Results 151 to 160 of about 279,307 (327)

Quantifying Advantages of a Moving Mesh in Nuclear Hydrodynamics

open access: yesThe Astrophysical Journal
Many astrophysical explosions, such as type Ia supernovae, classical novae, and X-ray bursts, are dominated by thermonuclear runaway. To model these processes accurately, one must evolve nuclear reactions concurrently with hydrodynamics.
Dillon L. Hasenour, Paul C. Duffell
doaj   +1 more source

Photovoltaic and Photomultiplication Dual‐Mode Near‐Infrared Organic Detectors with Large Dynamic Range for Intensive and Faint Light Sensing

open access: yesAdvanced Science, EarlyView.
A photovoltaic/photomultiplication dual‐mode organic photodetector is developed by integrating two different organic bulk‐heterojunctions, one introduces the photovoltaic effect, and the other triggers photomultiplication charge generation in the stacked device at different voltage polarities.
Xin Hu   +6 more
wiley   +1 more source

5th Workshop of Young Researchers in Astronomy & Astrophysics

open access: gold, 2010
E. Forgács‐Dajka   +2 more
openalex   +1 more source

Astronomy and Astrophysics in the Philosophy of Science

open access: yes, 2015
14 pages, This is a draft of a chapter "Astronomy and Astrophysics'' that has been accepted for publication by Oxford University Press in the forthcoming book "The Oxford Handbook of Philosophy of Science'' edited by Paul Humphreys due for publication in May ...
openaire   +2 more sources

Enhanced Spectral Tunability by Sub‐10 nm Nanogaps in Graphene‐Metal Hybrid Metasurfaces

open access: yesAdvanced Science, EarlyView.
A tunable mid‐infrared metasurface integrating graphene and metal antenna arrays with sub‐10 nm nanogaps is presented, overcoming the ≈20 nm limit of conventional fabrication. The enhanced spectral tuning range and modulation depth are enabled by combining electron‐beam lithography, thin metal deposition, and directional ion milling to precisely define
Fei Han   +8 more
wiley   +1 more source

One‐Size‐Fits‐All: A Universal Binding Site for Single‐Layer Metal Cluster Self‐Assembly

open access: yesAdvanced Science, EarlyView.
A universal strategy enables the formation of single‐layer metal clusters (SLMC) across 21 elements by harnessing vacancy defects as binding sites. Crucially, synthesis occurs without reactive species, preventing site passivation and ensuring strong metal–surface bonding.
Emerson C. Kohlrausch   +16 more
wiley   +1 more source

Enhanced Superconductivity in X4H15 Compounds via Hole‐Doping at Ambient Pressure

open access: yesAdvanced Science, EarlyView.
Hole doping in X4H15 hydrides significantly enhances superconductivity, with X3 + compounds reaching Tc values near 50 K due to strong electron–phonon coupling. A viable route is proposed by doping thermodynamically unstable X43+H${\rm X}^{3+}_4{\rm H}$15 to control the charge‐compensated YZr3H15 compound.
Kun Gao   +5 more
wiley   +1 more source

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