Results 41 to 50 of about 1,845,376 (254)

Microwave Dielectric Study of Tetramethylurea and N, N-Dimethylacetamide Binary Mixture in Benzene

open access: yesE-Journal of Chemistry, 2011
Dielectric relaxation of the binary mixture of tetramethylurea and N, N-dimethylacetamide has been studied at fixed frequency and temperature (9.88 GHz & 298 K respectively) in benzene solution.
V. Sharma, N. Thakur
doaj   +1 more source

Effects of Lattice Types on the Frequency Band Widths in Photonic Crystals

open access: yesمجلة علوم ذي قار, 2022
The plane wave expansion method was implemented in modeling and simulating the band structures of two dimensional photonic crystals (PhCs) with square, triangular and honeycomb lattices with circular air holes in dielectric or circular GaAs rods in air.
Ahmed M. Kadhim , Hassan A. Yasser
doaj   +1 more source

An improved model for the dielectric constant of sea water at microwave frequencies

open access: yes, 1977
The advent of precision microwave radiometry has placed a stringent requirement on the accuracy with which the dielectric constant of sea water must be known.
Swift, C.T.   +2 more
core   +1 more source

Dielectric properties characterization of high dielectric constant thick films [PDF]

open access: yes, 2010
A technique for the characterization of microwave dielectric properties of high dielectric constant thick films at room temperature is proposed, using multilayered coplanar waveguide transmission lines with high dielectric constant thick films ...
José Ignacio Marulanda   +7 more
core   +1 more source

Enhancement of the Through‐Thickness Electrical Conductivity of Carbon‐Fiber‐Reinforced Plastics Using Large Graphite Particles

open access: yesAdvanced Engineering Materials, EarlyView.
To enhance through‐thickness conductivity without sacrificing impregnation, large spherical graphite particles are intentionally employed in a low‐viscosity resin. Unlike finer conductive fillers, these particles remain outside the fiber bundles and accumulate in resin‐rich interlaminar regions during molding.
Keito Hosoe   +6 more
wiley   +1 more source

Rotary 3D Printing With Integrated Electroplating

open access: yesAdvanced Engineering Materials, EarlyView.
A rotary material extrusion platform integrates localized copper electroplating with printing and encapsulation to fabricate cylindrical polymer–metal structures containing fully embedded, low‐resistance conductive pathways that enable internal Joule heating and thermally activated shape‐memory responses.
Antonio Zagaria   +5 more
wiley   +1 more source

Computing the dielectric constant of liquid water at constant dielectric displacement [PDF]

open access: yesPhysical Review B, 2016
The static dielectric constant of liquid water is computed using classical force field based molecular dynamics simulation at fixed electric displacement D. The method to constrain the electric displacement is the finite temperature classical variant of the constant-D method developed by Stengel, Spaldin and Vanderbilt (Nat. Phys. 2009, 5: 304).
Zhang, Chao, Sprik, Michiel
openaire   +2 more sources

Electrodeposition in Structural Lattices of Variable Architectures

open access: yesAdvanced Engineering Materials, EarlyView.
Electrodeposition enables geometry‐sensitive, autonomous void filling while simultaneously tuning chemical and mechanical properties. The development of approaches that can autonomously fill and heal material voids and yield composites with tailorable properties is increasingly relevant in engineering.
Yeong‐Man Kwon   +3 more
wiley   +1 more source

Effect of magnetic spins flipping process on the dielectric properties of α-Fe1.6Ga0.4O3 system

open access: yesAIP Advances, 2015
The α-Fe1.6Ga0.4O3 (Ga doped α-Fe2O3) sample has been stabilized in rhombohedral structure. The sample is a canted ferromagnet at 300 K and above. The spins structure starts flipping from in-plane direction to out of plane direction of the rhombohedral ...
Abdul Gaffar Lone, R. N. Bhowmik
doaj   +1 more source

The dielectric constant of UO2 below the Néel point [PDF]

open access: yes, 1987
We report measurements of the frequency-dependent dielectric constant of UO2 from 4.2 K to above the phase transition at 30 K. The static dielectric constant of 23.6 at 4.2 K is comparable with accepted values at higher temperatures: it is essentially ...
Harding, JH   +3 more
core  

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