Results 1 to 10 of about 24,359 (261)

Anisotropic fluid with phototunable dielectric permittivity. [PDF]

open access: yesNat Commun, 2022
AbstractDielectric permittivity, a measure of polarisability, is a fundamental parameter that dominates various physical phenomena and properties of materials. However, it remains a challenge to control the dielectric permittivity of materials reversibly over a large range.
Nishikawa H, Sano K, Araoka F.
europepmc   +4 more sources

Dielectric Permittivity in Copper Leaching: A Review. [PDF]

open access: yesSensors (Basel)
The leaching process for copper extraction has garnered significant attention due to its critical role in meeting the rising demand for copper, driven by global trends towards decarbonization and electrification. The accurate measurement of variables is essential for process control, prompting the development of advanced sensor technologies. This paper
Andreu M, Zwick R, Momayez M.
europepmc   +4 more sources

The Impact of Atmospheric Parameters on the Dielectric Permittivity Values of SikaBlock®-M150 and Other Rigid Polyurethane Foams Measured with a Capacitive One-Side Access Sensor [PDF]

open access: yesSensors, 2022
A shortage of research on the impact of atmospheric parameters on the measured dielectric permittivity values of rigid polyurethane (PU) foams was identified.
Ilze Beverte   +3 more
doaj   +2 more sources

Room-temperature-densified H3BO3 microwave dielectric ceramics with ultra-low permittivity and ultra-high Qf value

open access: yesJournal of Materiomics, 2020
With the rapid development of mobile communication technology towards 5G and 6G, the microwave dielectric materials with ultra-low permittivity and ultra-high Qf value are urgently demanded.
Wen Bin Hong   +5 more
doaj   +3 more sources

The Effect of Salinity on the Dielectric Permittivity of Nanoconfined Geofluids. [PDF]

open access: yesACS Earth Space Chem
Nanoporosity is a characteristic feature of geological formations that provides potential pathways for geofluids to meander and interact with minerals. Confinement of water within nanopores leads to unique phenomena. The dielectric constant of water becomes anisotropic and adopts tensorial properties rather than remaining a scalar value.
Chogani A   +3 more
europepmc   +3 more sources

The effect of an AC electric field on the dielectric properties of Pb(Mg1/3Nb2/3)O3 ceramic

open access: yesMaterials and Devices, 2021
The dynamic dielectric response of Pb(Mg1/3Nb2/3 )O3 ceramic was experimentally studied as a function of the EAC amplitude field. An increase in real dielectric permittivity was obtained by increasing the applied electrical field within the investigated ...
E.C. Lima, J.D.S. Guerra, E.B. Araujo
doaj   +1 more source

Chap. 14 - The effect of an AC electric field on the dielectric properties of Pb(Mg1/3Nb2/3)O3 ceramic

open access: yesMaterials and Devices, 2021
The dynamic dielectric response of Pb(Mg1/3Nb2/3 )O3 ceramic was experimentally studied as a function of the EAC amplitude field. An increase in real dielectric permittivity was obtained by increasing the applied electrical field within the investigated
Elton Lima, J.D.S. Guerra, E.B. Araujo
doaj   +4 more sources

Dynamic variation of the dielectric permittivity of elastomers with mechanical constraints

open access: yesAIP Advances, 2023
Elastomers are commonly used as insulators or actuators in important fields such as robotics and electronics. The performance of elastomers is strongly influenced by their dielectric permittivity while determining the dielectric permittivity of ...
Pan Jia, Xianghe Zheng, Jianyou Zhou
doaj   +1 more source

Effect of Ni on Dielectric Properties of MnNi-Fe2O4 Magnetic Nanoparticles

open access: yesJournal of Magnetism and Its Applications, 2021
Mn1-xNixFe2O4 nanoparticles were successfully synthesized using co-precipitation method with various Ni concentrations. The crystal structures and dielectric properties of nanoparticles were analyzed for different Ni concentrations.
Zulkarnain Zulkarnain, Edi Suharyadi
doaj   +1 more source

GPR results for indicating layers of snow strata [PDF]

open access: yesE3S Web of Conferences, 2023
The authors of this article describe the results of GPR tests for indicating the layers of snow strata and determining their properties, allowing for forecasting of avalanche hazards.
Sidorenko A.I., Bobrova D.A.
doaj   +1 more source

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