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Reinvestigating atomic ordering in KNaNbOand its impact on ferroelectric properties.
J Phys Condens Matter
January 2025
Physics, Indian Institute of Technology Banaras Hindu University, Indian Institute of Technology (Banaras Hindu University), Department of Physics, Varanasi, Varanasi, Uttar Pradesh, 221005, INDIA.
In the present work, we reinvestigate the atomic ordering of a Pb-free Morphotropic Phase Boundary (MPB) composition viz., K0.5Na0.
View Article and Find Full Text PDFA novel dual filtering mechanism for laser safety eyewear with polycarbonate lens coated by zirconium dioxide and silicon dioxide.
Lasers Med Sci
January 2025
Department of Physics, Shabestar Branch, Islamic Azad University, Shabestar, Iran.
In laser safety eyewear, due to the lack of complete blocking of ultraviolet and infrared rays, we proposed a structure based on one-dimensional multilayer composed of several layers of silicon dioxide and zirconium dioxide materials alternately behind polycarbonate lens. It is find out that the acceptance angle range to the photonic crystal is 0 to 39°. This incident angle range corresponds to the band gap of the photonic crystal.
View Article and Find Full Text PDFProton Accumulation Modulated Surface Potential in Proton Conducting Ceramics Revealed by Near-Ambient Pressure X-ray Photoelectron Spectroscopy.
ACS Appl Mater Interfaces
January 2025
University of Michigan - Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China.
Proton conducting electrochemical cells (PCECs) are efficient and clean intermediate-temperature energy conversion devices. The proton concentration across the PCECs is often nonuniform, and characterizing the distribution of proton concentration can help to locate the position of rate-limiting reactions. However, the determination of the local proton concentration under operating conditions remains challenging.
View Article and Find Full Text PDFPlasmon-Enhanced Fluorescence of Single Extracellular Vesicles Captured in Arrayed Aluminum Nanoholes.
ACS Omega
December 2024
Division of Solid-State Electronics, Department of Electrical Engineering, The Ångström Laboratory, Uppsala University, SE-751 03 Uppsala, Sweden.
Extracellular vesicles (EVs) are nanoparticles encapsulated with a lipid bilayer, and they constitute an excellent source of biomarkers for multiple diseases. However, the heterogeneity in their molecular compositions constitutes a major challenge for their recognition and profiling, thereby limiting their application as an effective biomarker. A single-EV analysis technique is crucial to both the discovery and the detection of EV subpopulations that carry disease-specific signatures.
View Article and Find Full Text PDFPreparation of pH-resistant multicolor thiol fluorescent carbon dot using cysteine and neutral red as precursors and its application in detection and adsorption of apigenin.
Talanta
January 2025
College of Chemistry and Materials Science, Northwest University, Xi'an 710127, China. Electronic address:
Conventional carbon dots (CDs) typically exhibit substantial variations in fluorescence intensity across different pH. This limitation underscores the pressing need for advancements in their stability and performance under diverse environmental conditions. Herein, l-cysteine and neutral red are selected as precursors, and three kinds of CDs, which can emit red, orange, and green fluorescent light (assigned as r-CD, o-CD, g-CD, respectively), are synthesized by simply changing the reaction conditions.
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