 (M = Ca, Sr), which features in-layered structures constructed with unique distorted bi-tetrahedral [Ga2S2S4/2] lattice units. It exhibited...

(Tb 1− x Ce ) 3 Sc 2 Al O 12 ceramics exhibited good optical quality and high Verdet constants, were successfully prepared optimised by doping.

Metallic mesh is particularly advantageous for electromagnetic interference shielding in optical transparent devices. In this letter, we propose an equivalent period method (EPM) to achieve fast and effective effectiveness (SE) simulation multi-ring metallic meshes under various rotation angles, experimental results indicate that a clear SE difference observed with the of verify validity EPM. The can be obtained different angles by EPM, calculated combining known evaluation models. role...

A study of the radiation detection properties Cs 2 NaScCl 6 :Sm and imaging flexible scintillation films.

A promising candidate for X‐ray detection is layered hybrid double perovskites (LHDPs) with excellent structural stability, but their sensitivity generally limited by unsatisfactory interlayer charge transport. Herein, employing one ethylenediamine (EDA) chain as a inducer, we successfully obtain unusual Dion‐Jacobson (DJ) phase LHDPs, (EDABr)4AgBiBr8 and (EDABr)4CuBiBr8, featuring Ruddlesden‐Popper‐like (RP‐like) interlayer. Thanks to the bridging of bromine anions, organic cations are...

Herein, Gd 3+ co-doping has been found to improve the scintillation properties of LiLuF 4 :Eu microcrystals (MCs). And film based on :Eu,Gd MCs exhibits outstanding imaging performance with a high spatial resolution 14.8 LP mm −1 .

A promising candidate for X‐ray detection is layered hybrid double perovskites (LHDPs) with excellent structural stability, but their sensitivity generally limited by unsatisfactory interlayer charge transport. Herein, employing one ethylenediamine (EDA) chain as a inducer, we successfully obtain unusual Dion‐Jacobson (DJ) phase LHDPs, (EDABr)4AgBiBr8 and (EDABr)4CuBiBr8, featuring Ruddlesden‐Popper‐like (RP‐like) interlayer. Thanks to the bridging of bromine anions, organic cations are...