In this paper, 1–3 composites based on Pb(In1/2Nb1/2)-Pb(Mg1/3Nb2/3)-PbTiO3 (PIMNT) single crystal and high-temperature epoxy were fabricated with various volume fractions of PIMNT single crystal ranging from 0.4 to 0.9. The electrical properties were studied as functions of PIMNT volume fraction and temperature, and it revealed that the nature of ultrahigh electromechanical coupling coefficient (0.82–0.93) and low acoustic impedance (17–19 MRayl) of the composites can be retained within a wide temperature range from room temperature to 185 °C. Single element ultrasonic transducer using the PIMNT 1–3 composite was fabricated and characterized as a function of temperature. It was found that the transducer can still work normally at high temperatures, such as 165 °C, possessing a bandwidth of 95% and insertion loss of –27 dB.
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Research Article|
May 19 2011
Broad-band and high-temperature ultrasonic transducer fabricated using a Pb(In1/2Nb1/2)-Pb(Mg1/3Nb2/3)-PbTiO3 single crystal/epoxy 1–3 composite Available to Purchase
Dan Zhou;
Dan Zhou
1Department of Applied Physics and Materials Research Centre,
The Hong Kong Polytechnic University
, Hong Kong, China
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Kwok Fung Cheung;
Kwok Fung Cheung
1Department of Applied Physics and Materials Research Centre,
The Hong Kong Polytechnic University
, Hong Kong, China
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Kwok Ho Lam;
Kwok Ho Lam
1Department of Applied Physics and Materials Research Centre,
The Hong Kong Polytechnic University
, Hong Kong, China
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Yan Chen;
Yan Chen
1Department of Applied Physics and Materials Research Centre,
The Hong Kong Polytechnic University
, Hong Kong, China
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Yat Ching Chiu;
Yat Ching Chiu
1Department of Applied Physics and Materials Research Centre,
The Hong Kong Polytechnic University
, Hong Kong, China
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Jiyan Dai;
Jiyan Dai
a)
1Department of Applied Physics and Materials Research Centre,
The Hong Kong Polytechnic University
, Hong Kong, China
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Helen Lai Wa Chan;
Helen Lai Wa Chan
1Department of Applied Physics and Materials Research Centre,
The Hong Kong Polytechnic University
, Hong Kong, China
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Haosu Luo
Haosu Luo
2Information Materials and Devices Research Center,
Shanghai Institute of Ceramics
, Chinese Academy of Science, Shanghai 201800, China
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Dan Zhou
1
Kwok Fung Cheung
1
Kwok Ho Lam
1
Yan Chen
1
Yat Ching Chiu
1
Jiyan Dai
1,a)
Helen Lai Wa Chan
1
Haosu Luo
2
1Department of Applied Physics and Materials Research Centre,
The Hong Kong Polytechnic University
, Hong Kong, China
2Information Materials and Devices Research Center,
Shanghai Institute of Ceramics
, Chinese Academy of Science, Shanghai 201800, China
a)
Fax: +852-2333-7629. Electronic mail: [email protected]
Rev. Sci. Instrum. 82, 055110 (2011)
Article history
Received:
March 02 2011
Accepted:
March 31 2011
Citation
Dan Zhou, Kwok Fung Cheung, Kwok Ho Lam, Yan Chen, Yat Ching Chiu, Jiyan Dai, Helen Lai Wa Chan, Haosu Luo; Broad-band and high-temperature ultrasonic transducer fabricated using a Pb(In1/2Nb1/2)-Pb(Mg1/3Nb2/3)-PbTiO3 single crystal/epoxy 1–3 composite. Rev. Sci. Instrum. 1 May 2011; 82 (5): 055110. https://doi.org/10.1063/1.3583746
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