Properties of the dielectric function
Anisotropic dielectric function in polar nanoregions of relaxor ferroelectrics
... liar dielectric properties of relaxor materials were associ- ated with the presence of small polar clusters - so called polar nano-regions (PNR’s)- already in the pioneer work of Burns and Dacol 2 ...
6
On Ferroelectric and Dielectric Properties of PbHAsO4 Crystal
... and dielectric properties ofPbHAsO 4 crystal are studied using the two sublatticepseudospine-lattice coupled mode model modified with addition of third-order and fourth-order phonon an harmonic interaction ...
6
The Study Of The Dielectric Properties Of The Endohedral Fullerenes
... DFT is based on a fundamental conceptual framework. The Hohenberg-Kohn theorem and Kohn-Sham equations are the two core elements of DFT. In quantum mechanics all the information is contained by the system’s wave ...
48
CiteSeerX — Dielectric Properties Of Piezoelectric Polyimides
... and dielectric measurements are being used to identify mechanisms governing piezoelectric behavior in polyimides such as dipole orientation during poling, as well as degree of piezoelectricity ...their ...
6
Dielectric Properties of Epoxy/Al2O3 Nanocomposites
... the dielectric constant as a function of frequency, one can separate the various polarization ...a dielectric containing all four types of polarization [8, ...
10
Influence of the temperature on the dielectric properties of epoxy resins
... B. Dielectric spectroscopy A special electrode cell was implemented for the dielectric measurements, which allows stable values of temperature and humidity to be maintained and monitored during the experi- ...
5
Infrared and dielectric properties of nickel aluminium ferrite
... and Dielectric characteristics were measured at room temperature as a function of frequency for al bands; high frequency band observed assigned by stretching vibrations of tetrahedral observed in range 418 ...
5
Optical And Dielectric Properties Of Cuo-B2O3 Glasses
... Figure (2) Shows the plots (αhν) 1/2 versus hν for different compositions of glass samples. The most satisfactory representation is obtained by plotting the quantity (αhν) 1/2 as a function of hν. Similar ...
6
Structural And Dielectric Properties Of Ppy/Zno Composites
... Fig. 5. Variation of as a function of frequency F, for PPy and PZ composites. Variation of as a function of frequency is shown in Fig 5. In this figure it can observe that conductivity increases with ...
10
A Study on the Dielectric Properties of Organic Single Crystals
... of dielectric constant as a function of frequency and ...the dielectric into a certain ordered arrangement in ...of dielectric constant of a material gives an insight into the nature of ...
9
Dielectric Properties Of Light Rare-Earth Titanates
... the dielectric constant of all the light rare-earth titanates at frequency 1 KHz as a function of ...of dielectric constant of all the studied titanates at temperature 400K, 600K, 800K and 1000K at ...
12
Dielectric Properties of Er3+ Doped ZnO Nanocrystals
... a function of frequency at room temperature using an LCR ...The dielectric constant (ε r ) is calculated using the relation ε r = Cd/ε 0 A and the ac conductivity is calculated by the relation, σ ac = ε 0 ε ...
8
Dielectric and microstructural properties of BaTiO3 and Ba0.9925Er0.0075TiO3 ceramics
... of dielectric properties were carried out as a function of temperature up to 200˚C at different ...of dielectric constant (ε=6179) at Curie temperature (T C ) of ...
5
ELECTRICAL properties (EPs), also known as dielectric
... Since |B 1 + | is proportional to the induced flip angle α, one strategy for mapping |B + 1 | is to measure the distribution of α. Note that this linear relationship is normally valid because the RF pulse duration τ is ...
16
A.C. Conductivity and Dielectric Properties of Agpo3 Glass
... function of temperature (300-400K) and frequency (50-1 MHz). The electrical conductivity was studied by using complex impedance technique and a.c. conductivity. From impedance the bulk conductivity is found to be ...
10
A Trans-Impedance Green's Function for the Dielectric Ring Circulator
... The ring circulator holds appeal since it allows additional space in the center of the device where antennas, amplifiers, etc. may be placed. Also, such devices provide isolation of the inner port signals from any ...
13
Measurement of Dielectric Properties of Low-Density Polyethylene Nanocomposites Using “Sub-Hertz” Dielectric Spectroscopy
... dependent dielectric response, a powerful experimental method is used which is dielectric ...about dielectric properties can be ...a function of frequency of a sample that had been ...
6
The effect of water absorption on the dielectric properties of epoxy nanocomposites
... a function of humidity as water was ...frequency dielectric spectroscopy results in which percolation of charge carriers through overlapping water shells was shown to ...
13
Tailoring dielectric properties of ferroelectric-dielectric multilayers
... Non-linear dielectric materials have been considered as voltage-controlled frequency-agile elements in tunable micro- wave and millimeter wave devices such as capacitors, phase shifters, resonators, and ...
5
Measurement of Dielectric Material Properties
... The reflection coefficient is measured using a vector network analyzer. The VNA with a probe system is first calibrated so that the reflection coefficient measurements are referenced to the probe aperture plane. This can ...
36