Electrical and optical properties of Lead Zirconate Titanate composite films used in flexible high temperature ultrasonic transducers

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DOIResolve DOI: http://doi.org/10.1109/ULTSYM.2011.0209
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TypeArticle
Proceedings titleIEEE International Ultrasonics Symposium, IUS
Conference2011 IEEE International Ultrasonics Symposium, IUS 2011, 18 October 2011 through 21 October 2011, Orlando, FL
ISSN1948-5719
ISBN9781457712531
Article number6293545
Pages856859; # of pages: 4
SubjectAfter-heat treatment; Capacitance shift; Electrical and optical properties; Flexible ultrasonic transducer; High temperature; High temperature ultrasonic transducers; Lead zirconate titanate; Photochromic effects; photoconductive; Sol-gel composite; Sol-gel spray technique; Temperature dependent; U.V. absorbent; Absorption; Electric properties; Heat treatment; Optical properties; Photoconductivity; Semiconducting lead compounds; Sol-gel process; Sol-gels; Thermoanalysis; Transducers; Ultrasonic transducers; Composite films
AbstractLead Zirconate Titanate composite (PZT-c) films deposited by a sol-gel spray technique typically used to fabricate high temperature flexible ultrasonic transducers (FUTs) were found to be absorbent to U.V. between 200 nm and approximately 450 nm before and after heat treatments at up to 650°C. Air dried PZT-c films were also found to exhibit a photochromic effect when exposed to U.V. light. These films are reported to be photoconductive before and after a drying and a heat treatment of 650°C. Thermal analyses show an increase in heat flow with illumination and a temperature dependent capacitance shift of about 100°C to lower temperature of the Curie temperature with illumination. © 2011 IEEE.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Industrial Materials Institute (IMI-IMI)
Peer reviewedYes
NPARC number21271058
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Record identifier8a1cb5d7-9c5e-4fdb-836a-08c8b6789499
Record created2014-03-24
Record modified2016-05-09
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