Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1103/physrevb.45.7704 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Symmetry Breaking of FeN4 Moiety via Edge Defects for Acidic Oxygen Reduction Reaction.
Angew Chem Int Ed Engl
January 2025
University of Science and Technology of China, National Synchrotron Radiation Laboratory, 42#, South Road of HeZuoHua, 230029, Hefei, CHINA.
Fe-N-C catalysts, with a planar D4h symmetric FeN4 structure, show promising as noble metal-free oxygen reduction reaction catalysts. Nonetheless, the highly symmetric structure restricts the effective manipulation of its geometric and electronic structures, impeding further enhancements in oxygen reduction reaction performance. Here, a high proportion of asymmetric edge-carbon was successfully introduced into Fe-N-C catalysts through morphology engineering, enabling the precise modulation of the FeN4 active site.
View Article and Find Full Text PDFPiezochromic Luminescence of Pyrene Derivatives Polymorphism around Excimer Forming Processs.
Chemistry
January 2025
Northeastern University, Department of Materials Physics and Chemistry, No.11, Wenhua Road, Lane 3,Heping District, 110819, Shenyang, CHINA.
Pyrene aggregates, as classic luminescent materials, are of great interest from a scientific viewpoint owing to the development of optoelectronic materials. In this study, we designed a compound 1,4,5-triphenyl-2-(pyren-1-yl)-4,5-dihydro-1H-imidazole (IM-PY) which was achieved with two crystalline polymorphs (IMPY-G and IMPY-B). They exhibit the green emission and the blue emission, respectively, both with pyrene serving as the luminescent core.
View Article and Find Full Text PDFMicro- and milli-fluidic sample environments for X-ray analysis in the chemical and materials sciences.
Lab Chip
January 2025
Université Paris-Saclay, CEA, CNRS, NIMBE, LIONS, 91191, Gif-sur-Yvette, France.
X-ray-based methods are powerful tools for structural and chemical studies of materials and processes, particularly for performing time-resolved measurements. In this critical review, we highlight progress in the development of X-ray compatible microfluidic and millifluidic platforms that enable high temporal and spatial resolution X-ray analysis across the chemical and materials sciences. With a focus on liquid samples and suspensions, we first present the origins of microfluidic sample environments for X-ray analysis by discussing some alternative liquid sample holder and manipulator technologies.
View Article and Find Full Text PDFBackground: Annually, approximately 7.6 million individuals experience a new ischemic stroke, and roughly 25% of all ischemic strokes are cardiogenic in origin, carrying a high risk of recurrence, death and disability. To prevent future ischemic strokes, especially in younger individuals, it is crucial to detect and treat direct and indirect cardioembolic sources.
View Article and Find Full Text PDFMid-term outcomes of the modified Dunn procedure for slipped capital femoral epiphysis: results from a north African pediatric hip unit.
J Orthop Surg Res
January 2025
Department of Orthopaedics and Trauma Surgery Faculty of Medicine, Assiut University Hospitals, Assiut, 71515, Egypt.
Background: Slipped Capital Femoral Epiphysis (SCFE) is a prevalent pediatric orthopedic condition. Treatment options range from in situ pinning to various osteotomies, with the Modified Dunn procedure gaining significant attention over the past two decades. However, the suitability of this procedure for different SCFE subtypes and the risk of avascular necrosis (AVN), particularly in moderate and severe cases, remains controversial.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!