Dielectric properties
Production of Sr-deficient bismuth tantalates from microwave–hydrothermal derived precursors: Structural and dielectric properties
... tric properties. The structural and dielectric properties are studied and, in addition to the ferroeletric–paraelectric phase transition, it was observed two conduction regimes in the ...
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Dielectric Properties of Nanosized ZnFe2O4
... of dielectric permittivity ε with increas- ing frequency can be explained by phenomenological Koops theory [10], in which dielectric materials are treated as two layer structure of Maxwell-Wagner type ...of ...
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Dielectric properties of Pb Nb2 O6 ferroelectric ceramics at cryogenic temperatures
... temperature dielectric properties show relaxor characteristics with a diffuse PT, different for the normal behavior observed in the PN system, at high ...
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A Study of Dielectric Properties of Proteinuria between 0.2 GHz and 50 GHz.
... electrical properties of a so- ...electric properties between the interaction of protein and ...in dielectric properties as it alters the mobility and linear conduction of a solution [6, ...
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The Effect of Frequency and Temperature on Dielectric Properties of Pure Poly Vinylidene Fluoride (PVDF) Thin Films
... the dielectric properties of poly vinylidene fluoride (PVDF) thin films of thickness ( ≈ 20μm) as a function of temperature from 40-70 0 C and frequency varying from 500 Hz to 100 kHz respectively for Al-Al ...
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art aflalmeida dielectric properties
... Dielectric properties of BTO ceramics are highly depen- dent upon the grain size, phase content of the ceramic body and also the type of dopants ...the dielectric constant is possibly caused by a ...
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Dielectric properties of bismuth titanate ceramics containing SiO2 and Nd2O3 as additives
... conductivity, dielectric losses and relative permittivity are obtained depending on the ...are dielectric materials with conductivity between 10 -9 and 10 -13 (Ω·cm) -1 at room temperature, ...
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Thickness-dependent piezoelectric behaviour and dielectric properties of lanthanum modified BiFeO3 thin films
... cient d 33 of 45 pm/V, and a dielectric constant of 140. Over this range of La substitution, the coercive ield systematically decreases in such a way that a coercive voltage of 1 V can be obtained in a 100 nm ...
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Effect of Nb doping on sintering and dielectric properties of PZT ceramics
... excellent properties, such as high Curie temperature, high electromechanical coupling co- efficient, easy poling and doping, and high dielectric, ferroelectric and piezoelectric properties ...
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Electrical conduction mechanism and phase transition studies using dielectric properties and Raman spectroscopy in ferroelectric Pb0.76Ca0.24TiO3 thin films
... the dielectric constant upon the frequency does not reveal any relaxor ...the dielectric constant versus temperature data, which showed a broad ferroelectric phase transition in the thin ...
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Mat. Res. vol.6 número4
... Bi 4 Ge 3 O 12 (bismuth germanate – BGO) single crystals were produced by the Czochralski tech- nique and their electrical and dielectric properties were investigated by impedance spectroscopy. The ...
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Studies of the temperature coefficient of capacitance (TCC) of a new composite: PbO3 (PFN)–Cr0.75Fe1.25O3(CRFO)
... For accomplishment of the experimental measurements of the capacitance as a function of temperature, a system of acquisition of data was mounted that consisted of the use of an electric oven model equipped with a ...
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Mat. Res. vol.18 número5
... The substrate cleaning is very important in the deposition of thin ilms. Commercially available glass slides with a size of 75 mm × 25 mm × 2 mm were washed using soap solution and subsequently kept in hot chromic acid ...
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J. Braz. Chem. Soc. vol.17 número3
... the dielectric properties (dielectric constant, ε’, and loss factor, ε”; activation energy, E a ) and the ratio of epoxy resin (OG) to hardener of the epoxy resin thermosetting polymers was ...from ...
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Melting of andesite in a microwave oven
... the dielectric properties ultimately determine the effect of microwave field on ...of dielectric loss or loss factor to dielectric constant of the ...
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art fnafreire structural properties
... Dielectric properties at microwave frequencies (MW) were measured in the 3–6 GHz frequency ...relative dielectric constant using the TE 011 ...
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J. Braz. Chem. Soc. vol.28 número6
... New asymmetric cardanol-based porphyrins, free-base and coordinated with Ni, Co and Cu, were synthesized and completely characterized as A3B type. Such porphyrins were obtained aiming improved solubility in polar ...
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Development of a Transmission-Based Open-Ended Coaxial-Probe Suitable for Axillary Lymph Node Dielectric Measurements
... tissue dielectric properties ...node dielectric measurement, which is not trivial when applying the state-of-the-art reflection-based open-ended ...
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Cerâmica vol.62 número364
... The raw materials pulverized into powders ready for batching were used: raw materials were wet milled and homogenized in a modiied milling system for 6 h to obtain the typical size distribution used in industrial ...
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Matéria (Rio J.) vol.15 número2
... and dielectric properties, crystal structure and surface morphology of titanium oxide films on dental implant surfaces play a crucial role in the biocompatibility and osseointegration of implants ...
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