Results 221 to 230 of about 2,877,930 (285)

Positioning-robust broadband microwave transmission as a minimal-complexity approach to thoracic dielectric sensing: simulation and phantom analysis. [PDF]

Sci Rep
Ślot M, Zasada I, Olejniczak W, Sakowicz A, Bielecka-Dąbrowa A.   +4 more
europepmc   +1 more source

Sandwich-structured rGO/Co _<i>x</i> Ni _<i>y</i> O _<i>z</i> /N-doped carbon nanosphere aerogels for thermal insulation and broadband electromagnetic shielding. [PDF]

RSC Adv
Zhang Y, Zheng Z, Zhu Q, Nan Y, Zhao X.
europepmc   +1 more source

Soft-Rigid Liquid Metal-SiC Hybrid Fillers Enable Superior Nonlinear Conductivity and Electric Field Regulation of Composite Dielectrics. [PDF]

Adv Mater
Ren J, Zeng R, Wei H, Wang Z, Zhang Y, Yang S, Cui J, Wang G, Zha J, Jia S.   +9 more
europepmc   +1 more source

Emergent polar order from interlayer microstrain in layered perovskites. [PDF]

Sci Adv
Zhang H, Saunders TG, Christogeorgos O, Yan H, Hao Y.   +4 more
europepmc   +1 more source

Microwave Sensors for Dielectric Characterization: Planar Architectures, Extraction Methods, and Emerging Applications. [PDF]

Sensors (Basel)
Tan F, Liu C.
europepmc   +1 more source

Exceptional-Point-Enhanced Chiral Spoof Localized Surface Plasmon Resonator for Sub-Microliter Glucose Microwave Biosensing. [PDF]

Biosensors (Basel)
Wang Z, Mo W, Wang Z, Sun C, Xiao X, Huang X.   +5 more
europepmc   +1 more source

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Dielectric losses in ferroelectrics of displacive type as compared to the losses in ordinary dielectrics

Ferroelectrics, 1985
The theory of intrinsic (phonon) dielectric losses in ferroelectrics of displacive type is reviewed and compared with the theory of losses in ordinary dielectrics. The authors in 7-12 have calculated the temperature and frequency dependence of losses for a wide range of variation of the parameters.
Gurevich, V. L., Tagantsev, A. K.
openaire   +1 more source

Intrinsic dielectric loss in crystals

Advances in Physics, 1991
Abstract We review the current theory of intrinsic dielectric loss, that is the loss in a perfect crystal due to anharmonic interaction of a.c. electric field with the phonon system of the crystal. Both ordinary dielectrics and displacive ferroelectrics are considered. The theory predicts dependence of the loss on frequency ω and temperature T.
Gurevich, V. L., Tagantsev, A. K.
openaire   +2 more sources

Measurement of Dielectric Loss and Wall Loss in a Dielectric-Filled Waveguide

IEEE Transactions on Instrumentation and Measurement, 1974
A waveguide bridge capable of measuring dielectric loss down to 5 ?rad at frequencies of 10-35 GHz is described. A major uncertainty was the value of the wall loss. This has been resolved by measuring the wall loss of the specimen arm both with air and dielectric filling.
Sheila Ayers, D. Marr, A. E. Parker
openaire   +1 more source