Results 21 to 30 of about 572,074 (234)

Hybrid Solar Cell/Triboelectric Nanogenerator Based on Stable Two‐Dimensional Covalent Organic Frameworks

open access: yesAdvanced Functional Materials, EarlyView.
This study highlights the integration of stable two‐dimensional covalent organic framework (COF) films as photoactive layers in hybrid nanoenergy devices. The results demonstrate their capacity to generate electricity under both sunny and rainy conditions, showcasing versatility and resilience.
Joab D. Guerrero   +13 more
wiley   +1 more source

Strain Engineering of Magnetoresistance and Magnetic Anisotropy in CrSBr

open access: yesAdvanced Materials, EarlyView.
Biaxial compressive strain significantly enhances magnetoresistance and critical saturation fields in thin flakes of the 2D magnet CrSBr, along all three crystallographic axes. First‐principles calculations link these effects to strain‐induced increases in exchange interactions and magnetic anisotropy.
Eudomar Henríquez‐Guerra   +19 more
wiley   +1 more source

Círculo Docente de Educación Física (CIDEF) [PDF]

open access: yes, 2009
Fue creado el día 12 de junio de 1997. Es una entidad civil sin fines de lucro que fijó su domicilio en la ciudad de La Plata en la calle 6 nº 1030 (Club Español) como sede provisional.
Departamento de Educación Física
core  

Stepwise On‐Surface Synthesis and Transformations of Two‐Dimensional Covalent Organic Frameworks by Controlled Thermal Stimuli

open access: yesAdvanced Materials, EarlyView.
The seminal transformation of a 2D‐COF (SURFCOF‐IMDEA1) into a 2D porous COF (SURFCOF‐IMDEA2) on Au(111) by a sequential C‐C coupling and ladderization triggered by thermal annealing steps at increasing temperatures is reported. Abstract The development of covalent organic frameworks (COFs) is currently a primary objective in materials science, taking ...
Ana Barragán   +11 more
wiley   +1 more source

Materiais e estratégias didáticas em ambiente virtual de Aprendizagem

open access: yesRevista Brasileira de Estudos Pedagógicos
Discute as bases teóricas e metodológicas da elaboração de material didático para uma disciplina presencial de Física Básica, no âmbito da graduação, em um ambiente virtual de aprendizagem (AVA), assim como a integração deste enquanto ferramenta de apoio
Andreson Lopes de Lacerda   +1 more
doaj   +1 more source

Aproximación terminológica a una parcela de la física renacentista

open access: yesQuaderns de Filologia: Estudis Lingüístics, 2014
La física tiene como objetivo describir los fenómenos naturales y estudiar las propiedades de la materia y energía. Nuestro trabajo parte de una selección terminológica extraída de un elenco de textos científicos renacentistas integrados en el corpus ...
Mª Jesús Mancho Duque
doaj   +1 more source

Proyecto del Plan de Estudios del Departamento de Educación Física 1998 [PDF]

open access: yes, 2009
El Plan de Estudios comprende un tronco de asignaturas comunes, que lo recorre en su totalidad y que se articula con los trayectos correspondientes a las modalidades Profesorado en Educación Física y Licenciatura en Educación Física, a determinada altura
Departamento de Educación Física
core  

Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives

open access: yesAdvanced Materials, EarlyView.
Kelvin probe force microscopy (KPFM) enables the nanoscale mapping of electrostatic surface potentials. While widely applied in materials science, its use in biological systems remains emerging. This review presents recent advances in KPFM applied to biological samples and provides a critical perspective on current limitations and future directions for
Ehsan Rahimi   +4 more
wiley   +1 more source

Programa de atividade física e saúde da UFCSPA: ginástica laboral [PDF]

open access: yes, 2014
Trabalho apresentado no 31º SEURS - Seminário de Extensão Universitária da Região Sul, realizado em Florianópolis, SC, no período de 04 a 07 de agosto de 2013 - Universidade Federal de Santa Catarina.Diante do desgaste e das exigências atuais do trabalho
Danni, Márcio   +5 more
core  

Microscopic Insights into Magnetic Warping and Time‐Reversal Symmetry Breaking in Topological Surface States of Rare‐Earth‐Doped Bi2Te3

open access: yesAdvanced Materials, EarlyView.
Magnetic doping of the topological insulator Bi2Te3 with erbium adatoms induces out‐of‐plane magnetism and breaks time‐reversal symmetry, opening a Dirac gap and driving a Fermi surface transition from hexagonal to star‐of‐David geometry. Microscopy, spectroscopy, and magnetic dichroism reveal atomically controlled magnetic interactions that tailor the
Beatriz Muñiz Cano   +18 more
wiley   +1 more source

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