Results 31 to 40 of about 7,975 (256)
Advanced 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
Advanced 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
Advanced Materials, EarlyView.The water permeability of amorphous carbon dots (CDs) is demonstrated by investigating their plasticization. Novel polyamide‐based and amorphous nanoparticles are synthesized by controlling their inner packing density. Water plasticization is evidenced by the decrease of the CDs glass transition temperature with increasing the hydration degree.
Elisa Sturabotti +8 more
wiley +1 more source
Sistemas mediáticos subnacionales argentinos: heterogeneidad y diferencias en contextos neopopulistas [PDF]
Íconos, 2013 Los gobiernos neopopulistas de los países de la región han avanzado en políticas que tienden a combatir las corporaciones mediáticas y democratizar la comunicación.
Ernesto Picco
doaj +3 more sources
Política y Sociedad, 2003 The scholarly literature on presidentialism and parliamentarism in modern comparative politics has argued that the combination of presidential government and a multiparty system is problematic. In multiparty systems, of course, the formation of coalition
Antonio Garrido
doaj
Gobiernos locales y seguridad:
Perspectivas Revista de Ciencias Sociales, 2020 En la Argentina, durante los últimos años, los gobiernos locales se han convertido en receptores de demandas relacionadas a la seguridad pública pese a no contar con facultades ni competencias para abordar directamente esta problemática.
Pablo E. Navarro Urquiza +1 more
doaj +1 more source
Self‐Cooling Molecular Spin Qudits
Advanced Materials, EarlyView.A material made of [GdEr] molecular dimers can encode a qudit and perform as a magnetic refrigerant. Microwave resonant pulses coherently manipulate its 16 spin states, while direct demagnetization measurements cool the material and a device down to temperatures below 1 K.
Elías Palacios +12 more
wiley +1 more source
A Functional 2D Carbon Allotrope Combining Nanoporous Graphene and Biphenylene Segments
Advanced Materials, EarlyView.The synthesis of a novel nanoporous graphene (NPG) is reported with biphenylene segments via thermal fusion of 12‐armchair porous graphene nanoribbons grown on gold surfaces. Characterization using STM, AFM, and DFT reveals low‐defect semiconducting behaviour and tunable band gaps.
Paula Angulo‐Portugal +14 more
wiley +1 more source
Hepatology, EarlyView., 2022 Physiological activation of myeloid p38 controls macrophage IL‐12 production and crosstalk to the liver by modulating hepatic FGF21, and subsequently, brown adipose tissue thermogenesis during obesity Abstract Obesity features excessive fat accumulation in several body tissues and induces a state of chronic low‐grade inflammation that contributes to ...
María Crespo +14 more
wiley +1 more source
Revista Ciencias y Humanidades, 2019 El presente artículo tiene por objetivo analizar las políticas de seguridad interior en Chile desde el año 1973 hasta el 2000. En ese sentido, se aborda la Doctrina de Seguridad Nacional implementada durante la dictadura militar de Augusto Pinochet ...
Francisca Eunice Beroíza Valenzuela
doaj +1 more source