Results 61 to 70 of about 273,730 (211)

Kinetics‐Controlled Architecture of Binder‐Free Organic Electrodes for Enhanced Ion Transport

open access: yesAdvanced Functional Materials, EarlyView.
Pulse reverse electrodeposition controls nucleation and growth to create hierarchically porous Py‐derived oligomeric electrodes with enhanced ionic accessibility and reduced transport resistance. The resulting binder‐free architectures translate these transport advantages into practical sodium‐storage functionality.
Satendra Kumar   +1 more
wiley   +1 more source

A retomada do Centro da cidade

open access: yesColeção Estudos Cariocas, 2003
A macrofunção Habitar o Centro foi criada para coordenar esforços dos órgãos municipais e demais instituições ligadas ao tema da promoção do uso habitacional no Centro do Rio.
Macrofunção Habitar o Centro Prefeitura da Cidade do Rio de Janeiro
doaj   +1 more source

Nano Borophene as a Programmable 2D Scaffold for Organized DNA Assembly and Long‐Range Energy Transfer

open access: yesAdvanced Functional Materials, EarlyView.
Borophene is introduced as a programmable 2D bio‐interface that organizes DNA through dual boron–sulfur and nucleobase interactions. This molecular architecture enables efficient long‐range nanosurface energy transfer, establishing new design principles for functional nano–bio interfaces and amplification‐free optical biosensing.
Teresa Aditya   +11 more
wiley   +1 more source

¿El centro del tlachco, el centro del mundo?

open access: yesAnales de Antropología, 2015
El centro de las canchas de juego de pelota nunca ha sido el objeto de un estudio específico; sin embargo, las crónicas confirman su valor simbólico, mientras que las pictografías de los códices y los llamados marcadores ofrecen pruebas innegables de su importancia.
openaire   +4 more sources

Moiré‐Induced Symmetry Breaking of Charge Order in van der Waals Heterostructures

open access: yesAdvanced Materials, EarlyView.
A uniaxial moiré potential in misfit (MS)1+δTaS2 heterostructures selectively reshape charge order: the embedded 1H‐TaS2 layer hosts an incommensurate charge‐density wave, fragmented into nanometer domains and stripped of threefold symmetry. Superconductivity, however, remains uniform and fully gapped, revealing heterosymmetry stacking as a selective ...
Sandra Sajan   +12 more
wiley   +1 more source

La desintegración de la UCD: estado de la cuestión

open access: yesEl Futuro del Pasado, 2011
La historia de la UCD es intensa. Se trata de un partido construido desde el poder para llevar a cabo la Transición. Un partido que cumple perfectamente su función y que conectaba con los electores.
J. Daniel Molina Jiménez
doaj  

Ciclos límites en modelos depredador-presa

open access: yesSelecciones Matemáticas, 2017
El modelo clásico de Lotka-Volterra pertenece a una familia de ecuaciones diferenciales denominada “Lotka-Volterra generalizado”, que forma parte de una clasificación de cuatro modelos de campos cuadráticos con centro.
Liliana Puchuri Medina
doaj   +1 more source

Plasmon‐Enhanced Second‐Harmonic Generation in Atomically Thin Crystalline Silver Nanostructures

open access: yesAdvanced Materials, EarlyView.
Atomically thin crystalline silver films combine vertical quantum confinement with lateral plasmonic field enhancement to boost second‐harmonic generation. Nanoribbon and nanotriangle arrays enable geometry‐tunable infrared plasmon resonances, producing strong SHG from deeply subwavelength metallic volumes compatible with silicon‐based nanophotonics ...
Saad Abdullah   +10 more
wiley   +1 more source

A periferia do Centro: produção artística da população invisibilizada do Centro do Rio de Janeiro

open access: yesPoiésis, 2018
Constituída na dinâmica das interações com e entre pessoas e em diferentes tempos, as cidades não podem ser pensadas como uma entidade apartada de seus moradores.
Clarisse Monteiro
doaj   +1 more source

Efficient in‐Plane Exciton Transport in a Discontinuous Layered Lead‐Bromide Perovskite

open access: yesAdvanced Materials, EarlyView.
A new class of two‐dimensional lead‐bromide perovskite based on monovalent 4‐aminomethylbenzoic acid cations is presented, featuring a discontinuous inorganic layer. Despite the discontinuous lattice, transient photoluminescence microscopy demonstrates efficient though strongly anisotropic in‐plane exciton transport.
Raquel Utrera‐Melero   +9 more
wiley   +1 more source

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