Abstract The transfer of chirality from molecules to plasmons is capable amplifying chiroptical information. Here, a molecular‐to‐plasmonic system that uses two different molecular inputs produce plasmonic output reported. This functions as transistor‐analogous chiral amplifier, where the flow information source (helical fibrils) drain (a assembly gold nanorods) regulated by recognition between and gate (amino acids). More importantly, high degree control over evidenced not only quantitative...

Abstract Circularly polarized luminescence (CPL) materials have attracted significant attention owing to their unique luminescent properties and broad range of applications. However, challenges remain, including controlling helical assembly, mitigating aggregation‐caused quenching, balancing quantum yield ( Φ PL ) with g values. Here, the study reports synthesis a novel asymmetric, spiranic O‐organoboranes bearing isoindolyl‐indolenine scaffold (BBI) axial chirality through BINOL...

The effect of the sensitive area two-port resonator configuration on mass sensitivity a Rayleigh surface acoustic wave (R-SAW) sensor was investigated theoretically, and verified in experiments. A theoretical model utilizing 3-dimensional finite element method (FEM) approach established to extract coupling-of-modes (COM) parameters absence presence loading covering electrode structures. COM used simulate frequency response an R-SAW by P-matrix cascading technique. Cascading P-matrixes...

A surface-acoustic-wave (SAW) gas sensor with a low detection limit and fast response for volatile organic compounds (VOCs) based on the condensate-adsorption effect is developed. In this chromatography (GC) column acts as separator element dual-resonator oscillator detector element. Regarding surface effective permittivity method, mechanism analysis, which relates effect, performed, leading to performance prediction prior fabrication. New designs of SAW resonators, act feedback oscillator,...

Design, fabrication and experiments of a miniature particulate matter (PM) 2.5 sensor based on the surface acoustic wave (SAW) technology were proposed. The contains virtual impactor (VI) for particle separation, thermophoretic precipitator (TP) PM2.5 capture SAW chip mass detection. separation performance VI was evaluated by using finite element method (FEM) model deposition characteristic in TP obtained analyzing theory. Employing coupling-of-modes (COM) model, low loss high-quality...

A new micro gyroscope based on the surface acoustic wave (SAW) gyroscopic effect was developed. The SAW is investigated by applying effective permittivity method in regime of small ratios rotation velocity and frequency SAW. theoretical analysis indicates that larger shift observed from rotated X-112°Y LiTaO3 substrate. Then, two delay lines with reverse direction an operation 160 MHz are fabricated a same chip as feedback oscillators, which act sensor element. single-phase unidirectional...

We study how choices of input point cloud coordinate frames impact learning manipulation skills from 3D clouds. There exist a variety frame to normalize captured robot-object-interaction find that different have profound effect on agent performance, and the trend is similar across backbone networks. In particular, end-effector target-part achieve higher training efficiency than commonly used world robot-base in many tasks, intuitively because they provide helpful alignments among clouds time...

This paper presents a novel approach for PM <inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2.5</inf> monitoring by using the Surface Acoustic Wave (SAW) based sensor. To analyze response mechanism of SAW sensor, mass loading effect from layer to propagation was described solving coupled electromechanical field equation in layered structure and surface effective permittivity (SEP). The dispersion curve along fused silicon dioxide settled ST-X...

Abstract Multimodal upconversion and downshifting circularly polarized luminescent materials hold significant potential for optical anticounterfeiting applications due to their exceptional chiroptical properties. However, constructing these within a single emitter remains challenging. In this study, conceptual model of multimodal upconversion/downshifting luminescence (CPL) is realized nanoparticle. A new type nanoparticles with multilayer core–shell architecture fabricated, capable...

The design and performance of a novel wireless passive gyroscope based on the surface acoustic wave (SAW) gyroscopic effect 128° YX LiNbO3 substrate utilizing two parallel reflective delay lines with opposite directions is described. A theoretical model dealing using effective permittivity method was established. coupling modes (COM) used to determine optimal parameters SAW devices prior fabrication. sensor towards external applied rotation evaluated by precise rate table referring network...

Theoretical calculations have been performed on the temperature effects propagation characteristics of Love waves in layered structures by solving coupled electromechanical field equations, and optimal design parameters were extracted for stability improvement. Based theoretical analysis, excellent coefficient frequency (Tcf) fabricated wave devices with guide layers SU-8/SiO2 ST-90°X quartz substrate is evaluated experimentally as only 2.16 ppm.

This paper presented a surface acoustic wave (SAW) based particulate matter (PM) 2.5 monitor, which consisted of SAW dual-resonator oscillator, thermophoresis unit and virtual impactor. The structure optimization for improving the performance sensor by considering particle distribution deposited on detector was analyzed verified in experiments. size micro-channel obtained Talbot formula movement particles to simulated using finite element method (FEM). Based theoretical results, fabricated...

This paper presents some advances in polymer-coated surface acoustic wave (SAW) gas sensor research towards to organophosphorous compounds detection relating the response mechanism analysis by using new chemically interactive materials and deposition techniques, SAW oscillator with superior frequency stability, which are illustrated discussed detail. A 300MHz based delay-line-oscillator coated PECH(Poly(epichloro-hydrin)) for HD (mustard) was performed, which, a single phase unidirectional...

Open-world 3D generation has recently attracted considerable attention. While many single-image-to-3D methods have yielded visually appealing outcomes, they often lack sufficient controllability and tend to produce hallucinated regions that may not align with users' expectations. In this paper, we explore an important scenario in which the input consists of one or a few unposed 2D images single object, little no overlap. We propose novel method, SpaRP, reconstruct textured mesh estimate...

Abstract Multimodal upconversion and downshifting circularly polarized luminescent materials hold significant potential for optical anticounterfeiting applications due to their exceptional chiroptical properties. However, constructing these within a single emitter remains challenging. In this study, conceptual model of multimodal upconversion/downshifting luminescence (CPL) is realized nanoparticle. A new type nanoparticles with multilayer core–shell architecture fabricated, capable...

Gas detection apparatus based on SAW/GC was gained by combining Surface Acoustic Wave (SAW) gas sensor with chromatography (GC). Because of its features as high sensitivity, more detectable types and resolution crossed-interference, the is perfect for composition analysis in complicated atmosphere background especially. In this paper, main influence factors sensitivity limit instrument were analyzed firstly. Then response mechanism, SAW detector chromatographic separation system introduced...

The comfort level of electric vehicles is much higher than fuel-powered vehicles. Additionally, have lower energy consumption and emit zero harmful gases during operation, almost resulting in pollution. Therefore, a broader development prospect. power battery system, which serves as the important source for vehicles, plays crucial role safety vehicle itself. During charging process, excessive current can cause significant impact on relays rectifier devices. reasonable effective pre-charging...

In the detection of small size mass loading, such as a single cell, micro droplet or an aerosol particle, sensors with longitudinally coupled surface acoustic wave resonator (LC-SAWR) structure can hardly avoid waveform distortions. The relative loading to sensitive detector is main factor affecting response LC-SAWR. smaller size, worse distortion. order influences from loading’s in this paper, transversely SAW (TC-SAWR) was proposed achieve high performance sensing loadings. For design and...

In order to accurately investigate the disturbance of complex distributed mass loading on surface acoustic wave (SAW) propagation characteristics, two-dimensional coupling-of-modes (2-D COM) theory and finite element method (FEM) were used simulate responses SAW sensors. By using PDE mode FEM software, four resonators with loads in different distribution patterns modeled. Also, we fabricated measured a series accordingly. The results showed that 2-D COM combined was able transverse modes...