Free-standing thick-film piezoelectric device

Kok, S. L., White, N. M. and Harris, N. R. (2008) Free-standing thick-film piezoelectric device. Electronics Letters, 44, (4), 280-281.


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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.

Item Type: Article
ISSNs: 0013-5194
Divisions : Faculty of Physical Sciences and Engineering > Electronics and Computer Science > EEE
ePrint ID: 265808
Accepted Date and Publication Date:
Date Deposited: 27 May 2008 17:11
Last Modified: 31 Mar 2016 14:11
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