Broad-band and high-temperature ultrasonic transducer fabricated using a Pb(In12Nb12)-Pb(Mg13Nb23)-PbTiO3single crystalepoxy 1-3 composite

Dan Zhou, Kwok Fung Cheung, Kwok Ho Lam, Yan Chen, Yat Ching Chiu, Jiyan Dai, Helen Lai Wa Chan, Haosu Luo

Research output: Journal article publicationJournal articleAcademic researchpeer-review

24 Citations (Scopus)

Abstract

In this paper, 1-3 composites based on Pb(In12Nb12)-Pb(Mg13Nb23)-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.
Original languageEnglish
Article number055110
JournalReview of Scientific Instruments
Volume82
Issue number5
DOIs
Publication statusPublished - 1 May 2011

ASJC Scopus subject areas

  • Instrumentation

Cite this