BackExaminar Artículos, Comunicaciones, Libros por departamento (eus.) "Fisika aplikatua I"
Now showing items 21-40 of 227
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Anharmonicity Reveals the Tunability of the Charge Density Wave Orders in Monolayer VSe2
; ; ; ; Errea Lope, Ion
(American Chemical Society, 2023-02)
VSe2 is a layered compound that has attracted great attention due to its proximity to a ferromagnetic state that is quenched by its charge density wave (CDW) phase. In the monolayer limit, unrelated experiments have reported ... -
Anomalous High‐Temperature Superconductivity in YH6
Troyan, Ivan A.; Semenok, Dmitrii V.; Kvashnin, Alexander G.; Sadakov, Andrey V.; Sobolevskiy, Oleg A.; Pudalov, Vladimir M.; Ivanova, Anna G.; Prakapenka, Vitali B.; Greenberg, Eran; Gavriliuk, Alexander G.; Lyubutin, Igor S.; Struzhkin, Viktor V.; Bergara Jauregui, Aitor; Errea Lope, Ion; Bianco, Raffaello; Calandra, Matteo; Mauri, Francesco; Monacelli, Lorenzo; Akashi, Ryosuke; Oganov, Artem R. (Wiley-VCH GmbH, 2021-03-10)
Pressure‐stabilized hydrides are a new rapidly growing class of high‐temperature superconductors, which is believed to be described within the conventional phonon‐mediated mechanism of coupling. Here, the synthesis of one ... -
Assessing the feasibility of near-ambient conditions superconductivity in the Lu-N- H system
; Dangic, Dorde; Errea Lope, Ion (Springer Nature, 2024-04-24)
The report of near-ambient superconductivity in nitrogen-doped lutetium hydrides (Lu-N-H) has generated a great interest. However, conflicting results raised doubts regarding superconductivity. Here, we combine high-throughput ... -
Atomically-Precise Texturing of Hexagonal Boron Nitride Nanostripes
Ali, Khadiza; Fernández, Laura; Kherelden, Mohammad A.; Makarova, Anna A.; Píš, Igor; Bondino, Federica; Lawrence, James; G. de Oteyza, Dimas; Usachov, Dmitry Yu; Vyalikh, Denis V.; García de Abajo, F. Javier; Abd El-Fattah, Zakaria M.; Ortega Conejero, José Enrique; Schiller, Frederik (Wiley, 2021-09)
Monolayer hexagonal boron nitride (hBN) is attracting considerable attention because of its potential applications in areas such as nano- and opto-electronics, quantum optics and nanomagnetism. However, the implementation ... -
Band Structure and Energy Level Alignment of Chiral Graphene Nanoribbons on Silver Surfaces
Corso, Martina; Menchón, Rodrigo E.; Piquero Zulaica, Ignacio; Vilas Varela, Manuel; Ortega Conejero, José Enrique; Peña, Diego; De Oteyza, Dimas G. (MDPI, 2021-12-06)
Chiral graphene nanoribbons are extremely interesting structures due to their narrow band gaps and potential development of spin-polarized edge states. Here, we study their band structure on low work function silver surfaces. ... -
Bending rigidity, sound propagation and ripples in flat graphene
; ; ; ; ; ; ; ; ; Errea Lope, Ion (Springer Nature, 2024-05-16)
Many of the applications of graphene rely on its uneven stiffness and high thermal conductivity, but the mechanical properties of graphene—and, in general, of all two-dimensional materials—are still not fully understood. ... -
Black metal hydrogen above 360 GPa driven by proton quantum fluctuations
Monacelli, Lorenzo; Errea Lope, Ion; Calandra, Matteo; Mauri, Francesco (Nature Physics, 2020-09-07)
Hydrogen metallization under stable conditions is a major quest for realizing the first room temperature su- perconductor. Recent low-temperature experiments report different metallization pressures, varying from 360GPa ... -
Calibration of the X-ray Diffraction Technique in Measuring In-service Stresses in Corrugated Steel Bars
; Luengas Carreño, Daniel; (Springer, 2021-10-25)
[EN]The X-ray diffraction technique for determining residual stresses in construction steels has been commonly used in the international scientific community for decades. Taking advantage of the concepts on which the ... -
Cellular patterns and dry convection in textured dust storms at the edge of Mars North Polar Cap
Sánchez Lavega, Agustín María; ; ; ; ; Ordoñez Etxeberria, Iñaki ; ; ; ; ; ; (Elsevier, 2022-11)
We present a study of textured local dust storms that develop at the northern polar cap boundary on Mars springtime. We have used images obtained with VMC and HRSC cameras onboard Mars Express and MARCI on MRO to analyze ... -
Characterisation of deposited dust particles on Mars insight lander Instrument Context Camera (ICC) lens
; Pérez Hoyos, Santiago; Sánchez Lavega, Agustín María ; (Elsevier, 2023-03)
The ubiquitous dust in the Martian environment plays a key role in its weather and climate: it must be taken into account in the interpretation of remote sensing data and observations, and could pose a potential risk to ... -
Characterization of Chromatic Dispersion and Refractive Index of Polymer Optical Fibers
Ayesta Ereño, Igor; ; Arrue Aramburu, Juan Antonio ; Illarramendi Leturia, María Asunción ; Azkune Ulla, Mikel (MDPI, 2017-12-20)
The chromatic dispersion and the refractive index of poly(methyl methacrylate) polymer optical fibers (POFs) have been characterized in this work by using a tunable femtosecond laser and a Streak Camera. The characterization ... -
Characterizing Subsurface Rectangular Tilted Heat Sources Using Inductive Thermography
Mendioroz Astigarraga, María Aránzazu; ; ; ; ; Salazar Hernández, Agustín (MDPI, 2020-08-06)
In this study, we characterize the lateral dimension, depth, and inclination of buried tilted rectangular heat sources from time domain temperature data measured at the surface. The heat sources are representative for ... -
Characterizing the shape and heat production of open vertical cracks in burst vibrothermography experiments
Mendioroz Astigarraga, María Aránzazu; ; ; Salazar Hernández, Agustín (Elsevier, 2019)
We present a quantitative characterization of the heat flux distribution generated at open vertical cracks in burstvibrothermography experiments. We use a stabilized inversion algorithm that is able to retrieve both ... -
Charge and spin state of dilute Fe in NaCl and LiF
Unzueta Solozabal, Iraultza; (American Physical Society, 2022-11)
There is an apparent mismatch between electron paramagnetic resonance and Mössbauer spectroscopy results on the charge and spin states of dilute Fe impurities in NaCl; Mössbauer spectroscopy data have been interpreted in ... -
Children’s Pictorial Expression of Plant Life and Its Connection with School-Based Greenness
Zaballa Pereiro, Ilargi; Merino Maestre, María; (MDPI, 2021-04-29)
Previous research highlights the positive influence that experiences in nature have on children’s physical, emotional and conceptual development. There is also evidence that indicates that the availability of green areas ... -
Cloud morphology and dynamics in Saturn’s northern polar region
Antuñano Martín, Arrate; ; Sánchez Lavega, Agustín María ; Rodríguez Aseguinolaza, Javier (Elsevier, 2017-07-29)
We present a study of the cloud morphology and motions in the north polar region of Saturn, from latitude ∼ 70°N to the pole based on Cassini ISS images obtained between January 2009 and November 2014. This region shows a ... -
CO and O2 interaction with kinked Pt surfaces
; ; ; Ortega Conejero, José Enrique (ACS, 2024-04)
We investigate the chemical interaction of carbon monoxide (CO) and oxygen (O2) with kink atoms on steps of platinum crystal surfaces using a specially designed Pt curved sample. We aim at describing the fundamental stages ... -
Coercivity and Magnetic Anisotropy of (Fe0.76Si0.09B0.10P0.05)97.5Nb2.0Cu0.5 Amorphous and Nanocrystalline Alloy Produced by Gas Atomization Process
Alvarez, Kenny L.; Martín, José Manuel; Burgos, Nerea; ; Domínguez Carrascoso, María Lourdes; González Estévez, Julián María (MDPI, 2020-05-04)
We present the evolution of magnetic anisotropy obtained from the magnetization curve of (Fe0.76Si0.09B0.10P0.05)97.5Nb2.0Cu0.5 amorphous and nanocrystalline alloy produced by a gas atomization process. The material obtained ... -
Comprehensive study of the magnetic phase transitions in Tb3Co combining thermal, magnetic and neutron diffraction measurements
Herrero Hernández, Aritz; ; ; ; Salazar Hernández, Agustín ; (Elsevier, 2019-05-22)
A comprehensive study of the magnetic phase transitions in Tb3Co has been undertaken combining different techniques. Using single crystal neutron diffraction in the paramagnetic state a weak crystal structure distortion ... -
Constraints on the structure and seasonal variations of Triton's atmosphere from the 5 October 2017 stellar occultation and previous observations
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; Hueso Alonso, Ricardo; Pérez Hoyos, Santiago ; Sánchez Lavega, Agustín María ; Rojas Palenzuela, José Félix ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; Ordoñez Etxeberria, Iñaki ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; (EDP Sciences, 2022)
Context. A stellar occultation by Neptune's main satellite, Triton, was observed on 5 October 2017 from Europe, North Africa, and the USA. We derived 90 light curves from this event, 42 of which yielded a central flash ...