Results 71 to 80 of about 280,398 (327)

Al1‐xScxN‐Based Ferroelectric Domain‐Wall Memristors

open access: yesAdvanced Functional Materials, EarlyView.
(a) Conductive atomic force microscopy (CAFM) image of the initial state bidomain structure of the Al0.85Sc0.15N (a) showing an enhanced conductivity of the head‐to‐head domain boundary. (b) CAFM image of the same area after application of several −65 V, 1 s voltage pulses showing lower conductivity of the generated tail‐to‐tail domain walls.
Haidong Lu   +11 more
wiley   +1 more source

Apriti Cielo: the public’s astronomical imagery as a key to evaluate a museum project (Italian original version) [PDF]

open access: yesJCOM: Journal of Science Communication, 2006
An effective communication of astronomy cannot take place without considering the view the general public has on the universe. Through a number of narrative interviews with non-experts, a research was carried out on personal cosmologies, to outline the ...
Stefano Giovanardi
doaj  

Hard X-ray and Soft Gamma Ray Polarimetry with CdTe/CZT Spectro-Imager

open access: yesGalaxies, 2018
CdTe/CZT based spectroscopic two-dimensional (2D)/three-dimensional (3D) imagers when operated in the Compton regime can work as high performance scattering polarimeters, for high-energy astrophysics.
Ezio Caroli   +6 more
doaj   +1 more source

Flux‐Regulated Crystallization of Perovskites Using Machine Learning‐Predicted Solvent Evaporation Rates for X‐Ray Detectors

open access: yesAdvanced Functional Materials, EarlyView.
By integrating machine learning into flux‐regulated crystallization (FRC), accurate prediction of solvent evaporation rates in real time, improving crystallization control and reducing crystal growth variability by over threefold, is achieved. This enhances the reproducibility and quality of perovskite single crystals, leading to reproducible ...
Tatiane Pretto   +8 more
wiley   +1 more source

Apriti Cielo: the public’s astronomical imagery as a key to evaluate a museum project [PDF]

open access: yesJCOM: Journal of Science Communication, 2006
An effective communication of astronomy cannot take place without considering the view the general public has on the universe. Through a number of narrative interviews with non-experts, a research was carried out on personal cosmologies, to outline the ...
Stefano Giovanardi
doaj  

Hot super-Earths stripped by their host stars

open access: yesNature Communications, 2016
Theory predicts a deficit of super-Earth sized planets, which orbit close to their host star. Here, Lundkvist et al. use data from the NASA Kepler mission to show that this deficit is also seen in observations, thereby providing new insight into ...
M. S. Lundkvist   +28 more
doaj   +1 more source

INSA scientific activities in the space astronomy area

open access: yes, 2010
Support to Astronomy operations is an important and long-lived activity within INSA. Probably the best known (and traditional) INSA activities are those related with real-time spacecraft operations: Ground station maintenance and operation (Ground ...
Martinez, Ricardo Perez   +1 more
core   +1 more source

Low‐Symmetry Weyl Semimetals: A Path to Ideal Topological States

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a theoretical framework for realizing ideal Weyl semimetals, where Weyl nodes are well‐isolated at the Fermi level. The approach is exemplified in the low‐symmetry material Cu2SnSe3, which exhibits tunable topological phases, current‐induced orbital magnetization, and a strong circular photogalvanic effect, making it a promising ...
Darius‐Alexandru Deaconu   +3 more
wiley   +1 more source

Representations of celestial coordinates in FITS

open access: yes, 2002
In Paper I, Greisen & Calabretta (2002) describe a generalized method for assigning physical coordinates to FITS image pixels. This paper implements this method for all spherical map projections likely to be of interest in astronomy.
Blaauw   +11 more
core   +1 more source

Astronomy & Astrophysics in ICAD History

open access: yes, 2023
4 pages, 1 figure, to be published in the proceedings of "The 28th International Conference on Auditory Display (ICAD 2023) - Special Session on Astronomical Data Sonification"
openaire   +2 more sources

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