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Preparation of fluorinated epoxy-phthalonitrile resins with excellent thermal stability and low dielectric constant
curing behavior fluorinated epoxy-phthalonitrile resins low dielectric constant thermal stability
2023/11/16
Fluoropolymers find applications in heat-resistant cables, chemical-resistant linings, electronic components, cladding materials, and weather-resistant films. Therefore, it is imperative to improve th...
Biorenewable rosin derived benzocyclobutene resin: a thermosetting material with good hydrophobicity and low dielectric constant
CROSS-LINKING POLYMER TEMPERATURE NANOINDENTATION
2024/3/5
Development of bio-based polymers has been promoted by the growing concerns about the long-term sustainability and negative environmental footprint of petroleum-based polymer materials. A new monomer ...
New ‘Bottlebrush’ Electroactive Polymers Make Dielectric Elastomers Increasingly Viable for Use in Devices
Bottlebrush Electroactive Polymers Dielectric Elastomers Use in Devices
2016/11/29
Dielectric elastomers (DEs) are the leading technology for artificial muscles due to a favorable combination of large stroke, fast response, and high energy density. However, at large actuations, DEs ...
Dielectric Asymmetry in the Photosynthetic Reaction Center
Dielectric Asymmetry Photosynthetic Reaction Center
2016/5/23
Although the three-dimensional structure of the bacterial photosynthetic reaction center (RC) reveals a high level of structural symmetry, with two nearly equivalent potential electron transfer pathwa...
Dielectric Relaxation in a Protein Matrix
biology and medicine, basic studies chemistry proteins solvation dielectric properties time dependence relaxation fluorescence
2016/5/23
We report measurements of time-dependent solvation in a protein medium by the fluorescence dynamic Stokes shift method. Picosecond time-correlated single photon counting fluorescence decays on the com...
Optomechanics of Levitated Dielectric Particles
Optomechanics optical trapping Brownian motion macroscopic quantum mechanics sensor
2016/1/23
We review recent works on optomechanics of optically trapped microspheres and nanoparticles in vacuum, which provide an ideal system for studying macroscopic quan-tum mechanics and ultrasensitive forc...
MIXED FINITE ELEMENT METHOD FOR ELECTROWETTING ON DIELECTRIC WITH CONTACT LINE PINNING
FINITE ELEMENT CONTACT LINE PINNING
2015/12/11
We present a mixed finite element method for a model of the flow in
a Hele-Shaw cell of 2-D fluid droplets surrounded by air driven by surface tension
and actuated by an electric &...
Radiation of horizontal electric dipole on large dielectric sphere
Radiation horizontal electric dipole large dielectric sphere
2015/10/16
The electromagnetic field in air of a radiating electric dipole located below and tangential to the surface of a homogeneous, isotropic and optically dense sphere is studied anew. The starting point i...
Researchers Measure How Specific Atoms Move in Dielectric Materials
Researchers Atoms Move Dielectric Materials
2015/10/13
The atomic-scale response of dielectrics/ferroelectrics to electric fields is central to their functionality. Here we introduce an in situ characterization method that reveals changes in the local ato...
The experimental set-valued index of refraction of dielectric and anelastic media
dielectric anelastic splitting index of refraction
2015/9/28
The dielectric parameter, in the generalised Debye form, of all studied substances (Cole and Cole, 1941) contains a rational power of the imaginary frequency which implies that the index of refraction...
Field and laboratory ad hoc calibrations of Virrib and ThetaProbe dielectric sensors for soil moisture measurements
Virrib ThetaProbe one-point loam loamy sand zone of influence bulk density offset FertOrgaNic
2015/2/4
For the research of irrigation optimization and nitrate leaching it is important to know the short-term soil moisture variation during percolation episodes as well as its seasonal pattern. Dielectric ...
Accuracy and efficiency in computing electrostatic potential for an ion channel model in layered dielectric/electrolyte media
Poisson-Boltzmann equation layered electrolytes and dielectrics
2014/9/26
This paper will investigate the numerical accuracy and efficiency in computing the
electrostatic potential for a finite-height cylinder, used in an explicit/implicit hy-brid solvation model for ion c...
Dielectric and magnetic proper ties of BiFe1-4x/3TixO3 ceramics with iron vacancies:Experimental and first-principles studies
Ceramics Vacancies Ozone Iron group ions X-ray diffraction
2016/12/2
BiFe1-4x/3TixO3 (x = 0-0.2) ceramics with Fe vacancies created by nonstioichiometric compositions were synthesized to study their crystal structures, dielectric, and ferromagnetic behavior...
Effect of freezing rate and comminution on dielectric properties of pork
radio-frequency heating microwave heating meat properties meat batter
2014/2/24
The impact of comminution and the freezing rate on the dielectric properties (ε' and ε'') of meats measured at frequencies used for cooking, i.e. radio frequency, RF (27.12 MHz), and microwave, MW (91...
Enhancement in Light Extraction Efficiency of GaN-Based Light-Emitting Diodes Using Double Dielectric Surface Passivation
GaN Light-Emitting Diode (LED) Al2O3 PEALD Passivation Double Dielectric Stack Layer
2013/1/30
SiO2Al2O3 double dielectric stack layer was deposited on the surface of the GaN-based light-emitting diode (LED). The double dielectric stack layer enhances both the electrical characteristics and the...