Results 161 to 170 of about 1,257,146 (366)

Fractional Skyrmion Tubes in Chiral‐Interfaced 3D Magnetic Nanowires

open access: yesAdvanced Functional Materials, EarlyView.
In chiral 3D helical magnetic nanowires, the coupling between the geometric and magnetic chirality provides a way to create topological spin states like vortex tubes. Here, it is demonstrated how the breaking of this coupling in interfaced 3D nanowires of opposite chirality leads to even more complex topological spin states, such as fractional ...
John Fullerton   +11 more
wiley   +1 more source

Investigating Differences in the Palomar-Green Blazar Population Using Polarization

open access: yesThe Astrophysical Journal
We present polarization images with the Karl G. Jansky Very Large Array (VLA) in A- and B-array configurations at 6 GHz of seven radio-loud (RL) quasars and eight BL Lac objects belonging to the Palomar-Green (PG) “blazar” sample.
Janhavi Baghel   +7 more
doaj   +1 more source

Powers and Magnetization of Blazar Jets

open access: yesGalaxies, 2016
In this work I review the observational constraints imposed on the energetics and magnetisation of quasar jets, in the context of theoretical expectations.
Marek Sikora
doaj   +1 more source

Outer jet X-ray and radio emission in R Aquarii: 1999.8 to 2004.0

open access: yes, 2007
Chandra and VLA observations of the symbiotic star R Aqr in 2004 reveal significant changes over the three to four year interval between these observations and previous observations taken with the VLA in 1999 and with Chandra in 2000.
C. Anderson   +14 more
core   +1 more source

Transient Stiffness Patterning in Hydrogels Driven by Dissipative Mechanochemical Coupling

open access: yesAdvanced Functional Materials, EarlyView.
Force‐induced disulfide bond rupture in a polymer‐based hydrogel, coupled with chemical or electrochemical reoxidation, leads to the transient modulation of the hydrogel's stiffness properties. High spatiotemporal control is achieved by this dissipative process, enabling the development of out‐of‐equilibrium stiffness patterns and transient, dose ...
Roberto Baretta   +2 more
wiley   +1 more source

Influence of Jets on [O iii] Extensions in Green Pea/Bean Galaxies

open access: yesThe Astrophysical Journal
We present a study investigating the influence of jets on galaxies exhibiting strong [O iii ] λ 5007 emission, known as Green Peas and Green Beans . Our sample comprised 12 nearby sources ( z ∼ 0.04–0.1, six with jets and six without jets) with high [O ...
Harshitha K. Bhat   +5 more
doaj   +1 more source

Radio galaxies and feedback from AGN jets [PDF]

open access: yesNew astronomy reviews (Print), 2020
M. Hardcastle, J. Croston
semanticscholar   +1 more source

Eco‐Fabricated Nanowave‐Textured Implants Drive Microtubule‐Assisted Nuclear Mechanotransduction and Chromatin Modification: Biophysical Priming for Osteogenesis and Bone Regeneration

open access: yesAdvanced Functional Materials, EarlyView.
Eco‐friendly nanowave‐textured implants produced via femtosecond laser fabrication enhance bone regeneration by orchestrating a precise mechanotransduction cascade. This nanotopography directs mesenchymal stem cell alignment and cytoskeletal organization, triggering changes in nuclear shape and chromatin acetylation that prime cells for osteogenesis ...
Bosu Jeong   +15 more
wiley   +1 more source

Hydrostatic confinement of radio jets

open access: yesThe Astrophysical Journal, 1987
The radio jets associated with NGC 6251, NGC 315, and 3C 31 are subjected to hydrodynamic detachment criteria in the ultrarelativistic and nonrelativistic limits under the assumption of the steady laminar motion of a perfect gas. All the jets demonstrate allowable sonic heights.
Patrick Boucher, Kayll Lake
openaire   +2 more sources

Green Solvent Enabled Perovskite Ink for Ambient‐Air‐Processed Efficient Inkjet‐Printed Perovskite Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
This study explores an eco‐friendly solvent with 1,3‐dimethyl‐2‐imidazolidinone for developing perovskite ink, enhancing grain size and formation of purer phase perovskite. The inkjet‐printed perovskite solar cells demonstrated a remarkable improvement in device power conversion efficiency from 14.6% to almost 17.8%, highlighting sustainable innovation
Vinayak Vitthal Satale   +6 more
wiley   +1 more source

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