Results 41 to 50 of about 62,885 (100)

Ultraviolet HST Observations of the Jet in M87

open access: yes, 2005
We present new ultraviolet photometry of the jet in M87 obtained from HST WFPC2 imaging. We combine these ultraviolet data with previously published photometry for the knots of the jet in radio, optical, and X-ray, and fit three theoretical synchrotron ...
Christopher Z. Waters   +6 more
core   +1 more source

Comparison of the Performance of Fluorescent, Phosphorescent, and TADF Luminophores for Explosives Sensing

open access: yesAdvanced Sensor Research, EarlyView.
Both singlet and triplet populations of the TADF compound 4CzIPN are quenched upon interaction with dinitrotoluene by photoinduced electron transfer. However, their quenching rate is different, with the triplet excitons being more efficiently quenched due to a combination of their longer lifetime and larger population.
Michele Duarte Tonet   +2 more
wiley   +1 more source

Saturnian kilometric radiation: Source locations [PDF]

open access: yes
The surce locations of both polariation components of the saturn kilometer wavelength radiation were deduced using Voyager 1 and Voyager 2 planetary radio astronomy data and assumptions about radiation beam geometry. Radio source footprints were compared
Desch, M. D., Kaiser, M. L.
core   +1 more source

Ultraviolet astronomy with small space telescopes [PDF]

open access: yes, 2017
After describing the present situation with astronomy in the ultraviolet (UV), reviewing a few past and proposed future missions, we present options to develop space missions that have been realized for modest costs.
Balabanov, V.   +5 more
core   +1 more source

Enhancing Voltage Tolerance of CsFA Perovskite‐Based Rectifying Diodes Through Ionic Liquid Incorporation

open access: yesAdvanced Sustainable Systems, EarlyView.
CsFAPbI3 perovskite diodes show superior low‐voltage rectification. Ionic liquid incorporation suppresses ion migration and enhances voltage tolerance, enabling durable performance for AC–DC conversion and other optoelectronic devices. Abstract Metal halide perovskites have gained significant attention owing to their remarkable semiconductor properties
Hiromu Hamazaki   +10 more
wiley   +1 more source

Evaluating the Resistance of Bifacial Perovskite Photodetectors to Xenon Ion Irradiation

open access: yesAdvanced Science, EarlyView.
Bifacial perovskite photodetectors maintain high efficiency and stability after 231 MeV xenon ion irradiation. Key photodetector parameters remain nearly unchanged at low fluence (1010 nucleons cm−2) and show only moderate degradation at high fluence (1011 nucleons cm−2), highlighting their strong radiation tolerance and suitability for optoelectronic ...
Yerassyl Yerlanuly   +5 more
wiley   +1 more source

Heterointerface‐Functionalized Photoelectric Response of Metal‐Oxide Schottky Photodiode for Intelligent Fire Detection

open access: yesAdvanced Science, EarlyView.
A heterointerface‐functionalized Schottky photodiode (HF‐SPD) is developed to explore the photoelectric capabilities of low‐temperature oxide semiconductors. Besides the remarkable UV detection capability, the bias‐tunable photo response endows HF‐SPD with the unique wavelength selectivity.
Yuyang Cai   +13 more
wiley   +1 more source

International Ultraviolet Explorer (IUE) Post Launch Report 2 [PDF]

open access: yes
The International Ultraviolet Explorer (IUE), an Explorer class ultraviolet astronomy mission, is an international cooperative program between the United States, the United Kingdom (UK), and the European Space Agency (ESA) which provides for a single ...

core   +1 more source

Reversible Modification of Rashba States in Topological Insulators at Room Temperature by Edge Functionalization

open access: yesAdvanced Science, EarlyView.
The Rashba edge states at the step edges of Bi2Se3 display switching behavior, according to the functionalization and defunctionalization of step edges with Se atoms that are achieved by annealing in UHV and Se flux conditions, respectively. Abstract Quantum materials with novel spin textures from strong spin‐orbit coupling (SOC) are essential ...
Wonhee Ko   +9 more
wiley   +1 more source

CHISL: The Combined High-resolution and Imaging Spectrograph for the LUVOIR Surveyor

open access: yes, 2016
NASA is currently carrying out science and technical studies to identify its next astronomy flagship mission, slated to begin development in the 2020s. It has become clear that a Large Ultraviolet/Optical/IR (LUVOIR) Surveyor mission (primary diameter 12
Fleming, Brian   +2 more
core   +1 more source

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