Ferroelectrics 2010
DOI: 10.5772/13297
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Enhanced Dielectric and Ferroelectric Properties of Donor (W6+, Eu3+) Substituted SBT Ferroelectric Ceramics

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Cited by 4 publications
(3 citation statements)
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References 99 publications
(159 reference statements)
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“…[30,34] PVDFbased polymers are usually crystallized into phases of various phases. [51][52][53] Particularly, the a and β phases are the main phases in PVDF polymers. The β phase has well ordered -CF 2dipoles causing piezoelectric and ferroelectric properties, while the a phase resides in paraelectric.…”
Section: Resultsmentioning
confidence: 99%
“…[30,34] PVDFbased polymers are usually crystallized into phases of various phases. [51][52][53] Particularly, the a and β phases are the main phases in PVDF polymers. The β phase has well ordered -CF 2dipoles causing piezoelectric and ferroelectric properties, while the a phase resides in paraelectric.…”
Section: Resultsmentioning
confidence: 99%
“…At the same time, the higher value of P r in the SBTW ceramic samples compared to the pure SBT ceramic samples can be explained on the basis of the formation of cation vacancies in the SBTW system [30]. The substitution of W 6+ ions at the Ta 5+ ions sites can suppress the concentration of the oxygen vacancies in the SBTW system, which can reduce the pinning effect on the domain walls and enhance the P r and reduce the E c values [43]. and (c) SBTW ceramic samples.…”
Section: Leakage Current Analysismentioning
confidence: 92%
“…Each these contributions suffer short-distortions in response to alternating applied electric field on different time scale, or equivalent, over a wide frequency range leading to changes in the polarization which can be characterized inserting a quantity termed as the dielectric permittivity ε. It is to be expected given the nature of the excitation that ε shows different dispersion laws characterized by a threshold frequency labeling each contribution mechanism depends on the nature of dipoles [155]. If the dipole contribution oscillate and experiments a restoring force, a relaxation behaviour is found in the dielectric permittivity.…”
Section: Dielectric Dispersionmentioning
confidence: 99%