Examinar INVESTIGACIÓN por departamento (eus.) "Fisika aplikatua II"
Now showing items 21-40 of 58
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Higher-Order Topological Insulators
(American Association for the Advancement of Science, 2018-06)Three-dimensional topological (crystalline) insulators are materials with an insulating bulk but conducting surface states that are topologically protected by time-reversal (or spatial) symmetries. We extend the notion of ... -
Historical Evolution of theWave Resource and Energy Production off the Chilean Coast over the 20th Century
(MDPI, 2018-09)The wave energy resource in the Chilean coast shows particularly profitable characteristics for wave energy production, with relatively high mean wave power and low inter-annual resource variability. This combination is ... -
Influence of season-depending ecological variables on biomarker baseline levels in mussels (Mytilus trossulus) from two Baltic Sea subregions
(Science Direct, 2019-06-26)For reliable mussel monitoring programmes based on biomarkers, regionally relevant reference values and their natural variability need to be known. The Baltic Sea exhibits high inter-regional and seasonal variability in ... -
Influence of Structural Defects on the Properties of Metamagnetic Shape Memory Alloys
(MDPI, 2020-08-22)The production of μ-particles of Metamagnetic Shape Memory Alloys by crushing and subsequent ball milling process has been analyzed. The high energy involved in the milling process induces large internal stresses and high ... -
Influence of Upconversion Processes in the Optically-Induced Inhomogeneous Thermal Behavior of Erbium-Doped Lanthanum Oxysulfide Powders
(MDPI, 2016-05-11)The efficient infrared-to-visible upconversion emission present in Er-doped lanthanum oxysulfide crystal powders is used as a fine thermal sensor to determine the influence of upconversion processes on the laser-induced ... -
Infrared emissivity of copper-alloyed spinel black coatings for concentrated solar power systems
(Elsevier, 2019-05-24)The directional spectral emissivities of four new copper-alloyed spinel coatings for concentrated solar power applications were measured up to 800 °C and compared Pyromark 2500®, deposited in the same conditions on Inconel ... -
Infrared emissivity of reduced-activation Eurofer 97 for fusion reactor applications
(Elsevier, 2021-02-28)The spectral directional emissivity of Eurofer 97 is reported between 423 and 873 K for two surface states. Total hemispherical data has been calculated by numerical integration of the measured data and compared to the ... -
Investigation of new nanofluids based on molten salts and their corrosion mechanisms for thermal energy storage applications.
(2019-10-11)Thermal energy storage (TES) is considered as a vital component for concentrated solar power (CSP) technology, which leads to cost-effective dispatchable electricity production. The commercial TES technology in CSP plants ... -
Isothermal oxidation kinetics of nitrided Ti-6Al-4V studied by infrared emissivity
(Elsevier, 2020-08-15)The oxidation kinetics of Ti-6Al-4V samples nitrided in forming gas (N2+5%H2) between 520 and 805 °C is investigated using infrared emissivity measurements. Several kinetic exponents have been observed depending on temperature ... -
Low temperature texture development in Nd 2 Fe 14 B/ α -Fe nanocomposite magnets via equal channel angular pressing
(American Institute of Physiscs, 2018-05)While suitable texture has been developed in Nd2Fe14B/alpha-Fe nanocomposites via thermomechanical processing methods such as die upsetting by incorporating low melting point eutectic Nd-Cu additives, significant grain ... -
Magnetic and Photoluminescent Sensors Based on Metal-Organic Frameworks Built up from 2-aminoisonicotinate
(2020-06-01)In this work, three isostructural metal-organic frameworks based on first row transition metal ions and 2-aminoisonicotinate (2ain) ligands, namely, {[M(mu-2ain)2]·DMF}n [MII=Co (1), Ni (2), Zn (3)], are evaluated for their ... -
Mesophase structure and behaviour in bulk and restricted geometry of a dimeric compound exhibiting a nematic–nematic transition
(Royal Society of Chemistry, 2016-07-28)We present structural studies of a dimeric compound composed of a central heptyl spacer linking two mesogens consisting of terphenyl units at which two adjacent fluoro groups are attached to each central ring. The terminal ... -
MIDAS: A Benchmarking Multi-Criteria Method for the Identification of Defective Anemometers in Wind Farms
(MDPI, 2018-12-22)A novel multi-criteria methodology for the identification of defective anemometers is shown in this paper with a benchmarking approach: it is called MIDAS: multi-technique identification of defective anemometers. The ... -
Ni–Ti-Hf High-Temperature Shape Memory Alloy: Measure of the Clausius-Clapeyron Coefficient Through Mechanical Spectroscopy
(Elsevier, 2021-03-05)The martensitic transformation of Ni49.5Ti35.5Hf15 high temperature shape memory alloy is characterized by internal friction measurements. The temperatures for the reversible B2 <-> B19' transformation appear in the range ... -
Numerical and observational study of the water balance over the Iberian Peninsula
(2018-03-19)Esta tesis estudia el balance de humedad sobre la Península Ibérica utilizando diferentes configuraciones del modelo WRF (sin y con asimilación de datos cada6 horas) y explora las posibilidades de los métodos de downscaling ... -
Optical functionalities of liquid crystals: Laser devices and nonlinear optics
(2016-12-02)Hoy en día los cristales líquidos (CLs) están presentes en múltiples aplicaciones cotidianas. Habitualmente en dispositivos visuales como pantallas de móviles, televisores o relojes. El presente trabajo se centra en dos ... -
Propiedades dieléctricas y térmicas de cristales líquidos: dímeros y bent-core
(2016-05-06)Los cristales líquidos son materiales de gran interés tecnológico que combinan propiedades de los líquidos, fluidez, y de los sólidos cristalinos, anisotropía.En esta tesis se presenta un estudio detallado de cristales ... -
Sensing Capacity in Dysprosium Metal & Organic Frameworks Based on 5-Aminoisophthalic Acid Ligand
(MDPI, 2022-04-28)Two novel metal-organic frameworks (MOFs), based on dysprosium as the metal and the 5-aminoisophthalic acid (5aip) ligand, have been solvothermally synthesized, with the aim of studying and modulating their luminescence ... -
Sensor Applications of Soft Magnetic Materials Based on Magneto-Impedance, Magneto-Elastic Resonance and Magneto-Electricity
(MDPI, 2014-04-25)The outstanding properties of selected soft magnetic materials make them successful candidates for building high performance sensors. In this paper we present our recent work regarding different sensing technologies based ... -
Single-Ion Magnet and Photoluminescence Properties of Lanthanide(III) Coordination Polymers Based on Pyrimidine-4,6-Dicarboxylate
(MDPI, 2021-01-04)Herein, we report the magnetic and photoluminescence characterization of coordination polymers (CP) built from the combination of lanthanide(III) ions, pyrimidine-4,6-dicarboxylate (pmdc) ligand and a co-ligand with formula ...