Faculty of Mathematics and Physics: Poslední příspěvky
Zobrazují se záznamy 61-80 z 131
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Spectral current density and responsivity scaling for Fourier transform photocurrent spectroscopy
původní článek
open access
vydavatelská verze
2023
,Review of Scientific Instruments
,94
(5)
We propose and experimentally verify a methodology to scale arbitrary units to photocurrent spectral density (A/eV) in Fourier transform Photocurrent (FTPC) spectroscopy. We also propose the FTPC scaling to responsivity ...
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Force-free and autonomous active Brownian ratchets
původní článek
open access
vydavatelská verze
2023
,Europhysics Letters
,142
(3)
Autonomous active Brownian ratchets rectify active Brownian particle motion solely by means of a spatially modulated but stationary activity, without external forces. We argue that such ratcheting requires at least a ...
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Overlapping SigH and SigE sigma factor regulons in Corynebacterium glutamicum
původní článek
open access
vydavatelská verze
2023
,Frontiers in Microbiology
,13
(28 February 2023)
The sigma H (sigma(Eta)) and sigma E (sigma(E)) subunits of Corynebacterium glutamicum RNA polymerase belong to Group 4 of sigma factors, also called extracytoplasmic function (ECF) sigma factors. Genes of the C. glutamicum ...
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Novel insights on new particle formation derived from a pan-european observing system
původní článek
open access
vydavatelská verze
2018
,Scientific Reports
,2018
(8)
The formation of new atmospheric particles involves an initial step forming stable clusters less than a nanometre in size (<similar to 1 nm), followed by growth into quasi-stable aerosol particles a few nanometres ...
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Modelling Polarization Effects in a CdZnTe Sensor at Low Bias
původní článek
open access
vydavatelská verze
2023
,Sensors
,23
(12)
Semi-insulating CdTe and CdZnTe crystals fabricated into pixelated sensors and integrated into radiation detection modules have demonstrated a remarkable ability to operate under rapidly changing X-ray irradiation environments. ...
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Large-Area Mechanically-Exfoliated Two-Dimensional Materials on Arbitrary Substrates
původní článek
open access
vydavatelská verze
2023
,Advanced Materials Technologies
,8
(12)
Atomically-thin crystals have been shown to be rich in fundamental phenomena and are promising for various applications. Mechanical exfoliation of (2D) materials from bulk crystals is particularly suited for fundamental ...
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A thermodynamic framework for non-isothermal phenomenological models of isotropic Mullins effect
původní článek
omezený přístup
vydavatelská verze
2023
,Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences
,479
(2272)
The Mullins effect is a common name for a family of intriguing inelastic responses of various solid materials, in particular filled rubbers. Given the importance of the Mullins effect, there have been many attempts to ...
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Modelling the European wind-blown dust emissions and their impact on particulate matter (PM) concentrations
původní článek
open access
vydavatelská verze
2023
,Atmospheric Chemistry and Physics
,23
(6)
Wind-blown dust (WBD) emitted by the Earth's surface due to sandblasting can potentially have important effects on both climate and human health via interaction with solar and thermal radiation, reducing air quality. Apart ...
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Structural and spin-glass properties of single crystal J(eff)=1/2 pyrochlore antiferromagnet NaCdCo2F7: correlating T-f with magnetic-bond-disorder
původní článek
open access
vydavatelská verze
2023
,Physica Scripta
,98
(7)
Weak bond disorder disrupts the expected spin-liquid ground-state of the ideal S = 1/2 Heisenberg pyrochlore antiferromagnet. Here we introduce a single crystal study of the structural and magnetic properties of the ...
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Two-photon lifetime-based photoconversion of EGFP for 3D-photostimulation in FLIM
původní článek
open access
vydavatelská verze
2023
,Methods and Applications in Fluorescence
,11
(3)
Enhanced green fluorescence protein (EGFP) is a fluorescent tag commonly used in cellular and biomedical applications. Surprisingly, some interesting photochemical properties of EGFP have remained unexplored. Here we report ...
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Mechanical response of elastic materials with density dependent Young modulus
původní článek
open access
vydavatelská verze
2023
,Applications in Engineering Science
,14
(7 February 2023)
The experimental as well as theoretical engineering literature on porous structures such as metal foams, aerogels or bones often relies on the standard linearised elasticity theory, and, simultaneously, it frequently ...
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Broadband Strong Ground Motion Modeling Using Planar Dynamic Rupture With Fractal Parameters
původní článek
open access
vydavatelská verze
2023
,Journal of Geophysical Research: Solid Earth
,128
(6)
Dynamic rupture modeling represents a promising physics-based approach to strong ground motion simulations. However, its application in a broad frequency range (0-10 Hz), interesting for engineering studies, is challenging. ...
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Modelling the seismic response of the Mytina maar volcanic structure
původní článek
open access
vydavatelská verze
2023
,Earth, Planets and Space
,75
(1)
In this study, we determine the properties of the maar volcanic structure using ambient vibration analysis. We performed several ambient vibrations surveys at MATIN SMALL LETTER Y WITH ACUTEtina maar (West-Bohemia, Czechia) ...
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Is There a Semi-Molten Layer at the Base of the Lunar Mantle?
původní článek
open access
vydavatelská verze
2023
,Journal of Geophysical Research. Planets
,128
(7)
Parameterised by the Love number k(2) and the tidal quality factor Q, and inferred from lunar laser ranging (LLR), tidal dissipation in the Moon follows an unexpected frequency dependence often interpreted as evidence for ...
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Radar Attenuation in Enceladus' Ice Shell: Obstacles and Opportunities for Constraining Shell Thickness, Chemistry, and Thermal Structure
původní článek
open access
vydavatelská verze
2023
,Journal of Geophysical Research. Planets
,128
(2)
Enceladus is a dynamic icy moon of Saturn and a leading target for future planetary missions focused on the search for life beyond Earth. For such missions, instruments that can provide geophysical and geochemical context ...
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JUNO sensitivity to 7Be, pep, and CNO solar neutrinos
původní článek
open access
vydavatelská verze
2023
,Journal of Cosmology and Astroparticle Physics
,2023
(10)
The Jiangmen Underground Neutrino Observatory (JUNO), the first multi-kton liquid scintillator detector, which is under construction in China, will have a unique potential to perform a real-time measurement of solar neutrinos ...
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Long-period directivity pulses of strong ground motion during the 2023 Mw7.8 Kahramanmaras earthquake
původní článek
open access
vydavatelská verze
2023
,Communications Earth & Environment
,4
(1)
Damages due to large earthquakes are influenced by broadband source effects that remain enigmatic. Here we develop a broadband (0-10 Hz) source model of the disastrous 2023 Mw7.8 Kahramanmaras, Turkiye, earthquake by ...
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Dynamics, interactions and delays of the 2019 Ridgecrest rupture sequence
původní článek
open access
vydavatelská verze
2023
,Nature
,618
(7964)
The observational difficulties and the complexity of earthquake physics have rendered seismic hazard assessment largely empirical. Despite increasingly high-quality geodetic, seismic and field observations, data-driven ...
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Heat extraction calculations for deep coaxial borehole heat exchangers: matrix analytical approach
původní článek
open access
vydavatelská verze
2023
,Geophysical Journal International
,235
(3)
Deep boreholes represent a source of clean energy. Therefore, effective calculations of potential extraction of heat from boreholes for realistic models of the Earth's crust with variable thermal conductivity and diffusivity ...
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Full Waveform Inversion Based on an Asymptotic Solution of Helmholtz Equation
původní článek
open access
vydavatelská verze
2023
,Geosciences (Switzerland)
,13
(1)
This study considers the full waveform inversion (FWI) method based on the asymptotic solution of the Helmholtz equation. We provide frequency-dependent ray tracing to obtain the wave field used to compute the FWI gradient ...
