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Listar Artículos (Instituto de Ciencia de Materiales de Sevilla (ICMS) – CIC Cartuja) por autor "Fernández Camacho, Asunción"
Mostrando ítems 1-20 de 26
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Artículo
Behaviour of Au-citrate nanoparticles in seawater and accumulation in bivalves at environmentally relevant concentrations
Rojas Ruiz, Teresa Cristina; García Negrete, Carlos Andrés; Blasco Moreno, Julián; Hampel, Miriam; Lapresta Fernández, Alejandro; Jiménez de Haro, María del Carmen; Fernández Camacho, Asunción; Soto, M.; Volland, M. (2013-03)The degree of aggregation and/or coalescence of Au-citrate nanoparticles (AuNPs, mean size 21.5 ± 2.9 nm), after delivery ...
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Characterisation of Co@Fe3O4 core@shell nanoparticles using advanced electron microscopy
Knappett, Benjamin R.; Abdulkin, Pavel; Ringe, Emilie; Jefferson, David A.; Lozano Pérez, Sergio; Rojas Ruiz, Teresa Cristina; Fernández Camacho, Asunción; Wheatley, Andrew E.H. (Royal Society of Chemistry, 2013)Cobalt nanoparticles were synthesised via the thermal decomposition of Co2(CO)8 and were coated in iron oxide using Fe(CO)5. ...
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Characterization and Validation of a‑Si Magnetron-Sputtered Thin Films as Solid He Targets with High Stability for Nuclear Reactions
Fortio Godinho, Vanda Cristina; Ferrer Fernández, Francisco Javier; Fernández Martínez, Begoña; Caballero Hernández, Jaime; Gómez Camacho, Joaquín José; Fernández Camacho, Asunción (American Chemical Society, 2016)In this work, we present our magnetron sputtering based methodology to produce amorphous silicon coatings with closed ...
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Chemistry, nanostructure and magnetic properties of Co-Ru-B-O nanoalloys
Arzac, G. M.; Rojas Ruiz, Teresa Cristina; Gontard, Lionel C.; Chinchilla, Lidia E.; Otalora, E.; Crespo, P.; Fernández Camacho, Asunción (Royal Society of Chemistry, 2014)In our previous works, Co-B-O and Co-Ru-B-O ultrafine powders with variable Ru content (xRu) were studied as catalysts for ...
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Dependence of exchange anisotropy and coercivity on the Fe–oxide structure in oxygen-passivated Fe nanoparticles
Prados, C.; Multigner, M.; Hernando, Antonio; Sánchez López, Juan Carlos; Fernández Camacho, Asunción; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro (American Institute of Physics, 1999)Ultrafine Fe particles have been prepared by the inert gas condensation method and subsequently oxygen passivated. The ...
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Exploring the benefits of depositing hard TiN thin films by non-reactive magnetron sputtering
Martínez Martínez, Diego; López Cartes, Carlos; Fernández Camacho, Asunción; Sánchez López, Juan Carlos (Elsevier, 2013)The aim of this paper is to compare the mechanical and tribological properties of TiN coatings prepared in a conventional ...
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Full solution processed mesostructured optical resonators integrating colloidal semiconductor quantum dots
Calvo Roggiani, Mauricio; Hidalgo, Nuria; Schierholz, Roland; Kovács, Andras; Fernández Camacho, Asunción; Bellino, Martín G.; Soler-Illia, G.J.A.A.; Míguez García, Hernán Ruy (Royal Society of Chemistry, 2015)Herein we show a solution based synthetic pathway to obtain a resonant optical cavity with embedded colloidal semiconductor ...
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Hydrogen production through sodium borohydride ethanolysis
Arzac, G. M.; Fernández Camacho, Asunción (Elsevier, 2015)In this work, sodium borohydride (SB) ethanolysis was explored for the first time as a method to generate hydrogen for ...
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Impregnation of carbon black for the examination of colloids using TEM
Cervera Gontard, Lionel; Knappett, Benjamin R.; Wheatley, Andrew E.H.; Chang, Shery L.-Y; Fernández Camacho, Asunción (Elsevier, 2014)Nanoparticles are frequently synthesised as colloids, dispersed in solvents such as water, hexane or ethanol. For their ...
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Investigation of a Pt containing washcoat on SiC foam for hydrogen combustion applications
Fernández Camacho, Asunción; Arzac, G. M.; Vogt, U.F.; Hosoglu, F.; Borgschulte, A.; Jiménez de Haro, María del Carmen; Montes, O.; Züttel, A. (Elsevier, 2016)A commercial Pt based washcoat, used for catalytic methane combustion, was studied supported on a commercial SiC foam as ...
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Magnetic and microstructural analysis of palladium nanoparticles with different capping systems
Litrán Ramos, Rocío; Sampedro, Blanca; Rojas Ruiz, Teresa Cristina; Multigner, Marta; Sánchez López, Juan Carlos; Crespo, Patricia; López Cartes, Carlos; García García, Miguel Ángel; Hernando, Antonio; Fernández Camacho, Asunción (American Physical Society, 2006)Palladium nanoparticles capped with different protective systems in a size range between 1.2 and 2.4 nm have been obtained ...
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Magnetometry and electron paramagnetic resonance studies of phosphine- and thiol-capped gold nanoparticles
Guerrero, Estefanía; Muñoz Márquez, Miguel Ángel; Fernández Camacho, Asunción; Crespo, P.; Hernando, Antonio; Lucena, R.; Conesa Cegarra, José Carlos (American Institute of Physics, 2010)In the last years, the number of studies performed by wholly independent research groups that confirm the permanent ...
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Artículo
Magnetron sputtered a-SiOxNy thin films: A closed porous nanostructure with controlled optical and mechanical properties
Fortio Godinho, Vanda Cristina; Rojas Ruiz, Teresa Cristina; Fernández Camacho, Asunción (2012)were prepared by magnetron sputtering. Pores size, shape and distribution were evaluated by scanning electron microscopy ...
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Microstructural characterization of hydrophobic Ti1−xAlxN coatings with moth-eye-like surface morphology
Fortio Godinho, Vanda Cristina; López Santos, Carmen; Rojas Ruiz, Teresa Cristina; Philippon, D.; Jiménez de Haro, María del Carmen; Lucas, S.; Fernández Camacho, Asunción (Elsevier, 2012-09-25)Ti1−xAlxN thin films with different Al content were deposited by magnetron sputtering. The combination of electron energy ...
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Nanoscale mechanically induced structural and electrical changes in Ge 2Sb 2Te 5 films
Cecchini, R.; Benítez Jiménez, José Jesús; Sánchez López, Juan Carlos; Fernández Camacho, Asunción (American Institute of Physics, 2012)We demonstrate that the microstructure and electrical properties of Ge 2Sb 2Te 5 films can be changed by a nanoscale ...
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On the formation of the porous structure in nanostructured a-Si coatings deposited by dc magnetron sputtering at oblique angles
Fortio Godinho, Vanda Cristina; Moskovkin, P.; Álvarez Molina, Rafael; Caballero Hernández, Jaime; Schierholz, R.; Bera, B.; Demarche, J.; Palmero Acebedo, Alberto; Fernández Camacho, Asunción; Lucas, S. (Institute of Physics Publishing, 2014)The formation of the porous structure in dc magnetron sputtered amorphous silicon thin films at low temperatures is studied ...
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Pt-impregnated catalysts on powdery SiC and other commercial supports for the combustion of hydrogen under oxidant conditions
Arzac, G. M.; Montes, O.; Fernández Camacho, Asunción (Elsevier, 2016)We report the study of the catalytic hydrogen combustion over Pt-impregnated powdery silicon carbide (SiC) using H2PtCl6 ...
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Shape-defined nanodimers by tailored heterometallic epitaxy
García Negrete, Carlos Andrés; Rojas Ruiz, Teresa Cristina; Knappett, Benjamin R.; Jefferson, David A.; Wheatley, Andrew E.H.; Fernández Camacho, Asunción (Royal Society of Chemistry (Great Britain), 2014)The systematic construction of heterogeneous nanoparticles composed of two distinct metal domains (Au and Pt) and exhibiting ...
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Simultaneous quantification of light elements in thin films deposited on Si substrates using proton EBS (Elastic Backscattering Spectroscopy)
Ferrer Fernández, Francisco Javier; Alcaire Martín, María; Caballero Hernández, Jaime; García García, Francisco Javier; Gil Rostra, Jorge; Terriza Fernández, Antonia; Fortio Godinho, Vanda Cristina; García López, Francisco Javier; Barranco Quero, Ángel; Fernández Camacho, Asunción (Elsevier, 2014)Quantification of light elements content in thin films is an important and difficult issue in many technological fields ...
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STEM-in-SEM high resolution imaging of gold nanoparticles and bivalve tissues in bioaccumulation experiments
García Negrete, Carlos Andrés; Jiménez de Haro, María del Carmen; Blasco, Javier; Soto, M.; Fernández Camacho, Asunción (Royal Society of Chemistry (Great Britain), 2015)The methodology termed scanning transmission electron microscopy in scanning electron microscopy (STEM-in-SEM) has been ...