Buscar
Mostrando ítems 1-10 de 14
Tesis Doctoral
Porous One Dimensional Photonic Crystals for Enhanced Photovoltaic Performance of Dye Solar Cells
(2013)
In the context of photovoltaics, dye solar cells (DSCs) constitute an interesting choice to solid state semiconductor devices since they are expected to meet not only relatively high efficiency values but also non conventional ...
Artículo
Hydration properties of synthetic high-charge micas saturated with different cations: An experimental approach
(Walter de Gruyter, 2013)
An understanding of the interaction mechanisms between exchangeable cations and layered silicates is of interest from both a basic and an applied point of view. Among 2:1 phyllosilicates, a new family of swelling high-charge ...
Artículo
The prolific polytypism of silicon carbide
(International Union of Crystallography, 2013-02)
A worked example of polytypism is presented, aimed at assisting undergraduates in the learning and instructors in the teaching of this topic. In particular, this crystallography concept, not necessarily obvious for beginners, ...
Artículo
Metastable Soft Magnetic Materials Produced by Mechanical Alloying: Analysis Using an Equivalent Time Approach
(Springer Nature, 2013)
Mechanical alloying, a ball milling technique where heterogeneous starting powders are homogenized and alloyed, has become a versatile technique for the production of metastable microstructures: nanocrystalline and/or ...
Artículo
Low hysteresis and large room temperature magnetocaloric effect of Gd 5Si2.05-xGe1.95-xNi2x (2x 0.08, 0.1) alloys
(AIP Publishing, 2013-03-18)
Gd5Si2.05-xGe1.95-xNi2x (2x ¼ 0.08, 0.1) alloys were prepared by arc melting followed by annealing at 1273 K for 96 h. Mixed monoclinic Gd5Si2Ge2-type phase, orthorhombic Gd5Si4-type phase, and a small amount of Gd5Si3-type ...
Artículo
Removal of basic yellow cationic dye by an aqueous dispersion of Moroccan stevensite
(Elsevier, 2013)
The aim of this study was to investigate the adsorption of basic yellow, a cationic dye, from aqueous solution by natural stevensite, with 104m2/g of specific surface area. The kinetics and the effects of several experimental ...
Artículo
Evidence of nanograin cluster coalescence in spark plasma sintered α-Al2O3
(Elsevier, 2013)
The aim of this study is to elucidate the coarsening kinetics involved during densification of fine-grained pure α-alumina by spark plasma sintering. Low temperature and short dwell time sintering conditions were used to ...
Artículo
A Hh-driven gene network controls specification, pattern and size of the Drosophila simple eyes
(Company of Biologists Ltd, 2013)
During development, extracellular signaling molecules interact with intracellular gene networks to control the specification, pattern and size of organs. One such signaling molecule is Hedgehog (Hh). Hh is known to act as ...
Tesis Doctoral
New plasma-based synthesis procedures and applications of supported id-nanostructures
(2013-12-16)
En esta tesis aborda la síntesis de heteroestructuras 1D multifuncionales sobre sustratos procesables a baja temperatura usando métodos de deposición en vacío y por plasma. Las nanoestructuras desarrolladas son nanorods ...
Artículo
Magnetic properties and magnetocaloric effects in GdCo9Si2 compound with multiple magnetic phase transitions
(AIP Publishing, 2013-04-10)
The structure and magnetic properties of polycrystalline GdCo9Si2 compound have been investigated. It has a BaCd11 structure and undergoes two magnetic phase transitions: an antiferromagnetic to ferrimagnetic transition ...