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Amer Chemical Soc |
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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 [...]texto impreso
Vanadium pentoxide (V_2O_5) nanorods and nanotips have been grown without a catalyst by a thermal deposition method using compacted V_2O_5 powder as the starting material. The tips, with diameters of about 50-100 nm, grow on the top of rods of l[...]texto impreso
Cortés Llanos, Belén ; Serrano, Aída ; Muñoz-Noval, Alvaro ; Urones-Garrote, Esteban ; Adolfo del Campo, José F. Marco ; Ayuso Sacido, Angel ; Pérez García, Lucas | Amer Chemical Soc | 2017-10-19Nowadays, iron oxide-based nanostructures are key materials in many technological areas. Their physical and chemical properties can be tailored by tuning the morphology. In particular, the possibility of increasing the specific surface area has [...]texto impreso
A major challenge for future spintronics is to develop suitable spin transport channels with long spin lifetime and propagation length. Graphene can meet these requirements, even at room temperature. On the other side, taking advantage of the fa[...]texto impreso
Khomenkova, L. ; Fernández Sánchez, Paloma ; Piqueras de Noriega, Javier | Amer Chemical Soc | 2007-04ZnO microspheres, with surfaces covered with nanowalls, as well as nano- and microrods, have been grown by thermal treatment of ZnS powder. The structures have been grown at temperatures in the range of 750-900 ºC in a catalyst-free process. Pre[...]