Results 61 to 70 of about 408,744 (292)

The variation of galactic interstellar extinction in the ultraviolet

open access: yesThe Astrophysical Journal, 1984
It has been found that the wavelength dependence of interstellar extinction is not the same for all stars in the Galaxy. The present investigation is concerned with a further demonstration of the degree of variation of interstellar extinction in the UV, taking into account new extinction measurements toward 29 early-type stars.
A. N. Witt, R. C. Bohlin, T. P. Stecher
openaire   +1 more source

JackVJohnson/Genome-size-extinction-risk-FE: Genome-size-extinction-risk-FE

open access: yes, 2022
Code and data for "Genome size does not influence extinction risk in the world's amphibians" published in Functional Ecology ...
JackVJohnson
core   +1 more source

Pulsed Laser‐Assisted Phase Engineering of Multimetallic Colloidal Nanocrystals With Complex Compositions

open access: yesAdvanced Materials, EarlyView.
The engineering of colloidal nanocrystals with complex compositions has emerged as a highly active area of research within nanomaterials science. This review covers key aspects of colloidal solid‐solution nanocrystal formation using pulsed laser irradiation.
Marina T. Candela   +4 more
wiley   +1 more source

The ultraviolet interstellar extinction curve in the Pleiades

open access: yesThe Astrophysical Journal, 1981
The wavelength dependence of ultraviolet extinction in the Pleiades dust clouds has been determined from IUE observations of HD 23512, the brightest heavily reddened member of the Pleiades cluster. There is evidence for an anomalously weak absorption bump at 2200 A, followed by an extinction rise in the far ultraviolet with an essentially normal slope.
A. N. Witt, R. C. Bohlin, T. P. Stecher
openaire   +1 more source

Polarization and extinction by aligned grains [PDF]

open access: yes, 1989
Correlations between ultraviolet extinction and visual polarization are studied. No correlations are found for 272 sampled stars.
Matsumura, Masafumi, Seki, Munezo
core  

Moiré Phase Mapping in Twisted Bilayer Liquid Crystals with Reconfigurable Light Polarization States

open access: yesAdvanced Materials, EarlyView.
Twisted bilayer liquid crystals are developed by vertical stacking assembly of two liquid crystals having designer domains and optical properties. These moiré‐symmetry, twisted liquid crystals demonstrate reconfigurable polarization states, moiré patterns and phases controlled by twist angles, providing a route to design active optical devices for ...
Jordan A. Wilson   +7 more
wiley   +1 more source

The Panchromatic Hubble Andromeda Treasury, VII: the steep mid-ultraviolet to near-infrared extinction curve in the central 200 pc of the M31 bulge [PDF]

open access: yes, 2014
We measure the extinction curve in the central 200 pc of M31 at mid-ultraviolet to near-infrared wavelengths (from 1928 Å to 1.5 μm), using Swift/UVOT and Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3)/Advanced Camera for Surveys (ACS ...
Saha, Abhijit   +11 more
core   +1 more source

Spectrally Coordinated Plasmonic–Photothermal Photocatalysts for Mineralization of Mixed Indoor VOCs Under White LED Illumination

open access: yesAdvanced Materials, EarlyView.
A plasmonic–photothermal–photocatalytic hybrid comprising Cu(II)‐grafted TiO2, yolk–shell Au@SiO2, and reduced graphene oxide sheets (CuT/AuSi‐GS) harvests full‐spectrum white light‐emitting diode (LED) light via complementary photocatalytic oxidation, localized surface‐plasmon‐resonance‐induced electric‐field enhancement, and photothermal acceleration.
Minhyung Lee   +10 more
wiley   +1 more source

Spectral Selective and Low‐Noise Thin‐Film Organic Photodetectors Enabled by Electric‐Field Engineering

open access: yesAdvanced Materials, EarlyView.
Molecular doping redistributes the internal electric field in organic photodetectors, providing a new degree of freedom to spatially control carrier transport and collection. Simulations and experiments reveal distinct transport pathways for injected and photogenerated carriers, enabling low dark current under reverse bias and wavelength‐selective ...
Jingwei Yi   +15 more
wiley   +1 more source

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