Results 71 to 80 of about 233,898 (339)
Modelling the spectral energy distribution of galaxies from the ultraviolet to submillimeter [PDF]
, 2002 We present results from a new modelling technique which can account for the observed optical/NIR - FIR/submm spectral energy distributions (SEDs) of normal star-forming galaxies in terms of a minimum number of essential parameters specifying the star ...
Popescu, Cristina C., Tuffs, Richard J.
core +1 more source
The evolution of galaxy formation
, 2011 Our history of understanding galaxy formation could be traced through the development of individual ideas. A cynic might be tempted to suggest that new catchphrases are developed at a faster rate than genuine progress is made.Comment: 10 pages, Plain TeX,
Baugh +20 more
core +1 more source
Advanced Materials, EarlyView.Intense single‐cycle THz electric‐field pulses enable ultrafast control of emergent electronic and magnetic states at LaNiO3/CaMnO3 interfaces. Combined X‐ray and optical probes reveal sub‐picosecond demagnetization driven by spin‐polarized currents and slower magnetoelastic dynamics linked to spin–lattice coupling.
Abigail M. Derrico +15 more
wiley +1 more source
Bibliography of the works by Piotr Flin (1945–2018), an astronomer and exact sciences historian
Studia Historiae Scientiarum, 2018 The bibliography presents the list of publications by Piotr Flin (1945–2018), an astronomer and exact sciences historian. This study presents a list of two hundred and fifty (including two hundred and forty-three separate) publications of the late ...
Michał Kokowski
doaj +3 more sources
Maya records of planetary conjunctions in Dresden Codex [PDF]
Serbian Astronomical JournalOld Mayas designed a very complicated calendar, and they also recorded important historical events and astronomical phenomena. Dresden Codex (DC), one of the four preserved Mayan hieroglyphic literal legacies, contains many of these, covering ...
Vondrák J., Böhm V., Böhm B.
doaj +1 more source
Asymmetry of the Ferroelectric Phase Transition in BaTiO3
Advanced Materials, EarlyView.Phase transitions are typically assumed to behave identically in forward and reverse. This work shows that in the ferroelectric material barium titanate this is not true: heating drives an abrupt, first‐order jump, while cooling gives a smooth, continuous change.
Asaf Hershkovitz +14 more
wiley +1 more source
Advanced Materials Interfaces, EarlyView.The N concentration in an epitaxial VN bilayer is tailored from overstoichiometric V0.49N0.51 to understoichiometric V0.56N0.44. Based on ab initio, diffraction, and microscopy data, the overstoichiometric V0.49N0.51 layer contains V vacancies, N Frenkel pairs, and a high density of dislocations.
Marcus Hans +7 more
wiley +1 more source
Intrigue and potential of space exploration [PDF]
A brief history of astronomy is presented. A chronology of events in the space program is summarized. The possibilities of interplanetary exploration are postulated.
Losh, H.
core +1 more source
MXene‐Coated 3D Printed Horn Antennas for Ku Frequency Band
Advanced Materials Technologies, EarlyView.An additive manufacturing approach to 3D printing horn antennas and coating them with Ti3C2Tx MXene is proposed. Rapid fabrication of lightweight, high‐performance antennas operating in the Ku‐band (12.4–18 GHz) has been demonstrated. The MXene‐coated antennas exhibit comparable electromagnetic performance to conventional, costly aluminum ones, with ...
Zahra Sarpanah Sourkouhi +3 more
wiley +1 more source
Advanced Optical Materials, Volume 13, Issue 8, March 13, 2025.This article presents a hybrid metal‐dielectric metasurface in transmission mode for mid‐infrared (MIR) spectroscopy. Composed of germanium on aluminium cylinders atop a calcium fluoride substrate, the metasurface achieves 80% transmission efficiency at λ = 2.6 µm with a narrow full‐width‐half‐maximum of 0.4 µm.
Amr Soliman +5 more
wiley +1 more source