High-frequency ultrasonic transducer fabricated with lead-free piezoelectric single crystal
High-frequency (25 MHz) ultrasonic transducers with Na 0.5 Bi 0.5 TiO 3 -BaTiO 3 (NBT-BT) lead-free piezoelectric single crystal as the active elements are fabricated and characterized. The impedance measurement reveals that the poled [001]-oriented NBT-BT single crystal exhibits a high thickness el...
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Veröffentlicht in: | IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2010-11, Vol.57 (11), p.2601-2604 |
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container_title | IEEE transactions on ultrasonics, ferroelectrics, and frequency control |
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creator | Yan Chen Xiang Ping Jiang Hao Su Luo Ji Yan Dai Chan, H L W |
description | High-frequency (25 MHz) ultrasonic transducers with Na 0.5 Bi 0.5 TiO 3 -BaTiO 3 (NBT-BT) lead-free piezoelectric single crystal as the active elements are fabricated and characterized. The impedance measurement reveals that the poled [001]-oriented NBT-BT single crystal exhibits a high thickness electromechanical coefficient k t of 0.52 and a low clamped dielectric constant of 80. The -6-dB bandwidth of the transducer is 46.16% and the insertion loss at the center frequency is -31.89 dB. The good performance of the transducer indicates that the NBT-BT single crystal would be a promising lead-free material for ultrasonic transducer applications. |
doi_str_mv | 10.1109/TUFFC.2010.1727 |
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The impedance measurement reveals that the poled [001]-oriented NBT-BT single crystal exhibits a high thickness electromechanical coefficient k t of 0.52 and a low clamped dielectric constant of 80. The -6-dB bandwidth of the transducer is 46.16% and the insertion loss at the center frequency is -31.89 dB. The good performance of the transducer indicates that the NBT-BT single crystal would be a promising lead-free material for ultrasonic transducer applications.</description><identifier>ISSN: 0885-3010</identifier><identifier>EISSN: 1525-8955</identifier><identifier>DOI: 10.1109/TUFFC.2010.1727</identifier><identifier>PMID: 21041148</identifier><identifier>CODEN: ITUCER</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Acoustics ; Active control ; Bandwidth ; Crystals ; Dielectric constant ; Exact sciences and technology ; Ferroelectric materials ; Frequency measurement ; Fundamental areas of phenomenology (including applications) ; Noise levels ; Physics ; Piezoelectricity ; Single crystals ; Transducers ; Transduction; acoustical devices for the generation and reproduction of sound ; Ultrasonic transducers</subject><ispartof>IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 2010-11, Vol.57 (11), p.2601-2604</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The good performance of the transducer indicates that the NBT-BT single crystal would be a promising lead-free material for ultrasonic transducer applications.</description><subject>Acoustics</subject><subject>Active control</subject><subject>Bandwidth</subject><subject>Crystals</subject><subject>Dielectric constant</subject><subject>Exact sciences and technology</subject><subject>Ferroelectric materials</subject><subject>Frequency measurement</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Noise levels</subject><subject>Physics</subject><subject>Piezoelectricity</subject><subject>Single crystals</subject><subject>Transducers</subject><subject>Transduction; acoustical devices for the generation and reproduction of sound</subject><subject>Ultrasonic transducers</subject><issn>0885-3010</issn><issn>1525-8955</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNp9kc1r3DAQxUVJaTabnnsoBEMpzcWJRtZY8rEs3SYQ6CU55WC08jhR0NobySZs_vrI2W0KOfSiD95vHsx7jH0BfgbAq_Prm-VycSb49FdCfWAzQIG5rhAP2IxrjXmRxEN2FOMD5yBlJT6xQwFcAkg9Y7cX7u4-bwM9jtTZbTb6IZjYd85m6dHFZrQUstasgrNmoCZ7csN95sk00xBlG0fPPXmyQwKy6Lo7T5kN2zgYf8w-tsZH-ry_5-xm-et6cZFf_fl9ufh5lVvJ1ZCDoEZgi4AlKiWIq0qnQ6sSBTRSyEKW2lqCCjQUgCtYSQsGreLSoFHFnP3Y-W5Cn9aIQ7120ZL3pqN-jLUqhVBSIiTy9L8klAqEAl5gQr-9Qx_6MXRpjzrpKUmFfDI831E29DEGautNcGsTtgmqp4bq14bqqaF6aihNnOx9x9Wamjf-byUJ-L4HTLTGt6kF6-I_rihSMimUOfu64xwRvclYAiiuixeRcJ-7</recordid><startdate>20101101</startdate><enddate>20101101</enddate><creator>Yan Chen</creator><creator>Xiang Ping Jiang</creator><creator>Hao Su Luo</creator><creator>Ji Yan Dai</creator><creator>Chan, H L W</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The impedance measurement reveals that the poled [001]-oriented NBT-BT single crystal exhibits a high thickness electromechanical coefficient k t of 0.52 and a low clamped dielectric constant of 80. The -6-dB bandwidth of the transducer is 46.16% and the insertion loss at the center frequency is -31.89 dB. The good performance of the transducer indicates that the NBT-BT single crystal would be a promising lead-free material for ultrasonic transducer applications.</abstract><cop>New York, NY</cop><pub>IEEE</pub><pmid>21041148</pmid><doi>10.1109/TUFFC.2010.1727</doi><tpages>4</tpages></addata></record> |
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subjects | Acoustics Active control Bandwidth Crystals Dielectric constant Exact sciences and technology Ferroelectric materials Frequency measurement Fundamental areas of phenomenology (including applications) Noise levels Physics Piezoelectricity Single crystals Transducers Transduction acoustical devices for the generation and reproduction of sound Ultrasonic transducers |
title | High-frequency ultrasonic transducer fabricated with lead-free piezoelectric single crystal |
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