Results 31 to 40 of about 66,658 (286)

HUNGA-TONGA-HUNGA-HA’PAI VOLCANIC ERUPTION/EXPLOSION AND TSUNAMIS OF 14-15 JANUARY 2022 – Overview and Analysis [PDF]

open access: yesScience of Tsunami Hazards, 2022
The explosive eruption/collapse of the submarine portion of the volcano Hunga-Tonga- Hunga-Ha'apai (HT-HH) on the Tonga Kermadec volcanic arc in the southwest Pacific on 15 January 2022 occurred at the end of many weeks of activity. It was a truly global
George Pararas-Carayannis
doaj  

Shallow very-low-frequency earthquakes accompany slow slip events in the Nankai subduction zone

open access: yesNature Communications, 2018
Slow earthquakes are now increasingly recognised to occur at plate boundaries globally. Here, the authors examine seafloor observational data from the Nankai trough and find that very-low-frequency events and slow-slip events frequently occur together ...
Masaru Nakano   +4 more
doaj   +1 more source

SEISMOTECTONICS AND MECHANISMS OF TSUNAMI GENERATION ALONG ACTIVE BOUNDARIES OF YOUNG, MARGINAL SEA BASINS AND SPREADING RIDGES OF THE SOLOMON ISLANDS REGION – Case Study: The Earthquake and Tsunami of 1 April 2007 in the Solomon Islands [PDF]

open access: yesScience of Tsunami Hazards, 2020
The Solomon Islands region is characterized by high seismic activity. During the last 100 years there have been numerous strong earthquakes with periodic variation of recurrence.
George Pararas-Carayannis
doaj  

EVALUATION OF TSUNAMI SOURCE MECHANISMS ALONG THE TONGA TRENCH AND VOLCANIC ARC – Case Study: Earthquake and Tsunami of 29 September 2009 [PDF]

open access: yesScience of Tsunami Hazards, 2022
The present report provides an evaluation of the tectonics of the upper part of the Tonga Trench and Volcanic Arc Region. The overall tectonics of the region are dominated by the convergence of the Pacific and Australia plates.
George Pararas-Carayannis
doaj  

Self‐Assembly of Organic–Inorganic Copolymers Toward Bio‐Inspired Cementitious Composites

open access: yesAdvanced Science, EarlyView.
Organic–inorganic copolymerization of calcium silicate hydrate and thioctic acid produces a self‐organized nanocomposite inspired by the disordered collagen–mineral architecture of trabecular bone. The resulting material combines a compressive strength above 300 MPa with intrinsic physical reprocessibility, retaining over 80% of its strength and energy
Zonglin Xie   +8 more
wiley   +1 more source

THE 326 BC EARTHQUAKE AND TSUNAMI IN THE NORTHERN ARABIAN SEA - IMPACT ON THE FLEET OF ALEXANDER THE GREAT [PDF]

open access: yesScience of Tsunami Hazards, 2022
Ancient Greek and Indian texts support that destructive sea waves along the Makran coast in the northern Arabian Sea were responsible for the partial destruction of Alexander the Great’s fleet in 326 BC.
George Pararas-Carayannis
doaj  

Engineering Large‐Grain Metal Halide Perovskite Films via Chemical Vapor Deposition for High‐Performance, Ultralow‐Noise Perovskite Photodetectors

open access: yesAdvanced Science, EarlyView.
Chemical vapor deposition produces large‐grain, phase‐pure CsPbBr3 films (grains up to 35 µm) with Drude‐like terahertz photoconductivity and twofold higher carrier mobility versus spin‐coated references. These microstructural advances translate into photodetectors with a detectivity of 8.4 × 1012 Jones, dark current below 1 pA cm−2, X‐ray sensitivity ...
Roel Vanden Brande   +14 more
wiley   +1 more source

Origin of Enhanced Efficiency and Reduced Roll‐Off in Organic Light‐Emitting Diodes Based on Pt(II) Complexes

open access: yesAdvanced Science, EarlyView.
Controlled Pt–Pt fine structure in square‐planar Pt(II) complexes governs metal–metal‐to‐ligand charge‐transfer (MMLCT) state formation, exciton dynamics, and organic light‐emitting diode performance. Short Pt–Pt contacts in Pt(fppz)2 enable coherent metal–metal coupling, sub‐microsecond emission and an external quantum efficiency of 29%, whereas ...
Atul Shukla   +15 more
wiley   +1 more source

Shallow crustal earthquake models, damage, and loss predictions in Banda Aceh, Indonesia

open access: yesGeoenvironmental Disasters, 2020
The city of Banda Aceh stands on Holocene fluvial basin sediment, surrounded by the Aceh and Seulimeum fault segments where large magnitude earthquakes can occur at any time.
Ibnu Rusydy   +6 more
doaj   +1 more source

NbN Broadband Plasmonic Absorbers for Efficient Hot‐Carrier Injection Toward Improved Solar‐to‐Hydrogen Conversion

open access: yesAdvanced Science, EarlyView.
Niobium nitride (NbN) broadband plasmonic metasurface absorbers provide an efficient platform for solar‐energy conversion through hot‐carrier injection. Quasi‐epitaxial NbN features a low work function of 4.0 eV, reducing the interfacial injection barrier and facilitating charge transfer into adjacent photocatalysts.
Tzu‐Yu Peng   +11 more
wiley   +1 more source

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