Results 91 to 100 of about 2,131 (218)

Arc‐ZTE: Continuously‐Slewed Zero‐TE Imaging With Incoherent Temporal Sampling for Near‐Silent Dynamic MRI

open access: yesMagnetic Resonance in Medicine, Volume 96, Issue 4, Page 1726-1740, October 2026.
ABSTRACT Purpose To enable flexible dynamic and DCE MRI with low acoustic noise and high spatiotemporal resolution using zero echo time (ZTE) imaging. Methods This work proposes Arc‐ZTE, a technique in which the readout gradients of ZTE are continuously‐slewed to form arcs in k‐space that are sequentially rotated to yield an incoherent trajectory ...
Shreya Ramachandran   +5 more
wiley   +1 more source

Flexible and Scalable 2D/3D Tin‐Based Perovskite Photodetectors via Inkjet Printing

open access: yesAdvanced Optical Materials, Volume 14, Issue 33, 4 September 2026.
Lead‐free tin‐based perovskite films are successfully fabricated via scalable inkjet printing on rigid and flexible substrates. Incorporating high‐purity precursors and dual‐layer encapsulation minimizes defects and eliminates oxidation. The resulting photodetectors demonstrate high responsivity, persistent photoconductivity, and excellent 30 day ...
Giovanni Vescio   +13 more
wiley   +1 more source

Room‐Temperature, Flexible MnBi2Te4/As2Te3 Thin‐Film Heterojunction Array Photodetectors

open access: yesAdvanced Photonics Research, Volume 7, Issue 9, September 2026.
This study presents a room‐temperature, flexible MnBi2Te4/As2Te3 thin‐film heterojunction array photodetector fabricated via cost‐effective thermal evaporation. The device exhibits a broadband photoresponse from 450 to 1550 nm, with an ultrafast response time of less than 80 μs, a maximum responsivity (Ri) of 47.5 mA W−1, and a specific detectivity (D*)
Ming Yang   +7 more
wiley   +1 more source

A Pollen‐Enhanced Bionic Mechanoreceptor Induced by Asymmetric Ionic Convection in Hydrogel for Sensory‐Augmented Prostheses

open access: yesAdvanced Science, Volume 13, Issue 49, 3 September 2026.
This work proposed a pollen‐enhanced bionic mechanoreceptor based on ionic convection. Leveraging the ion anchoring effect of the pollen particle, the output performance could be ∼12 times higher than the original state. By employing deep learning models as AI brains, the feasibility of a sensory‐augmented prosthesis consisting of a pollen‐enhanced ...
Zi Hao Guo   +7 more
wiley   +1 more source

Polarity‐Engineered, Tribo‐Positive Imidazolium‐Mediated Crosslinked 6FDA‐Durene Films for Triboelectric Nanogenerator

open access: yesSmall, Volume 22, Issue 50, 7 September 2026.
Imidazolium‐mediated crosslinking transforms 6FDA‐durene PI from tribo‐negative to tribo‐positive by modulating the surface electronic structure and charge‐transfer behavior. DFT calculations confirm the experimentally observed polarity transition.
Sorour Faramarzi   +8 more
wiley   +1 more source

Trade-off between preamplifier noise figure and decoupling in MRI detectors. [PDF]

open access: yesMagn Reson Med, 2023
Wang W   +3 more
europepmc   +1 more source

Defect‐Healed Perovskite Quantum Dots for Optoelectronic Applications in Indoor Photovoltaics and Photoplethysmography

open access: yesSmall, Volume 22, Issue 50, 7 September 2026.
A novel dispersion‐phase defect‐healing strategy using Br‐doped PbS quantum dots (QDs) significantly stabilizes CsPbI3 perovskite (Pe) QDs by passivating internal vacancies. This approach reduces trap‐assisted nonradiative recombination, enabling high‐performance indoor photovoltaics with exceptional stability.
Seon Joong Kim   +9 more
wiley   +1 more source

A Low‐Power Radioisotope XRF Spectrometer for Detection of Light Elements on Planetary Missions

open access: yesX-Ray Spectrometry, Volume 55, Issue 5, Page 721-729, September/October 2026.
ABSTRACT Current X‐ray spectrometers for in situ geochemical analysis on planetary missions typically rely either on X‐ray tubes, which demand electrical power and add mass and thermal complexity, or on alpha particle X‐ray spectrometers (APXS) that use rare 244 Cm sources, and come with severe concerns on radiation safety and isotope availability.
Leandro Silveri   +14 more
wiley   +1 more source

Distinct Groundwater Regimes in West Antarctic Sedimentary Basins Inferred From Magnetotelluric Imaging

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 9, September 2026.
Abstract Subglacial sedimentary basins in Antarctica are hypothesized to modulate ice flow and biogeochemical cycles via groundwater and geothermal feedbacks, yet their properties remain poorly constrained. Here, we present a joint quantitative analysis of new magnetotelluric (MT) data acquired at Thwaites Glacier (TG) and WAIS Divide, alongside legacy
Siobhan F. Killingbeck   +8 more
wiley   +1 more source

ABSTRACTS

open access: yes
Precision Radiation Oncology, EarlyView.
wiley   +1 more source

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