Results 121 to 130 of about 890,794 (377)
Dual Optical Hyperbolicity of PdCoO2 and PdCrO2 Delafossite Single Crystals
In this work, the hyperbolic response of PdCoO₂ and PdCrO₂ delafossites is investigated for the first time. They exhibit dual hyperbolic regimes, one localized around a phonon absorption in the mid‐infrared spectral region, and the other extending into the visible range.
Salvatore Macis+14 more
wiley +1 more source
Regards sur la nature : place de l’observation dans les textes astronomiques latins
In antiquity, astronomical knowledge came essentially from philosophy, mathematics and logic. One can then question the role given to the observation of phenomena. To answer this question, we chose to analyze some of the demonstrations presented in Latin
Émilie-Jade Poliquin
doaj +1 more source
Autonomous Observations in Antarctica with AMICA
The Antarctic Multiband Infrared Camera (AMICA) is a double channel camera operating in the 2-28 micron infrared domain (KLMNQ bands) that will allow to characterize and exploit the exceptional advantages for Astronomy, expected from Dome C in Antarctica.
Bonoli, Carlotta+13 more
core +2 more sources
Defects Dynamic in Photo‐Excited CeO2 and their Influence on CO2 Photoreduction
X‐ray photoelectron spectroscopy study under light excitation is presented to track the defect dynamic (Ce4+ to Ce3+) in CeO2. Surface enhanced Raman spectroscopy confirmed the key role of Ce3+ states in controlling charge and energy transfer across the CeO2‐dye molecule interface.
Rambabu Yalavarthi+3 more
wiley +1 more source
Druckerangabe am Ende von Band 3: "De l'Imprimerie de L. F. Delatour, 8 Juillet 1771".
openaire +6 more sources
El ushnu y la organización espacial astronómica en la sierra central del Chinchaysuyu
El ushnu inca tuvo gran importancia en la dominación ideológica en los wamani del Chinchaysuyu. Este artículo ofrece nuevas interpretaciones basadas principalmente en evidencias encontradas en Huánuco Pampa y otros tampus de la sierra central. Se propone
José Luis Pino M
doaj +1 more source
Imaging pH in a live rabbit at the surface of a sensor‐coated titanium plate using X‐ray excited luminescent chemical imaging (XELCI). A raster scanning X‐ray beam generates radioluminescence from a spot on the sensor, and the luminescence passes through the tissue and is collected at two wavelengths to determine local pH.
Unaiza Uzair+6 more
wiley +1 more source
Search for possible exomoons with FAST telescope
Our knowledge of the Solar System, encourages us to beleive that we might expect exomoons to be present around some of the known exoplanets. With present hardware and existing optical astronomy methods we shall not be able to find exomoons at least 10 ...
Lukic, Dragan
core +1 more source
Review paper on the field of Astronomy in Antarctica, for publication in The Astronomy and Astrophysics Review.
openaire +4 more sources
Manipulating Ferroelectric Topological Polar Structures with Twisted Light
We demonstrate dynamic control of ferroelectric order in quasi‐2D CsBiNb2O7 using twisted ultraviolet light carrying orbital angular momentum. Our approach harnesses non‐resonant multiphoton absorption and induced strain to modulate topological of ferroelectric polarization textures.
Nimish P. Nazirkar+10 more
wiley +1 more source