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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 ...
Crystal structure and phase transition studies in perovskite-type oxides using powder-diffraction techniques and symmetry-mode analysis : SrLnMRuO6 (Ln=La,Pr,Nd; M=Zn,Co,Mg,Ni,Fe) and ALn2CuTi2O9 (A=Ca,Ba; Ln=La,Pr,Nd,Sm)
(2013-05-27)
La tesis se ha centrado en la síntesis y caracterización estructural de materiales tipo perovskita: SrLnMRuO6 (Ln=La,Pr,Nd; M=Zn,Co,Mg,Ni,Fe) y ALn2CuTi2O9 (A=Ca,Ba; Ln=La,Pr,Nd,Sm). El estudio de las estructuras de los ...
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 ...
Estudio de las estructuras cristalinas y de las transiciones de fase en nuevos materiales de wolframio (SrM2+W6+O) y de antimonio (AM3+Sb5+O) con estructura de perovskita doble.
(2009-10-09)
Los óxidos mixtos con estructura tipo perovskita doble A2BBO6 presentan gran interés desde el punto de vista científico y tecnológico debido a la gran variedad de propiedades que poseen: superconductoras, catalíticas, ...
Study of crystal structure and phase transition studies in perovskite-type oxides using powder-diffraction techniques and symmetry-mode analysis.
(2015-07-15)
In this work, six families of Perovskite materials have been studied: Na0.5K0.5NbO3, La2MMnO6, Sr2MSbO6 (M=Ln, Y, In), Ca2MSbO6 (M = Ln, Y, In) Sr2M1-xM¿xTeO6 (M, M¿= Co, Mn, Ni, Fe, Mg), and NaLnMM¿O6 (Ln = La, Nd, Pr; ...
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 ...
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 ...
High-temperature infrared emissivity of materials for alternative energy applications
(2020-07-03)
La emisividad es una propiedad termofísica que relaciona la cantidad de radiación térmica que emite un material con la radiada por un cuerpo negro. Se trata de una propiedad de gran importancia en ámbitos industriales y ...
Study of the Phase Transitions in the Binary System NPG-TRIS for Thermal Energy Storage Applications
(MDPI, 2020-03-05)
Neopentylglycol (NPG) and tris(hydroxymethyl)aminomethane (TRIS) are promising phase change materials (PCMs) for thermal energy storage (TES) applications. These molecules undergo reversible solid-solid phase transitions ...
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 ...