Results 91 to 100 of about 302 (217)

UCST‐Driven Shape Morphing in Digital Light Processing 4D‐Printed Hydrogels

open access: yesAdvanced Materials Technologies, EarlyView.
A DLP‐printable UCST hydrogel based on poly(acrylic acid‐co‐acrylamide) enables reversible thermally induced expansion and 4D shape morphing. Rational control of composition, porosity, and multimaterial architecture enables predictable 4D shape morphing through differential swelling and localized actuation, opening new opportunities for high‐resolution
Fato Niang   +2 more
wiley   +1 more source

O cinema latino-americano de Chris Marker

open access: yesSignificação: Revista de Cultura Audiovisual, 2017
Este texto aponta os principais aspectos trabalhados no recém lançado livro O cinema latinoamericano de Chris Marker, de Carolina Amaral de Aguiar, buscando explicitar a relevância de sua pesquisa e os caminhos percorridos pela autora para tratar da ...
Tainah Negreiros Oliveira de Souza
doaj  

Highly Crystalline CsPbBr3 Thin Films With Amplified Spontaneous Emission via High‐Pressure Recrystallization

open access: yesAdvanced Optical Materials, EarlyView.
High‐pressure recrystallization provides a reproducible route to high‐quality CsPbBr3${\rm CsPbBr}_{3}$ thin films. Optimized processing at 300 bar yields smooth, pinhole‐free, single‐phase 3D perovskite layers with tunable thickness, enhanced crystallinity, reduced amplified‐spontaneous‐emission threshold, improved photostability, and phase‐transition
Asma Miled   +15 more
wiley   +1 more source

Photodoping in Wide‐Bandgap Perovskite Solar Cells With MXenes

open access: yesAdvanced Optical Materials, EarlyView.
Ultrafast tandem spectroscopy and DFT modeling reveal the separate dynamics and the imbalance of electrons and holes in wide bandgap perovskite solar cells with MXene incorporation. The enhanced photoconversion performances of the devices are traced to photodoping, with selective hole trapping and suppressed recombination of electrons.
Angelica Simbula   +17 more
wiley   +1 more source

Neural Contributions to Reduced Fluid Intelligence across the Adult Lifespan. [PDF]

open access: yesJ Neurosci, 2023
Mitchell DJ   +4 more
europepmc   +1 more source

From Molecular Design to Optical Anisotropy: Orientation Control in BODIPY Langmuir‐Blodgett Films

open access: yesAdvanced Optical Materials, EarlyView.
The supramolecular organization of amphiphilic boron‐dipyrromethene (BODIPY) dyes in Langmuir–Blodgett monolayers is shown to govern their optical anisotropy. By correlating nanoscale imaging and angle‐resolved spectroscopy, we reveal symmetry‐driven control of transition dipole orientation, enabling either in‐plane or out‐of‐plane optical responses ...
Lilia Huynh   +9 more
wiley   +1 more source

Arte e Indocumentada Etnia Cigana: Resistência cigana pela música e pela dança no cinema de Tony Gatlif

open access: yesRevista Interdisciplinar em Cultura e Sociedade, 2019
Este trabalho tem o intuito de mostrar, a partir da descrição de extratos de filmes, como a música e a dança no cinema de Tony Gatlif registram a resistência dos ciganos e a afirmação de sua identidade durante a Segunda Guerra Mundial e nas sociedades ...
CHARLOTTE RIOM
doaj  

Confinement‐Induced Nonlocality and Optical Nonlinearity of Transdimensional Titanium Nitride Films in the Epsilon‐Near‐Zero Region

open access: yesAdvanced Optical Materials, EarlyView.
The epsilon‐near‐zero (ENZ) effect in metals emerges only in nanometer‐scale films with exceptional optical quality. Titanium nitride (TiN) films grown by molecular beam epitaxy retain high crystallinity down to 2 nm and exhibit dramatically enhanced nonlinear optical responses near the ENZ region.
Fan‐Ting Tseng   +5 more
wiley   +1 more source

Apresentação

open access: yesAlceu, 2018
O presente dossiê sobre o filósofo francês Guy Debord (1931-1994) retoma as exposições do colóquio realizado pelo Departamento de Comunicação Social da PUC-Rio nos dias 16 e 18 de outubro de 2017, com o título “50 anos de ‘A Sociedade do Espetáculo ...
Gustavo Chataignier
doaj  

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