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High spin-orbit torque efficiency induced by engineering spin absorption for fully electric-driven magnetization switching.
Mater Horiz
January 2025
School of Materials Science and Engineering, Key Laboratory of Advanced Materials and Devices for Post-Moore Chips, Ministry of Education, University of Science and Technology Beijing, Beijing 100083, China.
Realizing spin-orbit torque (SOT)-driven magnetization switching offers promising opportunities for the advancement of next-generation spintronics. However, the relatively low charge-spin conversion efficiency accompanied by an ultrahigh critical switching current density () remains a significant obstacle to the further development of SOT-based storage elements. Herein, spin absorption engineering at the ferromagnet/nonmagnet interface is firstly proposed to achieve high SOT efficiency in Pt/Co/Ir trilayers.
View Article and Find Full Text PDFModeling Local Aerosol Surface Environments: Clustering of Pyruvic Acid Analogs, Water, and Na, Cl Ions.
ACS Omega
January 2025
Department of Chemistry, Aarhus University, Langelandsgade 140, Aarhus C, Aarhus 8000, Denmark.
Pyruvic acid is an omnipresent compound in nature and is found both in the gas phase and in the particle phase of the atmosphere as well as in aqueous solution in the hydrosphere. Despite much literature on the photochemical degradation and stability of pyruvic acid in different chemical environments, the study of simultaneous interactions between gas-phase pyruvic acid or similar carboxylic acids with water and ions is not well-understood. Here, we present a study of microhydrated molecular clusters containing pyruvic acid and the structurally analogous carboxylic acids lactic acid, propionic acid, and 2,2-dihydroxypropanoic acid by probing geometries, binding free energies, hydrate distributions, as well as their infrared (IR) absorption spectra.
View Article and Find Full Text PDFResonantly Enhanced Hybrid Wannier-Mott-Frenkel Excitons in Organic-Inorganic Van Der Waals Heterostructures.
Adv Mater
January 2025
Key Laboratory of Luminescence and Optical Information, Ministry of Education, Institute of Optoelectronic Technology, Beijing Jiaotong University, Beijing, 100044, China.
Hybrid excitons formed via resonant hybridization in 2D material heterostructures feature both large optical and electrical dipoles, providing a promising platform for many-body exciton physics and correlated electronic states. However, hybrid excitons at organic-inorganic interface combining the advantages of both Wannier-Mott and Frenkel excitons remain elusive. Here, hybrid excitons are reported in the copper phthalocyanine/molybdenum diselenide (CuPc/MoSe) heterostructure (HS) featuring strong molecular orientation dependence by low-temperature photoluminescence and absorption spectroscopy.
View Article and Find Full Text PDFDosing and route of administration of clindamycin given in combination with rifampicin.
Clin Microbiol Infect
January 2025
Université Paris Cité and Université Sorbonne Paris Nord, Inserm, IAME, F-75018 Paris, France; Unité Fonctionelle de Pharmacologie, GHU Paris Seine Saint-Denis, Assistance Publique-Hôpitaux de Paris (APHP), Université Sorbonne Paris Nord, Bondy, France.
Objectives: The aim of the present study was to develop a PK interaction model of intravenous (IV) and oral clindamycin when combined with rifampicin, and to determine whether appropriate clindamycin concentrations could be achieved for different doses and administration routes (oral, intermittent and continuous infusion) of clindamycin.
Methods: Five hundred and eighteen plasma samples were prospectively obtained from 124 patients treated for bone and joint infections. Population PK analysis was performed using Monolix software.
SiO-based inorganic nanofiber aerogel with rapid hemostasis and liver wound healing functions.
Acta Biomater
January 2025
State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, P.R. China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, P. R. China. Electronic address:
Non-compressible hemostasis and promoting tissue healing are important in soft tissue trauma repair. Inorganic aerogels show superior performance in rapid hemostasis or promoting tissue healing, but simultaneously promoting non-compressive hemostasis and soft tissue healing still remains a challenge. Herein, SiO-based inorganic nanofiber aerogels (M@SiO, M=Ca, Mg, and Sr) were prepared by freeze-drying the mixture of bioactive silicates-deposited SiO nanofibers and SiO sol.
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