Free-standing thick-film piezoelectric device
Free-standing thick-film piezoelectric device
A free-standing thick-film cantilever sensor structure is presented. Such devices find use in applications such as vibration detection or energy harvesting. The structure was fabricated by screen printing layers of lead zirconate titanate (PZT) between silver/palladium electrodes and co-firing the layers together with a carbon sacrificial layer (deposited underneath) in an air environment at a temperature of 850°C. The free-standing structure, of dimensions 18 mm long by 9 mm wide and thickness of 50 ?m, was found to produce electrical powers of up to 95 nW at an acceleration level of 9.81 m/s2 (1 g), when driving a 60 kOhm load resistance.
280-281
Kok, S. L.
b54e40a3-13b5-4793-9571-90373cbd8ee8
White, N. M.
c7be4c26-e419-4e5c-9420-09fc02e2ac9c
Harris, N. R.
237cfdbd-86e4-4025-869c-c85136f14dfd
2008
Kok, S. L.
b54e40a3-13b5-4793-9571-90373cbd8ee8
White, N. M.
c7be4c26-e419-4e5c-9420-09fc02e2ac9c
Harris, N. R.
237cfdbd-86e4-4025-869c-c85136f14dfd
Kok, S. L., White, N. M. and Harris, N. R.
(2008)
Free-standing thick-film piezoelectric device.
Electronics Letters, 44 (4), .
Abstract
A free-standing thick-film cantilever sensor structure is presented. Such devices find use in applications such as vibration detection or energy harvesting. The structure was fabricated by screen printing layers of lead zirconate titanate (PZT) between silver/palladium electrodes and co-firing the layers together with a carbon sacrificial layer (deposited underneath) in an air environment at a temperature of 850°C. The free-standing structure, of dimensions 18 mm long by 9 mm wide and thickness of 50 ?m, was found to produce electrical powers of up to 95 nW at an acceleration level of 9.81 m/s2 (1 g), when driving a 60 kOhm load resistance.
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Published date: 2008
Organisations:
EEE
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Local EPrints ID: 265808
URI: http://eprints.soton.ac.uk/id/eprint/265808
ISSN: 0013-5194
PURE UUID: 404f6055-55f9-4941-b71b-1e391106a8e7
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Date deposited: 27 May 2008 17:11
Last modified: 07 Dec 2024 02:34
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Contributors
Author:
S. L. Kok
Author:
N. M. White
Author:
N. R. Harris
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