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Amer Chemical Soc |
Documentos disponibles de esta editorial (29)
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Jiménez González, Josué ; Cerdán Pedraza, Luis ; Moreno Jiménez, Florencio ; Maroto, Beatriz Lora ; García Moreno, Inmaculada ; Lunkley, jamie L. ; Muller, Gilles ; Moya Cerero, Santiago de la | Amer Chemical Soc | 2017-02-17The direct generation of efficient, tunable, and switchable circularly polarized laser emission (CPLE) would have far-reaching implications in photonics and material sciences. In this paper, we describe the first chiral simple organic molecules [...]texto impreso
Maestre Varea, David ; Haeussler, D. ; Cremades Rodríguez, Ana Isabel ; Jaeger, W. ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2011-09-22Sn-doped In2O3 arrow-shaped nanorods have been grown by a catalyst-free evaporation deposition method. Transmission electron microscopy (TEM) investigations reveal a complex defect structure consisting of nanoprecipitates, dislocation loops, and[...]texto impreso
Martínez Criado, Gema ; Segura Ruiz, Jaime ; Manh-Hung, Chu ; Tucoulou, Remi ; López García, Iñaki ; Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2014-10Crossed nanowire structures are the basis for high-density integration of a variety of nanodevices. Owing to the critical role of nanowires intersections in creating hybrid architectures, it has become a challenge to investigate the local struct[...]texto impreso
Cristian Vasquez, G. ; Andrea Peche-Herrero, M. ; Maestre Varea, David ; Cremades Rodríguez, Ana Isabel ; Ramirez-Castellanos, Julio ; María Gonzalez-Calbe, José ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2013-01-31Rutile TiO_2 nanoparticles doped with V, Cr, or Mn ions have been synthesized via a modified Pechini method using polymeric precursors. The final particle sizes range between 20 and 500 nm depending on the selected dopant. The TiO_2 rutile phase[...]texto impreso
Bismuth thin films constitute a promising nanostructure for the fabrication of spin-based devices. To achieve this goal, it is necessary to obtain high-quality Bi layers with controlled and reproducible properties. Therefore, studies focused on [...]texto impreso
The surface morphology and the crystal structure of 40 nm thin Bi films electrodeposited on GaAs(111)B at different growth overpotentials have been studied by means of atomic force microscopy and X-ray diffraction, respectively. The Bi/GaAs inte[...]texto impreso
Beltrán Finez, Juan Ignacio ; Flores, Fernando ; Martínez, José I. ; Ortega, José | Amer Chemical Soc | 2013-02-28The energy level alignment of the two organic materials forming the TTF-TCNQ interface is analyzed by means of a local orbital DFT calculation, including an appropriate correction for the transport energy gaps associated with both materials. The[...]texto impreso
Melle Hernández, Sonia ; Gómez Calderón, Óscar ; Laurenti, Marco ; Méndez González, Diego ; Egatz-Gómez, Ana ; Lopez Cabarcos, Enrique ; Cabrera Granado, Eduardo ; Díaz García, Elena ; Rubio Retama, Jorge | Amer Chemical Soc | 2018-05Förster resonant energy transfer (FRET) with upconverting nanoparticles (UCNPs) as donors and quantum dots (QDs) as acceptors has been regarded as a promising tool for biosensing applications. In this work, we use time-resolved fluorescence spec[...]texto impreso
Hidalgo Alcalde, Pedro ; Liberti, Emanuela ; Rodriguez lazcano, Yamilet ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2009-10-01GeO_2 nanowires doped with Eu, Er, or Mn, as well as codoped with each of these ions and Sri, have been grown by a catalyst-free vapor-solid process. The incorporation of Sri has been found, in all cases, to favor the formation of straight wires[...]texto impreso
Herrera, Manuel ; Maestre Varea, David ; Cremades Rodríguez, Ana Isabel ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2013-05-02Undoped and Mn doped SnO_2 nanowires, nanobelts, and microplates have been grown by a thermal evaporation method that enables the morphology and the Mn content in the structures to be controlled. The structural and morphological characterization[...]texto impreso
In-doped gallium oxide micro- and nanostructures: morphology, structure, and luminescence properties
López, Iñaki ; Utrilla, Antonio D. ; Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier ; Peche, Andrea ; Ramirez Castellanos, J. ; González Calbet, José M. | Amer Chemical Soc | 2012-02-16The influence of indium doping on morphology, structural, and luminescence properties of gallium oxide micro- and nanostructures is reported. Indium-doped gallium oxide micro- and nanostructures have been grown by thermal oxidation of metallic g[...]texto impreso
Bartolomé Vílchez, Javier ; Maestre Varea, David ; Amati, Mateo ; Cremades Rodríguez, Ana Isabel ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2011-04-28Micropyramids of zinc-doped indium oxide have been grown by thermal treatments of compacted InN and ZnO powders at temperatures between 700:and 900 degrees C Under argon flow. X-ray diffraction (XRD) measurements and energy-dispersive X-ray (EDS[...]texto impreso
López, Iñaki ; Nogales Díaz, Emilio ; Méndez Martín, Bianchi ; Piqueras de Noriega, Javier ; Peche, Andrea ; Ramirez-Castellanos, Julio ; Gonzalez-Calbet, José M. | Amer Chemical Soc | 2013-02-14Elongated micro- and nanostructures of Sn doped or Sn and Cr codoped monoclinic gallium oxide have been grown by a thermal method. The presence of Sn during growth has been shown to strongly influence the morphology of the resulting structures, [...]texto impreso
Urraca Ruiz, Javier ; Cortés Llanos, Belén ; Aroca, Claudio ; Presa Muñoz del Toro, Patricia de la ; Pérez García, Lucas ; Moreno Bondi, Maria C. | Amer Chemical Soc | 2018-05-10In this work, we developed a novel approach for the preparation of molecularly imprinted polymer (MIP) coatings directly onto magnetic multicore nanoparticles (MMCs) using alternating magnetic fields to trigger the polymerization reaction. MIPs [...]texto impreso
Garcia, M.A. ; Fernandez Pinel, E. ; Quesada, A. ; De la Venta, M. L. ; Crespo del Arco, Patricia ; LLopis, J. ; Hernando Grande, Antonio | Amer Chemical Soc | 2007-06We experimentally show that it is possible to induce room-temperature ferromagnetic-like behavior in ZnO nanoparticles without doping with magnetic impurities but simply inducing an alteration of their electronic configuration. Capping ZnO nanop[...]texto impreso
Maestre Varea, David ; Martínez Velasco, I. ; Cremades Rodríguez, Ana Isabel ; Amati, M. ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2010-07-15Mn-doped In(2)O(3) nanopyramids have been grown by a catalyst-free thermal process at 700 degrees C using InN and Mn(2)O(3) powders as precursors. Energy dispersive spectroscopy, as well as X-ray photoelectron spectroscopy, demonstrate the prese[...]texto impreso
Prados Díaz, Alicia ; Pérez García, Lucas ; Guzmán, Alvaro ; Ranchal Sánchez, Rocío | Amer Chemical Soc | 2016-12-15We have studied the electrodeposition of Bi thin films on two GaAs orientations with different atomic arrangement and chemical composition, (110) and (111)B. The electrochemical properties of each substrate have been analyzed by means of cyclic [...]texto impreso
Gutierrez, R. ; Díaz García, Elena ; Gaul, C. ; Brumme, T. ; Domínguez-Adame Acosta, Francisco ; Cuniberti, G. | Amer Chemical Soc | 2013-10-31This study is devoted to a consistent derivation of an effective model Hamiltonian to describe spin transport along a helical pathway and in the presence of spin-orbit interaction, the latter being induced by an external field with helical symme[...]texto impreso
Maestre Varea, David ; Haeussler, Dietrich ; Cremades Rodríguez, Ana Isabel ; Jaeger, Wolfgang ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2011-04In_2O_3 nanorods have been grown by a catalyst free evaporation-deposition method. Transmission electron microscopy (TEM) investigations reveal that the rods contain tubular cavities, herein referred to as "nanopipes", along the total length of [...]texto impreso
Ramos Zapata, Gonzalo ; Belenguer Dávila, Tomás ; Monte Muñoz de la Peña, Francisco de ; Levy, David ; Bernabeu Martínez, Eusebio | Amer Chemical Soc | 2003-01-09In this work, we describe the preparation of a novel photoconductive sol?gel material based on an organic/inorganic interpenetrating network (IPN). The composition of the sol?gel photoconductive material mimics the well-known polymeric one based[...]texto impreso
Presa Muñoz del Toro, Patricia de la ; Luengo, Y. ; Velasco, V. ; Morales, P. M. ; Iglesias, M. ; Veintemillas-Verdaguer, S. ; Crespo del Arco, Patricia ; Hernando Grande, Antonio | Amer Chemical Soc | 2015-05-21The influence of magnetic interactions in assemblies formed by either aggregated or disaggregated uniform gamma-Fe_2O_3 particles are investigated as a function of particle size, concentration, and applied field. Hyperthermia and magnetization m[...]texto impreso
Alonso Orts, Manuel ; Sanchez, Ana M ; Hindmarsh, Steven A ; López, Iñaki ; Nogales Díaz, Emilio ; Piqueras de Noriega, Javier ; Méndez Martín, Bianchi | Amer Chemical Soc | 2017-01-11Tailoring the shape of complex nanostructures requires control of the growth process. In this work, we report on the selective growth of nanostructured tin oxide on gallium oxide nanowires leading to the formation of SnO_2/Ga_2O_3 complex nanost[...]texto impreso
Barragán García, Vicenta María ; Izquierdo Gil, María Amparo ; Godino Gómez, María Paz ; García Villaluenga, Juan Pedro | Amer Chemical Soc | 2009-10-01The effect of an ac sinusoidal perturbation of known amplitude and frequency superimposed to the usual dc applied electric voltage difference on the electroosmotic flow through three cation-exchange membranes with different morphology has been s[...]texto impreso
Maestre Varea, David ; Hernandez, Elena ; Cremades Rodríguez, Ana Isabel ; Matteo, Amati ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2012-05Microtubes of Er-doped SnO2, as well as nanorods and nanoparticles, have been fabricated by a thermal evaporation deposition method at temperatures between 1400 and 1500 degrees C, by using a pellet of compacted SnO2 and Er2O3 powder mixture as [...]texto impreso
Díaz García, Elena ; Domínguez-Adame Acosta, Francisco ; Gutiérrez, Rafael ; Cuniberti, Gianaurelio ; Mujica, Vladimiro | Amer Chemical Soc | 2018We use a nonlinear master equation formalism to account for thermal and disorder effects on spin-dependent electron transport in helical organic molecules coupled to two ideal leads. The inclusion of these two effects has important consequences [...]