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Autor Maestre Varea, David |
Documentos disponibles escritos por este autor (58)
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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
Bartolomé Vílchez, Javier ; Maestre Varea, David ; Cremades Rodríguez, Ana Isabel | Wiley?VCH Verlag GmbH | 2018Indium sulfide (In_2S_3) is a promising candidate for the replacement of CdS buffer layers in solar cell devices, while hexaindium heptasulfide (In_6S_7) presents interesting properties for its use as absorber material. In this work the fabricat[...]texto impreso
Peche Herrero, M. A. ; Maestre Varea, David ; Ramirez Castellanos, J. ; Cremades Rodríguez, Ana Isabel ; Piqueras de Noriega, Javier ; Gonzalez Calvet, J. M. | RSC Royal Society of Chemistry | 2014SnO_2 nanoparticles doped with transition metals (V, Cr, Mn) have been synthesized by both the hydrothermal method (HDT) in a basic media and the liquid mixed method (LQM) based on the Pechini method. Nanocrystalline particles obtained via a liq[...]texto impreso
Maestre Varea, David ; Cremades Rodríguez, Ana Isabel ; Piqueras de Noriega, Javier ; Gregorati, Luca | American Institute of Physics | 2008-05-01In-doped SnO_2 microtubes as well as Sn-doped In_2O_3 (ITO) nano- and microislands have been grown by thermal treatment of compacted SnO_2-In_2O powders under argon flow at 1350 degrees C in a catalyst-free process. The SnO_2 tubes contain about[...]texto impreso
García Tecedor, Miguel ; Prado Hurtado, Félix del ; Bueno, Carlos ; Vásquez, G. Cristian ; Bartolomé Vílchez, Javier ; Maestre Varea, David ; Díaz, Tomás ; Cremades Rodríguez, Ana Isabel ; Piqueras de Noriega, Javier | American Institute of Materials Science (AIMS) | 2016Microtubes and rods with nanopipes of transparent conductive oxides (TCO), such as SnO_2, TiO_2, ZnO and In_2O_3, have been fabricated following a vapor-solid method which avoids the use of catalyst or templates. The morphology of the as-grown t[...]texto impreso
García Tecedor, Miguel ; Prado Hurtado, Félix del ; Torres Padilla, Dorcas I. ; Maestre Varea, David ; Cremades Rodríguez, Ana Isabel | Wiley VCH | 2018-10-10Tin oxide low dimensional structures increasingly attract attention due to their wide application area. Indeed, by attaining new morphologies and properties the potential applications might increase the device portfolio. Furthermore, an adequate[...]texto impreso
Bartolomé Vílchez, Javier ; Maestre Varea, David ; Amati, Mateo ; Cremades Rodríguez, Ana Isabel ; Piqueras de Noriega, Javier | Springer | 2013-09-27Indium-zinc oxide nanostructures, such as nanosheets, nanobelts, and wires formed by oriented stacks of nanoplates have been grown by a controlled thermal evaporation method without the use of a foreign catalyst. Surface features in the stacked [...]texto impreso
Vásquez, G. C. ; Maestre Varea, David ; Cremades Rodríguez, Ana Isabel ; Ramírez Castellanos, Julio ; Magnano, Elena ; Nappini, Silvia ; Karazhanov, Smagul Zh. | Nature Publishing Group | 2018-05-07The effects of Cr on local environment and electronic structure of rutile TiO? are studied combining theoretical and experimental approaches. Neutral and negatively charged substitutional Cr impurities Cr_(Ti)(0)* and Cr_(Ti)(-1)* as well as Cr[...]