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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[...]
