Results 121 to 130 of about 1,410,841 (329)

Photoactivation of NV Centers in Diamond via Continuous Wave Laser Illumination of Shallow As‐Implanted Nitrogen

open access: yesAdvanced Functional Materials, EarlyView.
This study demonstrates an alternative method of creating charge‐stable negatively charged nitrogen vacancy (NV−) centers close to the diamond surface without high‐temperature annealing. By illuminating nitrogen‐implanted regions with a continuous‐wave 405 nm laser, NV− centers are induced, exhibiting electron spin coherence properties suitable for ...
Jens Fuhrmann   +4 more
wiley   +1 more source

Cu‐Based MOF/TiO2 Composite Nanomaterials for Photocatalytic Hydrogen Generation and the Role of Copper

open access: yesAdvanced Functional Materials, EarlyView.
HKUST‐1/TiO2 composite materials show a very high photocatalytic hydrogen evolution rate which increases as a function of the irradiation time until reaching a plateau and even surpasses the performance of the 1%Pt/TiO2 material after three photocatalytic cycles.
Alisha Khan   +9 more
wiley   +1 more source

Les objets de la pulsion et la construction de l'object psychique chez l'adolescent déliquant

open access: yesRevista Latinoamericana de Psicopatologia Fundamental
Tout au long du développement infantile, l’être humain doit se former des représentations des objets de la pulsion à l’intérieur de la psyché. L’adolescence ne fait que montrer les effets des premières expériences vécues, en particulier les possibilités ...
Rosane de Abreu e Silva
doaj   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

De marionetas a elefantes. Acercamiento crítico al consumo

open access: yesNovum, 2016
El presente artículo pretende hilar, casi asumiendo el rol de Ariadna, las concepciones económicas de autores influyentes con la intención de abordar temas como el consumo, la ceguera, las pulsiones, y hasta los elefantes.
Juanita Marín Hernández
doaj  

Algunas consideraciones sobre la problemática del determinismo en el Psicoánalisis freudiano [PDF]

open access: yes, 2008
En el pensamiento filosófico moderno aparece el hombre como centro de reflexión e indagación, que en conquista la naturaleza y para ello se vale de dos procedimientos distintos y a la vez complementarios: la experimentación y el cálculo matemático. El
Fernández, Alejandro, Ramírez, Paula
core  

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