Results 101 to 110 of about 9,154 (200)

Multifunctional Chiral Halide Perovskites: Advancing Chiro‐Optics, Chiro‐Optoelectronics, and Spintronics

open access: yesAdvanced Science, Volume 12, Issue 34, September 11, 2025.
This review spotlights key advances in chiral halide perovskite materials and devices, covering device architectures, fabrication methods, and emerging applications like circularly polarized light functions, neuromorphic computing, and spintronics. It explores structure‐property relationships and chirality transfer mechanisms, discusses challenges in ...
Qi Liu, Hui Ren, Qi Wei, Mingjie Li
wiley   +1 more source

Assessment of Satellite Altimetric and Compact Polarimetric SAR Parameters Over Early Spring Snow-Covered Landfast Sea Ice in the Canadian Arctic

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The snow cover on first-year sea ice is a critically underobserved parameter in the Arctic sea ice system, recognized by the World Meteorological Organization as an Essential Climate Variable due to its influence on energy exchange between the atmosphere
Hoi Ming Lam   +5 more
doaj   +1 more source

Submillimeter polarization and variability of quasar PKS 1830-211

open access: yes, 2018
Polarization from active galactic nuclei is interpreted as a signpost of the role of magnetic fields in the launch and collimation of their relativistic radio jets.
Marti-Vidal, I., Muller, S.
core   +1 more source

A Goniometric System for Photometric and Polarization Measurements of Planetary Regolith Analogs

open access: yesEarth and Space Science, Volume 12, Issue 9, September 2025.
Abstract The Planetary Surface Texture Laboratory at the Johns Hopkins University Applied Physics Laboratory is a facility for the study of the photometric and polarization behavior of regolith analogs using an ∼1.5‐m‐radius arc goniometer system. This system characterizes the photometric and polarization response of granular materials (planetary ...
Lizeth O. Magaña   +9 more
wiley   +1 more source

Shedding new light on the Crab with polarized X-rays

open access: yesScientific Reports, 2017
Strong magnetic fields, synchrotron emission, and Compton scattering are omnipresent in compact celestial X-ray sources. Emissions in the X-ray energy band are consequently expected to be linearly polarized. X-ray polarimetry provides a unique diagnostic
M. Chauvin   +15 more
doaj   +1 more source

Fine classification of crops based on an inductive transfer learning method with compact polarimetric SAR images

open access: yesGIScience & Remote Sensing
Compact polarimetric synthetic aperture radar (CP SAR) reduces fully polarimetric SAR system complexity and expands the imaging swath. Generally, fine classification of crop types relies on many labeled training samples.
Xianyu Guo, Junjun Yin, Jian Yang
doaj   +1 more source

A dust-parallax distance of 19 megaparsecs to the supermassive black hole in NGC 4151

open access: yes, 2014
The active galaxy NGC 4151 has a crucial role as one of only two active galactic nuclei for which black hole mass measurements based on emission line reverberation mapping can be calibrated against other dynamical methods.
A Pancoast   +38 more
core   +1 more source

Pyramid Fine and Coarse Attentions for Land Cover Classification from Compact Polarimetric SAR Imagery

open access: yesRemote Sensing
Land cover classification from compact polarimetry (CP) imagery captured by the launched RADARSAT Constellation Mission (RCM) is important but challenging due to class signature ambiguity issues and speckle noise.
Saeid Taleghanidoozdoozan   +2 more
doaj   +1 more source

Polarimetry of cosmic gamma-ray sources above e+e- pair creation threshold

open access: yes, 2013
We examine the potential for gamma-ray conversion to electron-positron pairs, either in the field of a nucleus or of an electron of a detector, to measure the fraction P of linear polarization of cosmic gamma sources.
Bernard, Denis
core   +1 more source

Magnetic Fluctuations and Correlations in MnSi - Evidence for a Skyrmion Spin Liquid Phase

open access: yes, 2011
We present a comprehensive analysis of high resolution neutron scattering data involving Neutron Spin Echo spectroscopy and Spherical Polarimetry which confirm the first order nature of the helical transition and reveal the existence of a new spin liquid
A. Murani   +12 more
core   +2 more sources

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