Results 61 to 70 of about 1,939,312 (274)

Changes in seismic anisotropy at Ontake volcano: a tale of two eruptions

open access: yesSeismica
The interaction of faults, fractures, and hydromagmatic systems of volcanoes can lead to complicated stress patterns that vary over short spatial and temporal scales.
Michael Kendall   +6 more
doaj   +1 more source

Tectonic Inheritance During Plate Boundary Evolution in Southern California Constrained From Seismic Anisotropy

open access: yesGeochemistry, Geophysics, Geosystems, 2021
The style of convective force transmission to plates and strain‐localization within and underneath plate boundaries remain debated. To address some of the related issues, we analyze a range of deformation indicators in southern California from the ...
Vera Schulte‐Pelkum   +3 more
doaj   +1 more source

Percolation‐Driven β‐Relaxation Enables Resonant Acceleration of Crystallization in Amorphous Phase‐Change Materials

open access: yesAdvanced Materials, EarlyView.
Mobile‐atom percolation underlying β‐relaxations fundamentally dictates the crystallization pathways of phase‐change materials. High‐frequency ultrasonic excitation dynamically modulates this critical mobility percolation network, substantially accelerating the crystallization process.
Yu‐Yao Liu   +11 more
wiley   +1 more source

Shear-wave polarization alignment on the eastern flank of Mt. Etna volcano (Sicily, Italy)

open access: yesAnnals of Geophysics, 1996
Recently, with the improvement of three-component seismic networks, studies revealing anisotropic characteristics in different regions have assumed great interest. In a complex volcanic area like Mt.
G. Vilardo   +3 more
doaj   +1 more source

Varying Shear Wave Splitting Parameters Suggest Interaction Between Lithosphere and Asthenosphere in Arxan‐Chaihe Volcanic Field, NE China

open access: yesGeophysical Research Letters, 2022
Over 2 years of broadband seismic data from 27 temporary stations deployed in the Arxan‐Chaihe Volcanic Field (ACVF) provides us a valued opportunity to study mantle deformation and related geodynamic processes in NE China intraplate region. We estimated
Zhengyang Qiang   +3 more
doaj   +1 more source

Molybdenum Disulfide Bilayers Hybridized With Reduced Graphene Oxide Nanosheets for Enhanced Hydrogen Evolution Reaction

open access: yesAdvanced Materials Interfaces, EarlyView.
The integration of reduced graphene oxide nanosheet‐hybridized molybdenum disulfide bilayers to enhance hydrogen evolution reaction capabilities unveils thrilling opportunities for strain engineering, defect manipulation, and sophisticated twist‐angle assemblies with 2D heterostructures.
Bruno Ferreira Brischi   +8 more
wiley   +1 more source

WEC Scale Model Build & Test: Fabrication and Wave Laboratory Testing of 1/10 Scale Wave Energy Conversion Device

open access: yes
Neptune Wave Power, LLC (‘NWP’), worked with OWET, the Northwest National Marine Renewable Energy Center (‘NNMREC’) and Oregon State University (O.H. Hinsdale Wave Research Laboratory) to build and test a 1/10 scale model wave energy conversion (‘WEC ...
Neptune Wave Power LLC   +1 more
core   +6 more sources

The origin of shear wave splitting beneath Iceland [PDF]

open access: yesGeophysical Journal International, 2015
The origin of shear wave splitting (SWS) in the mantle beneath Iceland is examined using numerical models that simulate 3-D mantle flow and the development of seismic anisotropy due to lattice-preferred orientation (LPO). Using the simulated anisotropy structure, we compute synthetic SKS waveforms, invert them for fast polarization directions and split
Garrett Ito, Robert Dunn, Aibing Li
openaire   +1 more source

Unlocking Terahertz Steganography: Authentication of Hidden Images in Flexible Media

open access: yesAdvanced Materials Technologies, EarlyView.
Hidden information in multilayered devices, such as steganographic portraits, is detected and authenticated using reflection‐mode terahertz time‐domain imaging. Image reconstruction relies on a dedicated figure‐of‐merit obtained by integrating the signal intensity over the time‐window associated with the reflection from the metallic mirror backing the ...
Tiziana Ritacco   +4 more
wiley   +1 more source

Turning Light Into Matter: Programmable Microstructures Via Dose Control in Two‐Photon Polymerization

open access: yesAdvanced Optical Materials, EarlyView.
This work augments two‐photon polymerization with point‐wise dose control, enabling structures with heterogeneous material properties such as refractive index. An open source toolbox and superior calibration methodology for the refractive index pave the way for bio‐mimicking or numerically optimized structure designs, and enhance the synergy between 3D
Michał Ziemczonok, Koen Vanmol
wiley   +1 more source

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