Abstract
Thick films of ferroelectric bismuth titanate (Bi4Ti3O12) have been fabricated by spray-on deposition in conjunction with microwave sintering for use as high-temperature ultrasonic transducers. The elastic modulus, density, permittivity, and conductivity of the films were characterized. Electro-mechanical properties of the films were estimated with a commercial d33 meter which gave 16 pC/N. This value is higher than typically reported for bulk bismuth titanate; however, these films withstand higher field strengths during poling which is correlated with higher d33 values. Films were capable of operating at 650 °C for roughly 5 min before depoling and can operate at 600 °C for at least 7 days.
| Original language | English (US) |
|---|---|
| Article number | 7330039 |
| Pages (from-to) | 139-146 |
| Number of pages | 8 |
| Journal | IEEE transactions on ultrasonics, ferroelectrics, and frequency control |
| Volume | 63 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 1 2016 |
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All Science Journal Classification (ASJC) codes
- Instrumentation
- Acoustics and Ultrasonics
- Electrical and Electronic Engineering
Cite this
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Bismuth titanate fabricated by spray-on deposition and microwave sintering for high-temperature ultrasonic transducers. / Searfass, Clifford T.; Pheil, C.; Sinding, K.; Tittmann, Bernhard R.; Baba, A.; Agrawal, Dinesh Kumar.
In: IEEE transactions on ultrasonics, ferroelectrics, and frequency control, Vol. 63, No. 1, 7330039, 01.01.2016, p. 139-146.Research output: Contribution to journal › Article
TY - JOUR
T1 - Bismuth titanate fabricated by spray-on deposition and microwave sintering for high-temperature ultrasonic transducers
AU - Searfass, Clifford T.
AU - Pheil, C.
AU - Sinding, K.
AU - Tittmann, Bernhard R.
AU - Baba, A.
AU - Agrawal, Dinesh Kumar
PY - 2016/1/1
Y1 - 2016/1/1
N2 - Thick films of ferroelectric bismuth titanate (Bi4Ti3O12) have been fabricated by spray-on deposition in conjunction with microwave sintering for use as high-temperature ultrasonic transducers. The elastic modulus, density, permittivity, and conductivity of the films were characterized. Electro-mechanical properties of the films were estimated with a commercial d33 meter which gave 16 pC/N. This value is higher than typically reported for bulk bismuth titanate; however, these films withstand higher field strengths during poling which is correlated with higher d33 values. Films were capable of operating at 650 °C for roughly 5 min before depoling and can operate at 600 °C for at least 7 days.
AB - Thick films of ferroelectric bismuth titanate (Bi4Ti3O12) have been fabricated by spray-on deposition in conjunction with microwave sintering for use as high-temperature ultrasonic transducers. The elastic modulus, density, permittivity, and conductivity of the films were characterized. Electro-mechanical properties of the films were estimated with a commercial d33 meter which gave 16 pC/N. This value is higher than typically reported for bulk bismuth titanate; however, these films withstand higher field strengths during poling which is correlated with higher d33 values. Films were capable of operating at 650 °C for roughly 5 min before depoling and can operate at 600 °C for at least 7 days.
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UR - http://www.scopus.com/inward/citedby.url?scp=85009410567&partnerID=8YFLogxK
U2 - 10.1109/TUFFC.2015.2501241
DO - 10.1109/TUFFC.2015.2501241
M3 - Article
VL - 63
SP - 139
EP - 146
JO - IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
JF - IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
SN - 0885-3010
IS - 1
M1 - 7330039
ER -