BackExaminar Artículos por departamento (eus.) "Fisika aplikatua I"
Now showing items 21-40 of 216
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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. ... -
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 ... -
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 ... -
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 ... -
Convective storms in closed cyclones in Jupiter's South Temperate Belt: (I) observations
Hueso Alonso, Ricardo; Iñurrigarro Rodríguez, Peio ; Sánchez Lavega, Agustín María ; ; Rogers, John ; Orton, Glenn S. ; ; ; Ordoñez Etxeberria, Iñaki ; Rojas Palenzuela, José Félix ; ; Sanz Requena, J. F. ; Pérez Hoyos, Santiago ; ; ; ; Antuñano Martín, Arrate ; ; ; ; ; (Elsevier, 2022-07-01)
On May 31, 2020 a short-lived convective storm appeared in one of the small cyclones of Jupiter's South Temperate Belt (STB) at planetographic latitude 30.8S. The outbreak was captured by amateur astronomer Clyde Foster ... -
Convective storms in closed cyclones in Jupiter: (II) numerical modeling
Iñurrigarro Rodríguez, Peio; Hueso Alonso, Ricardo ; Sánchez Lavega, Agustín María ; (Elsevier, 2022-11)
On May 31, 2020 a convective storm appeared in one small cyclone in the South Temperate Belt (STB) of Jupiter. The storm, nicknamed as Clyde's Spot, had an explosive start and quickly diminished in activity in a few days. ... -
Convective Vortices and Dust Devils Detected and Characterized by Mars 2020
Hueso Alonso, Ricardo; ; ; Munguira Ruiz, Asier ; Sánchez Lavega, Agustín María ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; (American Geophysical Union, 2023-02)
We characterize vortex and dust devils (DDs) at Jezero from pressure and winds obtained with the Mars Environmental Dynamics Analyzer (MEDA) instrument on Mars 2020 over 415 Martian days (sols) (Ls = 6°–213°). Vortices are ... -
Crank-Nicholson method for rate equations in powder random lasers
García Ramiro, María Begoña; Illarramendi Echave, María Aránzazu ; (IOP Publishing, 2015)
In this work, we show the resolution of the rate equations in powder random lasers by using the Crank-Nicholson finite difference method. Light propagation in our powders is described by the model of light diffusion. The ... -
Critical behavior of the ferromagnetic transition in GdSc(Si,Ge) intermetallic compounds
Herrero Hernández, Aritz; ; ; ; Salazar Hernández, Agustín (Elsevier, 2018-07-26)
A complete study on the critical behavior of the paramagnetic to ferromagnetic transition in intermetallics GdScSi, GdScGe, GdSc(Si0.5Ge0.5) and Gd(Sc0.5Ti0.5)Ge has been carried out by means of magnetic as well as ...