2005
DOI: 10.1143/jjap.44.5035
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Reduction of Dielectric Losses in Pb(Fe1/2Nb1/2)O3-Based Ferroelectric Ceramics

Abstract: Modifications which have been made on the Rigaku-Denki low angle x-ray goniometer for studying weak scattering from solutions are described, and the positional stability of the goniometer during 20 stepping is discussed. A flow cell which permits solutions to be changed on stage and a variable temperature cell using cold air generated with a vortex tube are also described.

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Cited by 12 publications
(13 citation statements)
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References 16 publications
(18 reference statements)
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“…4-9). This is clearly related to the ferroelectric transition and is similar to the variation in dielectric constant observed for other ceramic samples with nearby compositions in the ternary system [48,65,67,68,70]. Magnetisation data show that this moment tends to zero in the vicinity of 500 K. There is no overt evidence for a magnetic transition below room temperature, but there are additional anomalies in the data for all three samples below *50 K. The high-temperature ferromagnetism is most likely due to the impurity phases but the low temperature effects are more likely to be intrinsic to the perovskite.…”
Section: Resultssupporting
confidence: 84%
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“…4-9). This is clearly related to the ferroelectric transition and is similar to the variation in dielectric constant observed for other ceramic samples with nearby compositions in the ternary system [48,65,67,68,70]. Magnetisation data show that this moment tends to zero in the vicinity of 500 K. There is no overt evidence for a magnetic transition below room temperature, but there are additional anomalies in the data for all three samples below *50 K. The high-temperature ferromagnetism is most likely due to the impurity phases but the low temperature effects are more likely to be intrinsic to the perovskite.…”
Section: Resultssupporting
confidence: 84%
“…The rounded maximum in capacitance and lack of frequency dependence for T m are closely similar to reported results for the dielectric properties of other PZT-PFN ceramics [48,65,67,68,70]. Minor impurity phases do not appear to affect the main conclusions which can be drawn from elastic and dielectric properties measured at a macroscopic scale, but it would be incautious to relate any of the observed ferromagnetic properties to the perovskite.…”
Section: Discussionsupporting
confidence: 83%
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