Results 161 to 170 of about 185,392 (314)

Specifics of magnetotelluric studies in Antarctica

open access: yesЗаписки Горного института
One of the priority areas of scientific research in Antarctica is the study of its deep structure. Most of the continent is covered with a thick ice sheet, so the main geoscientific data are acquired using geophysical methods, among which magnetotelluric
Tatyana V. Davydkina   +2 more
doaj  

Laser‐Induced Graphene from Waste Almond Shells

open access: yesAdvanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova   +9 more
wiley   +1 more source

A New Plane Wave Compounding Scheme Using Phase Compensation for Motion Detection. [PDF]

open access: yesIEEE Trans Ultrason Ferroelectr Freq Control, 2022
Lee HK, Greenleaf JF, Urban MW.
europepmc   +1 more source

Polarizable Vanadium Dipoles Promote Water Dissociation on Vanadium‐Based Metal Organic Framework

open access: yesAdvanced Functional Materials, EarlyView.
The polarization of unpaired V 3d electrons weakens the H─O bond to improve water dissociation by the dual Vδ+:O─H and Pλ−:H─O coupling hydrogen bonds formation and relaxation. P@V‐MOF electrocatalyst shows low overpotentials (94 mV in acid, 178 mV in neutral, and 77 mV in alkaline solutions) with excellent stability for effective overall water ...
Xinjuan Liu   +13 more
wiley   +1 more source

The wave function evolution of an exciton in a bilayer system: Turning on a static in-plane electric field

open access: yes, 2007
The time evolution of the ground state wave function of an exciton in an ideal bilayer system is investigated within the framework of the effective-mass approximation.
Wang L (Wang Li)   +1 more
core  

Diffraction by an impedance half-plane dependence on the impedance parameter

open access: yesArchives of Acoustics, 2014
The problem of plane wave diffraction by an impedance half-plane is considered. The aim of the paper is to analyze how the solution depends on the complex impedance parameter. The Senior solution is analytically continued from real positive values of the
H. KUDREWICZ
doaj  

Improving plane wave ultrasound imaging through real-time beamformation across multiple arrays. [PDF]

open access: yesSci Rep, 2022
Foiret J   +5 more
europepmc   +1 more source

Omnipolar Magnetic Field Detection by Superlattice‐Based Hall Sensor

open access: yesAdvanced Functional Materials, EarlyView.
Magnetic‐field‐induced electronic switching is demonstrated in unit‐cell‐engineered La0.7Sr0.3MnO3–BiFeO3 superlattices. Distinct substrate terminations modify magnetic and transport properties. Hall resistance measurements show omnipolar, hysteretic anomalous Hall switching above the Curie temperature, arising from Fe─Mn interfacial exchange, enabling
Mark Huijben   +6 more
wiley   +1 more source

Experimental Study of Aperiodic Plane Wave Imaging for Ultrafast 3-D Ultrasound Imaging. [PDF]

open access: yesIEEE Trans Biomed Eng, 2022
Bae S   +4 more
europepmc   +1 more source

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