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Ternary NASICON-Type NaVMnFe(PO)/NC@CNTs Cathode with Reversible Multielectron Reaction and Long Life for Na-Ion Batteries.
ACS Appl Mater Interfaces
January 2025
Key Laboratory of Low Carbon Energy and Chemical Engineering of Gansu Province, Lanzhou 730050, China.
Na superionic conductor (NASICON)-structure NaMnV(PO) (NVMP) electrode materials reveal highly attractive application prospects due to ultrahigh energy density originating from two-electron reactions. Nevertheless, NVMP also encounters challenges with its poor electronic conductivity, Mn dissolution, and Jahn-Teller distortion. To address this issue, utilizing N-doped carbon layers and carbon nanotubes (CNTs) for dual encapsulation enhances the material's electronic conductivity, creating an effective electron transport network that promotes the rapid diffusion and storage of Na.
View Article and Find Full Text PDFNanoscale Mapping of Magnetic Auto-Oscillations with a Single Spin Sensor.
Nano Lett
January 2025
Max Planck Institute for Solid State Research, Heisenbergstr. 1, Stuttgart, 70569, Germany.
Spin Hall nano-oscillators convert DC to magnetic auto-oscillations in the microwave regime. Current research on these devices is dedicated to creating next-generation energy-efficient hardware for communication technologies. Despite intensive research on magnetic auto-oscillations within the past decade, the nanoscale mapping of those dynamics remained a challenge.
View Article and Find Full Text PDFIntrinsic Solution to the Dilemma between High-Efficiency and External-Field-Free Spin-Orbit Torque Switching Based on Biaxial Devices.
Nano Lett
January 2025
School of Microelectronics, University of Science and Technology of China, Hefei 230026, People's Republic of China.
Spin-orbit torque (SOT) is widely considered to be a fast and robust writing scheme for magnetic random-access memories (MRAMs). However, the requirements of field-free switching and high switching efficiency are often incompatible in SOT devices, placing a critical challenge on its improvement. Here we propose that by utilizing biaxial systems the dilemma between high-efficiency and external-field-free SOT switching can be solved intrinsically.
View Article and Find Full Text PDFRetina-Inspired Flexible Visual Synaptic Device for Dynamic Image Processing.
ACS Appl Mater Interfaces
January 2025
School of Physics, Beihang University, Beijing 100191, China.
Exploiting biomimetic perception of invisible spectra in flexible artificial human vision systems (HVSs) is crucial for real-time dynamic information processing. Nevertheless, the fast processing of motion objects in natural environments poses a challenge, necessitating that these artificial HVSs simultaneously have swift photoresponse and nonvolatile memory. Here, inspired by the human retina, we propose a flexible UV neuromorphic visual synaptic device (NeuVSD) based on GaO@GaN-composited nanowires for dynamic visual perception.
View Article and Find Full Text PDFCanadian Men's Intimate Partner Relationship Break-Ups During COVID-19: Implications for Mental Health Promotion.
Qual Health Res
January 2025
Department of Psychological Medicine, University of Otago, Dunedin, New Zealand.
COVID-19 impacted many men's intimate partner relationships, with distressed and disrupted partnerships consistently featured in commentaries with linkages to mental health challenges. The current study draws from interviews with 23 Canadian-based men, 19-50 years old, who experienced a break-up during COVID-19. Addressing the research question, "What are the connections between masculinities, men's mental health, and intimate partner relationship break-ups during COVID-19?", three thematic findings were derived: (1) Virtually Together and Growing Apart, (2) Mentally Trapped, and Failing Fast and Slow, and (3) Introspections and Moving On.
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