BackExaminar INVESTIGACIÓN por departamento (eus.) "Fisika"
Now showing items 1-20 of 232
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3D Topological Photonic Crystals: Theoretical Methods and Applications
(2023-12-13)The concept of topology has revolutionized our understanding of condensed matter physics, leading to the discovery of novel electronic phases and the emergence of topological materials. In recent years, this concept has ... -
A comprehensive review of C-S-H empirical and computational models, their applications, and practical aspects
Duque Redondo, Eduardo
; ; Manzano Moro, Hegoi (Elsevier, 2022-06)
[EN] The C-S-H gel is an elusive material. Its variable composition and disordered nature complicate a complete characterization of its atomic structure, and the elaboration of models is key to understanding it. This work ... -
A Dissolution Model of Alite Coupling Surface Topography and Ions Transport under Different Hydrodynamics Conditions at Microscale
Chen, Jiayi; Martín, Pablo; Xu, Zhiyuan; Manzano Moro, Hegoi; Sánchez Dolado, Jorge; Ye, Guang (Elsevier, 2021-04)
Portland cement is the most produced material in the world. The hydration process of cement consists of a group of complex chemical reactions. In order to investigate the mechanism of cement hydration, it is vital to study ... -
A family of Cd(ii) coordination polymers constructed from 6-aminopicolinate and bipyridyl co-linkers: study of their growth in paper and photoluminescence sensing of Fe3+ and Zn2+ ions
; ; ; ; ; ; Seco Botana, José Manuel; (RSC, 2024-06)
In this work, we report on five novel coordination polymers (CPs) based on the linkage of the [Cd(6apic)2] building block [where 6apic = 6-aminopicolinate] by different bipyridine-type organic spacers, forming different ... -
A kinetic Monte Carlo study of the C3S dissolution mechanism
; ; ; ; Manzano Moro, Hegoi (Elsevier, 2024-06-09)
Understanding the mechanism that controls cement hydration and its stages is a long-standing challenge. Over a decade ago, the mineral dissolution theory was adopted from geochemistry to explain the hydration rate evolution ... -
A Lamellar Zn-Based Coordination Polymer Showing Increasing Photoluminescence upon Dehydration
; ; Castillo García, Oscar; Luque Arrebola, Antonio ; ; ; (MDPI, 2023-07-25)
The present study reports on a 2D lamellar coordination polymer (CP) of {[Zn(µ3-pmdc)(H2O)]·H2O}n formula (pmdc = pyrimidine-4,6-dicarboxylate). This CP is synthesized under an appropriate acid-base reaction between the ... -
A Luminescent MOF Based on Pyrimidine-4,6-dicarboxylate Ligand and Lead(II) with Unprecedented Topology
(MDPI, 2023-10-13)In the present work, we report on a 3D MOF of {[Pb5(μ3-OH)(μ3-NO3)3(μ6-pmdc)3]·H2O}n formula (pmdc = pyrimidine-4,6-dicarboxylate) synthesized by an oven-heated, solvent-free procedure. The large connectivity afforded by ... -
A Milestone in the Chemical Synthesis of Fe3O4 Nanoparticles: Unreported Bulklike Properties Lead to a Remarkable Magnetic Hyperthermia
; ; ; ; ; ; ; Orue Goikuria, Iñaki; ; (ACS, 2021-11-10)
Among iron oxide phases, magnetite (Fe3O4) is often the preferred one for nanotechnological and biomedical applications because of its high saturation magnetization and low toxicity. Although there are several synthetic ... -
A molecular perspective on the emergence of long-range polar order from an isotropic fluid
; ; ; Martínez Perdiguero, Jesús (Elsevier, 2024-06-06)
The ferroelectric nematic phase (NF) has quickly become the most studied system in liquid crystal research. In this work, we investigate the origin of such polar structure by studying a compound for which the NF phase ... -
A potential C-S-H nucleation mechanism: atomistic simulations of the portlandite to C-S-H transformation
; ; ; Etxebarria Altzaga, Iñigo; Manzano Moro, Hegoi (Elsevier, 2022-12)
The nucleation of the C-S-H gel is a complex process, key to controlling the hydration kinetics and microstructure development of cement. In this paper, a mechanism for the crystallization step during the C-S-H gel ... -
A probabilistic model and capturing device for remote simultaneous estimation of spectral emissivity and temperature of hot emissive materials
Picón Ruiz, Artzai; ; ; López, Gabriel Alejandro ; (Institute of Electrical and Electronics Engineers, 2021-07-12)
[EN] Estimating the temperature of hot emissive samples (e.g. liquid slag) in the context of harsh industrial environments such as steelmaking plants is a crucial yet challenging task, which is typically addressed by ... -
A study of the charge storage mechanism in iron rich transition metal layered oxides for sodium-ion batteries: structural evolution, reaction kinetics and high voltage stability
(2021-07-19)Las baterías de sodio ión están consideradas como una de las tecnologías más prometedoras como alternativa a las de litio ión usadas comúnmente a día de hoy. Especialmente, los óxidos laminares son uno de los candidatos ... -
Additive Manufacturing of Fe-Mn-Si-Based Shape Memory Alloys: State of the Art, Challenges and Opportunities
; ; ; ; ; ; ; ; ; San Juan Núñez, José María (MDPI, 2023-12-05)
Additive manufacturing (AM) constitutes the new paradigm in materials processing and its use on metals and alloys opens new unforeseen possibilities, but is facing several challenges regarding the design of the microstructure, ... -
Aleaciones con Memoria de Forma de Cu-Al-Ni-Be para muy bajas temperaturas: Síntesis y caracterización microestructural, térmica y mecánica
(2021-10-22)Las aleaciones con memoria de forma (SMA: Shape Memory Alloys) presentan unatransformación martensítica termoelástica que les confiere las propiedades de Memoria deForma (MF) y efecto superelástico (ES). Esta transformación ... -
An effective model for the quantum Schwarzschild black hole
; ; Vera Jiménez, Raül (Elsevier, 2022-06-10)
We present an effective theory to describe the quantization of spherically symmetric vacuum motivated by loop quantum gravity. We include anomaly-free holonomy corrections through a canonical transformation and a linear ... -
An Epilepsy-Causing Mutation Leads to Co-Translational Misfolding of the Kv7.2 Channel
; ; ; ; ; ; Núñez Viadero, Eider; ; ; ; ; (Springer, 2021-05-21)
BACKGROUND: The amino acid sequence of proteins generally carries all the necessary information for acquisition of native conformations, but the vectorial nature of translation can additionally determine the folding outcome. ... -
An improved search for the electric dipole moment of the τ lepton
(Springer, 2022-04-20)We report a measurement of the electric dipole moment of the tau lepton (d(tau)) using an 833 fb(-1) data sample collected near the Upsilon(4S) resonance, with the Belle detector at the KEKB asymmetric-energy e(+)e(-) ... -
Análisis estadístico y predicción de viento
(2021-06-01)El objetivo principal de esta tesis es el análisis estadístico del viento en diferentes ámbitos relacionados, como son dos escalas temporales, extremos y una metodología de evaluación bidimensional.El primero es la predicción ... -
Angle-resolved direct emissivity measurements on unencapsulated solar cells for passive thermal control
González de Arrieta Martinez, Iñigo; Echániz Ariceta, Telmo ; ; López, Gabriel Alejandro (IEEE, 2024-03-18)
The emissivity of two unencapsulated photovoltaic cells has been measured by a direct radiometric method, between 30 and 50 °C, and indirectly at room temperature. The advantages of the angle-resolved direct method for the ... -
Applications of laser-spot thermography to thermal diffusivity and crack measurements on static and moving samples
Colom Serra, Mateu (2021-07-15)
Esta tesis tiene como objetivo explorar la termografía infrarroja con excitación óptica focalizada para estudiar la difusividad térmica en el plano y para la caracterización de grietas. Por un lado, se investiga la difusividad ...