Results 231 to 240 of about 7,457 (285)

Coupling of Er3+ ions and Plasmonic Modes in Vertical Nanocavities for Spectral Broadening in Telecom Bands

open access: yesAdvanced Materials Technologies, EarlyView.
Left: Illustration of the glass & nanostructures system and the NIR emission at 1.5 µm, where the colored spheres represent the Er3+ ions within the doped glass. Right: Representation of the Stark splitting of the 4I13/2 and 4I15/2 manifolds of the Er3+, illustrating how the plasmonic modes facilitate the emission from the broader Stark manifold ...
Gaston Lozano Calderón   +5 more
wiley   +1 more source

Bidirectional Process Prediction in the Laser‐Induced‐Graphene Production Using Blackbox Deep Learning

open access: yesAdvanced Materials Technologies, EarlyView.
This study shows that a lightweight blackbox neural network provides a practical, cost‐effective solution for bidirectional process prediction in laser‐induced graphene (LIG) fabrication. Achieving high predictive performance with minimal overhead, the approach democratizes machine learning (ML) for resource‐limited environments.
Maxim Polomoshnov   +3 more
wiley   +1 more source

Mechanism of WS2 Nanotube Formation Revealed by in Situ/ex Situ Imaging. [PDF]

open access: yesACS Nano
Kundrát V   +11 more
europepmc   +1 more source

Broadband Directional Thermal Radiation with Asymmetric Femtosecond Laser‐Processed Surfaces

open access: yesAdvanced Optical Materials, EarlyView.
Femtosecond laser processing is used to scalably create self‐organized angled microstructures which exhibit highly directional emissivity that occurs for all polarizations. Laser parameters are tuned to alter the surface features, control the direction of emission, and enhance the directional emissivity. Electromagnetic modeling is performed to analyze
Andrew Butler   +8 more
wiley   +1 more source

Structural Modulation of Charge Transfer in Donor–Acceptor Systems: Effects of Donor Type and Connectivity

open access: yesAdvanced Optical Materials, EarlyView.
A coherent phthalimide acceptor platform with planar (Cz—carbazole) and spiro‐type (SAF—spiroacridine fluorene) donors enables systematic tuning of donor geometry and coupling, driving the evolution of excited‐state topology from classical CT‐TADF and fluorescence/RTP to CT‐driven and LE‐assisted TADF with OLED efficiencies ≈ 36%.
Christopher Anton Wallerius   +8 more
wiley   +1 more source
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Perfection Perfected

Novum Testamentum, 2015
Hebrews evinces the linked exegetical aporiae of, on the one hand, tension between the asserted perfection of the believer and exhortations to further perfection and, on the other, a similar tension between Christ’s exalted, preexistent nature and claims about his need for further perfection during his earthly life.
openaire   +2 more sources

Perfect pitch

American Journal of Medical Genetics, 1988
AbstractThirty‐five subjects with perfect pitch, representing 19 families, were studied with a Perfect Pitch Questionnaire, which provided information on note‐recognition capacity and musical exposure and training, as well as demographic characteristics. Perfect pitch was found to predominate in females and was detected at a very early age.
Joseph Profita   +3 more
openaire   +2 more sources

Perfect Digraphs

Journal of Graph Theory, 2014
AbstractThe clique number of a digraph D is the size of the largest bidirectionally complete subdigraph of D. D is perfect if, for any induced subdigraph H of D, the dichromatic number defined by Neumann‐Lara (The dichromatic number of a digraph, J. Combin. Theory Ser. B 33 (1982), 265–270) equals the clique number .
Andres, Stephan Dominique   +1 more
openaire   +2 more sources

Perfect Modules

Acta Mathematica Hungarica, 1998
The author generalizes results of \textit{E. A. Mares} [Math. Z. 82, 347-360 (1963; Zbl 0131.27401)] and \textit{R. Ware} [Trans. Am. Math. Soc. 155, 233-256 (1971; Zbl 0215.09101)], namely he extends the concept of perfectness to modules which are not necessarily projective. Let \(M\in\text{mod-}R\), where \(R\) is an associative ring with \(1\neq 0\)
openaire   +2 more sources

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