Results 31 to 40 of about 1,062,243 (292)

Diffraction by an acoustically penetrable or an electromagnetically dielectric half plane II [PDF]

, 1989
The present work gives a mathematical model for an acoustically penetrable or electromagnetically dielectric half plane. An approximate boundary condition is derived which depends on the thickness of, and the material constants which constitutes, the ...
Rawlins, A D
core   +4 more sources

iGSE-C_D—An Electric-/Displacement-Field Related Steinmetz Model for Class II Multilayer Ceramic Capacitors Under Low-Frequency Large-Signal Excitation

IEEE Open Journal of Power Electronics, 2023
Multilayer Ceramic Capacitors (MLCCs) are of paramount importance in electronics and ferroelectric Class II dielectrics enable outstanding energy-density values.
David Menzi, Morris Heller, George Kerridge, Peter Marley, Angela Ellmore, Shmuel Ben-Yaakov, Johann W. Kolar   +6 more
doaj   +1 more source

Correction of dielectric losses in practical leaky-wave antenna designs

, 2007
In this paper, the leaky-mode theory is applied to take into account for the dielectric losses in millimetre waveband inhomogeneous leaky-wave antennas. A practical dielectric-filled cosine-tapered periodic leaky-wave antenna working in the 45GHz band is
Goussetis, George, Alvarez-Melcon, A., Gomez-Tornero, J.L.   +2 more
core   +3 more sources

Complex Permittivity Measurement System for Solid Materials Using Complementary Frequency Selective Surfaces

IEEE Access, 2020
This paper describes a novel method of characterizing complex permittivity using a complementary frequency selective surface (CFSS). The CFSS provides a passband behavior and the change in the passband when a material under test (MUT) is placed adjacent ...
Chih-Kuo Lee, Shiyu Zhang, Syed Sheheryar Bukhari, Darren Cadman, J. C. Vardaxoglou, William G. Whittow   +5 more
doaj   +1 more source

Dielectric spectroscopy of Tobacco Mosaic Virus [PDF]

, 2003
The dielectric properties of the Tobacco Mosaic Virus (TMV) have been measured using time domain dielectric spectroscopy (TDDS) in the temperature range from 1 to 40 jC. A single dielectric dispersion is observed in the MHz range.
Feldman, Yuri, Ermolina, I., Milner, J.J., Green, Nicolas G, Ermolina, Irina, Green, N. G., Morgan, Hywel, Feldman, Y., Milner, J. J., Green, N.G., Morgan, H., Milner, Joel J   +11 more
core   +1 more source

Static dielectric constant and dielectric loss of cellulose insulation: Molecular dynamics simulations

High Voltage, 2021
Reducing the dielectric constant and loss of cellulose insulation can make the electric field distribution uniform in oil‐paper insulation systems and decrease the heat generation in dielectric materials, thus ensuring a reliable transformer operation ...
Wei Hou, Lijun Yang, Yang Mo, Fei Yin, Youyu Huang, Xiaoling Zheng   +5 more
doaj   +1 more source

Effect of Dielectric Layer on Miniaturized Patch Antenna Sensor

Sensors
Miniature patch antenna sensors have great potential in the field of structural health monitoring for crack propagation detection due to their small size and high sensitivity.
Caifeng Chen, Lei Zou, Chenglong Bi, Andong Wang   +3 more
doaj   +1 more source

High-Q trenched aluminum coplanar resonators with an ultrasonic edge microcutting for superconducting quantum devices

Scientific Reports, 2023
Dielectric losses are one of the key factors limiting the coherence of superconducting qubits. The impact of materials and fabrication steps on dielectric losses can be evaluated using coplanar waveguide (CPW) microwave resonators.
E. V. Zikiy, A. I. Ivanov, N. S. Smirnov, D. O. Moskalev, V. I. Polozov, A. R. Matanin, E. I. Malevannaya, V. V. Echeistov, T. G. Konstantinova, I. A. Rodionov   +9 more
doaj   +1 more source

Electrochemical behavior of carbon-fabric electrode materials with titanium and silver coatings [PDF]

Электрохимическая энергетика
The electrochemical behavior of carbon-fabric electrodes in the pristine state and after modification with titanium (magnetron sputtering), silver (chemical precipitation) and sequential titanium/silver coatings was studied.
Saratseva, Aina R., Goffman, Vladimir Georgievich, Savkina, Irina D., Sleptsov, Vladimir Vladimirovich, Gorokhovskii, Aleksandr Vladilenovich   +4 more
doaj   +1 more source

CaZn1/3Nb2/3O3-based dielectric ceramics for silver co-sintering applications [PDF]

Science of Sintering, 2012
The Ca(Zn1/3Nb2/3)O3 (CZN) complex perovskite oxide has been studied for its attractive dielectric properties (εr=34, Qxf=15 890GHz, τf=-48 ppm.°C-1) for applications such as multilayer ceramics capacitors or hyperfrequency resonators.
Chaouchi A., Saidi M., d’Astorg S., Marinel S.   +3 more
doaj   +1 more source