Results 121 to 130 of about 33,003 (219)

Long‐Lived Photoluminescence of Photostable One‐Dimensional Picoperovskites

open access: yesSmall Science, Volume 6, Issue 2, February 2026.
We study one‐dimensional metal halide perovskite crystals encapsulated in single‐wall nanotubes, so‐called picoperovskites, using optical spectroscopy. Polarized micro‐photoluminescence (PL) reveals bright emission from aligned bundles of picoperovskites with clear linear polarization along the bundle axis.
Maximilian Tomoscheit   +8 more
wiley   +1 more source

Topological Polar Textures in van der Waals Moiré Superlattices

open access: yesSmall Structures, Volume 7, Issue 2, February 2026.
Moiré superlattices allow the realization of several novel properties, including the formation of complex topological polarization textures in ultrathin samples consisting of layered 2D materials. This review highlights the rapid progress in this emerging field, both through theory and experiment, discusses the field's potential implications, and draws
Joshua Edwards   +4 more
wiley   +1 more source

Morphological Evolution of Impact Craters and Associated Gravity Anomalies: New Perspectives From Numerical Modeling

open access: yesEarth and Space Science, Volume 13, Issue 2, February 2026.
Abstract Hyper‐velocity impacts on planetary surfaces lead to impact craters whose morphology evolves due to exogenous factors such as atmospheric processes, as well as endogenous factors including tectonic and metamorphism. On Earth, erosion processes driven by climate (fluvial, aeolian, glacial processes) progressively erase these structures, or even
Lounis Ait Oufella   +3 more
wiley   +1 more source

Research on the application of unmanned aerial vehicle aeromagnetic measurement based on rubidium optical pump magnetometer. [PDF]

open access: yesSci Rep
Zhou H   +10 more
europepmc   +1 more source

Poleward Disturbances in Thermospheric Winds During the 3–4 November 2021 Geomagnetic Storm

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 2, February 2026.
Abstract This study focuses on ionosphere‐thermosphere coupling over North America during the 3–4 November 2021 strong geomagnetic storm (Kp 8−). We comprehensively analyze storm‐time ionospheric and thermospheric disturbances using data from ground‐based instruments at Poker Flat, Millstone Hill, and Urbana, as well as satellite observations and model
Jonna Wehmeyer   +4 more
wiley   +1 more source

Differentiating Plumes and Local Torus Segments of Enceladus

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 2, February 2026.
Abstract Enceladus's south polar plumes and their surrounding torus segments (local plasma regions formed by plume material diffusion) are key to understanding its magnetospheric interaction; however, clear observational criteria to distinguish them remain lacking.
Shangchun Teng   +6 more
wiley   +1 more source

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