Results 81 to 90 of about 437,426 (252)

Theretofore Highest Efficiency in Vacuum‐Deposited Organic Solar Cells Originating From Triarylamine‐Based Small‐Molecule Donors Containing Fused Heterocycle Units

open access: yesAdvanced Science, EarlyView.
Fused‐ring engineering unlocks record efficiency in vacuum‐deposited organic solar cells. By replacing linear π‐bridges with fused‐ring analogues in triarylamine‐based donors, we achieve enhanced molecular planarity, red‐shift optical absorption, minimize energy loss and optimized phase separation.
Yun‐Fei Li   +13 more
wiley   +1 more source

Tracing the Orbital Motion of the Accreting White Dwarf in EX Hydrae with XRISM/Resolve

open access: yesThe Astrophysical Journal Letters
Measuring the masses of accreting white dwarfs (WDs) is crucial for understanding their evolution and the physics of accretion. High-resolution X-ray spectroscopy can trace the WD motion through Doppler shifts of emission lines formed close to the WD. We
Yuken Ohshiro   +9 more
doaj   +1 more source

Coordinated space-and ground-based monitoring of accretion bursts in a protoplanetary disc: The orbital and accretion properties of DQ Tau★

open access: yesAstronomy & Astrophysics
Multiplicity in pre-main-sequence (PMS) systems shapes circumstellar and circumbinary discs, often resulting in morphological features such as inner cavities, spiral arms, and gas streamers that facilitate mass transfer between the disc and stars ...
Alqubelat Hala   +11 more
doaj   +1 more source

Efficient Adsorption‐Based Direct Air Capture Via Triply Periodic Minimal Surface Architectures

open access: yesAdvanced Science, EarlyView.
Architected triply periodic minimal surface (TPMS) contactors reshape direct air capture by replacing straight‐channel diffusion limits with convection‐enhanced CO2 transport. Chaotic advection thins boundary layers and exposes fast adsorption sites, enabling 70%–75% more fast sites, 114% higher productivity, and 51.8% lower energy consumption than ...
Qingyang Shao   +6 more
wiley   +1 more source

Stochastic Optical Variability and an rms–Flux Relation in the Intermediate Polar EP240309a

open access: yesThe Astrophysical Journal Supplement Series
Magnetic cataclysmic variables provide a natural laboratory for studying how accretion interacts with compact-object magnetospheres and generates stochastic variability.
S.-Y. Wu   +20 more
doaj   +1 more source

Hot carbon-dominated, magnetic, and metal-polluted white dwarfs: Spectroscopic insights from a Gaia machine-learning-selected 500 pc sample

open access: yesAstronomy & Astrophysics
Context. The latest Gaia data release provides astrometric measurements for 1.8 billion sources and low-resolution spectra for 220 million sources, including approximately 100 000 white dwarfs.
García-Zamora Enrique Miguel   +3 more
doaj   +1 more source

Magnetic fields in A stars besides Ap stars

open access: yes, 2014
I review ongoing efforts to understand the incidence of magnetism in intermediate-mass stars that are different from the magnetic Ap stars. This includes the search for magnetic fields in chemically peculiar stars of the Am and HgMn types as well as in ...
Kochukhov, Oleg,
core  

Enhanced Antibacterial Properties of Lyotropic Liquid Crystalline Nanoparticles via Curvature Modulation

open access: yesAdvanced Science, EarlyView.
Lipid nanostructured particles with increasing negative Gaussian curvature progress from vesicles to P‐cubosomes and D‐cubosomes. This curvature hierarchy enhances interaction with bacterial membranes, promotes membrane remodeling and leakage, and potentiates daptomycin activity against MRSA.
Xiangfeng Lai   +10 more
wiley   +1 more source

Implications for compact stars of a soft nuclear equation of state from heavy-ion data [PDF]

open access: yes, 2012
We study the implications on compact star properties of a soft nuclear equation of state determined from kaon production at subthreshold energies in heavy-ion collisions.
Sagert, Irina   +9 more
core   +1 more source

A Modular Standard Operating Procedure for Standardizing Lithium Metal Interfaces

open access: yesAdvanced Science, EarlyView.
A modular standard operating procedure (SOP) is developed to standardize lithium metal interfaces through sequential etching, brushing, and soaking. By transforming poorly controlled lithium surfaces into chemically uniform and structurally regulated interfaces, the framework improves electrochemical reproducibility, interfacial stability, and ...
Wen‐Hsin Chang   +7 more
wiley   +1 more source

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