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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2013.2692
|2 doi
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|a pubmed25n0799.xml
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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 |
1 |
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|a Yan, Xingwei
|e verfasserin
|4 aut
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| 245 |
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|a Lead-free intravascular ultrasound transducer using BZT-50BCT ceramics
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 11.05.2015
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|a Date Revised 21.10.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a This paper reports the fabrication and evaluation of a high-frequency ultrasonic transducer based on a new lead-free piezoelectric material for intravascular imaging application. Lead-free 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO4(BZT-50BCT) ceramic with a high dielectric constant (~2800) was employed to develop a high-frequency (~30 MHz) needle-type ultrasonic transducer. With superior piezoelectric performance (piezoelectric coefficient d33 ~ 600 pC/N), the lead-free transducer was found to exhibit a -6-dB bandwidth of 53% with an insertion loss of 18.7 dB. In vitro intravascular ultrasound (IVUS) imaging of a human cadaver coronary artery was performed to demonstrate the potential of the lead-free transducer for biomedical imaging applications. This is the first time that a lead-free transducer has been used for IVUS imaging application. The experimental results suggest that the BZT-50BCT ceramic is a promising lead-free piezoelectric material for high-frequency intravascular imaging applications
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|a Letter
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|a Research Support, N.I.H., Extramural
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|a Research Support, Non-U.S. Gov't
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|a Metals, Heavy
|2 NLM
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| 700 |
1 |
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|a Lam, Kwok Ho
|e verfasserin
|4 aut
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|a Li, Xiang
|e verfasserin
|4 aut
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1 |
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|a Chen, Ruimin
|e verfasserin
|4 aut
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1 |
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|a Ren, Wei
|e verfasserin
|4 aut
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|a Ren, Xiaobing
|e verfasserin
|4 aut
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|a Zhou, Qifa
|e verfasserin
|4 aut
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|a Shung, K Kirk
|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 60(2013), 6 vom: 15. Juni, Seite 1272-6
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:60
|g year:2013
|g number:6
|g day:15
|g month:06
|g pages:1272-6
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