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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2014.006663
|2 doi
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|a pubmed24n0817.xml
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|a (DE-627)NLM24530942X
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|a (NLM)25585392
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Walker, Julian
|e verfasserin
|4 aut
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|a Robust polarization and strain behavior of Sm-modified BiFeO3 piezoelectric ceramics
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 28.08.2015
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|a Date Revised 19.11.2015
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|a published: Print
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|a Citation Status MEDLINE
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|a The route to phase-pure BiFeO3 (BFO) ceramics with excellent ferroelectric and electromechanical properties is severely impeded by difficulties associated with the perovskite phase stability during synthesis. This has meant that dopants and solid solutions with BFO have been investigated as a means of not only improving the functional properties, but also of improving the perovskite phase formation of BFO-based ceramics. The present work focuses on Sm-modified BFO ceramics of composition Bi0.88Sm0.12FeO3. The polarization and strain behaviors were investigated as a function of the phase composition, microstructure, and chemical composition. Addition of Sm reduces the susceptibility of the BFO perovskite to phase degradation by Si impurities. Si was observed to react into Sm-rich grains dispersed within the microstructure, with no large increases in the amount of bismuth-parasitic phases, namely Bi25FeO39 and Bi2Fe4O9. These as-prepared ceramics exhibited robust polarization behavior showing maximum remnant polarizations of ~40 to 50 μC/cm(2). The electric-fieldinduced strain showed an appreciable stability in terms of the driving field frequency with maximum peak-to-peak strains of ~0.3% and a coercive field of ~130 kV/cm
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|a Journal Article
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|a Calcium Compounds
|2 NLM
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|a Ferric Compounds
|2 NLM
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|a Oxides
|2 NLM
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|a perovskite
|2 NLM
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|a 12194-71-7
|2 NLM
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|a ferrite
|2 NLM
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|a 1317-54-0
|2 NLM
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|a Titanium
|2 NLM
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|a D1JT611TNE
|2 NLM
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|a Bismuth
|2 NLM
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|a U015TT5I8H
|2 NLM
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| 700 |
1 |
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|a Budic, Bojan
|e verfasserin
|4 aut
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|a Bryant, Peter
|e verfasserin
|4 aut
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|a Kurusingal, Valsala
|e verfasserin
|4 aut
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|a Sorrell, Charles C
|e verfasserin
|4 aut
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|a Bencan, Andreja
|e verfasserin
|4 aut
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|a Rojac, Tadej
|e verfasserin
|4 aut
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|a Valanoor, Nagarajan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 62(2015), 1 vom: 18. Jan., Seite 83-7
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:62
|g year:2015
|g number:1
|g day:18
|g month:01
|g pages:83-7
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|u http://dx.doi.org/10.1109/TUFFC.2014.006663
|3 Volltext
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|d 62
|j 2015
|e 1
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|h 83-7
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