Results 11 to 20 of about 31,139 (274)
Magnetismo em materiais orgânicos
As propriedades magnéticas de pastilhas prensadas de poli (3-hexiltiofeno) (P3HT) parcialmente dopado com o íon foram estudadas na faixa de 5 a 300 K, e uma fase ferromagnética foi observada à temperatura ambiente.
Fernando Rogério de Paula
semanticscholar +3 more sources
Trata-se de um ensaio psicanalítico, de caráter histórico, clínico e epistemológico, que dialoga com a teoria literária para interrogar o conto do escritor francês Guy de Maupassant, Magnetismo.
Fabiano Chagas Rabêlo +3 more
doaj +4 more sources
Superconductividad y magnetismo
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Francisco Morales Leal
semanticscholar +2 more sources
Metallic Magnetic Nanoparticles
In this paper, we reviewed some relevant aspects of the magnetic properties of metallic nanoparticles with small size (below 4 nm), covering the size effects in nanoparticles of magnetic materials, as well as the appearance of magnetism at the nanoscale ...
A. Hernando, P. Crespo, M. A. García
doaj +2 more sources
Este es un libro introductorio al electromagnetismo con los siguientes contenidos: electrostática y magnetostática en el vacío, campos dependientes del tiempo en el vacío (formulación maxwelliana básica), aspectos básicos sobre circuitos eléctricos en ...
M. P. V. Nieto +3 more
semanticscholar +3 more sources
Magia parece, magnetismo es [PDF]
Se presenta un conjunto de experiencias basadas en la interacción magnética, a partir de las cuales se puede construir juguetes. Esta actividad se ha desarrollado con alumnos de 3º y 4º de E.S.O.
Enrique Vega Palas
doaj +3 more sources
Este trabajo presenta nuevos mapas de anomalía magnética y gravimétrica absoluta (Bouguer) del yacimiento polimetálico del Cerro de Almadenes (Otero de Herreros, Segovia).
Roberto Jiménez Borrego +3 more
openalex +3 more sources
Impact of the Schottky Barrier and Contact-Induced Strain Variations inside the Channel on the Electrical Behavior of Monolayer MoS<sub>2</sub> Transistors. [PDF]
This article reports a multiscale investigation of monolayer MoS2 field‐effect transistors, revealing a source/drain Schottky barrier of ≈0.21 eV and contact‐induced strain variations inside the channel. The impact of strain inhomogeneities on the electron effective mass (meff) distribution and their implications on carrier mobility and contact ...
Panasci SE +17 more
europepmc +2 more sources
Fenton-like Reactivity on Fe<sub>3</sub>O<sub>4</sub> Nanozymes Driven by Charge Transfer and Interfacial Water. [PDF]
In magnetite nanozymes, subsurface Fe2⁺ donates electrons to H2O2, forming fleeting Fe(IV)═O and •OH species. The process couples charge flow, water‐mediated reactivity, and nanoparticle oxidation in a dynamic Fenton‐like cycle. Abstract Magnetite (Fe3O4) nanoparticles, widely recognized as inorganic nanozymes due to their enzyme‐like catalytic ...
Sánchez VM +9 more
europepmc +2 more sources

