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Periodical Microstructures Based on Novel Piezoelectric Material for Biomedical Applications

Faculty of Mechanical Engineering and Design, Kaunas University of Technology; Studentu str. 56, Kaunas LT-51424, Lithuania
Institute of Materials Science, Kaunas University of Technology, Barsausko str. 59, Kaunas LT-51423, Lithuania
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Sensors 2015, 15(12), 31699-31708;
Received: 1 November 2015 / Revised: 1 December 2015 / Accepted: 9 December 2015 / Published: 15 December 2015
(This article belongs to the Section Physical Sensors)
PDF [4772 KB, uploaded 15 December 2015]


A novel cantilever type piezoelectric sensing element was developed. Cost-effective and simple fabrication design allows the use of this element for various applications in the areas of biomedicine, pharmacy, environmental analysis and biosensing. This paper proposes a novel piezoelectric composite material whose basic element is PZT and a sensing platform where this material was integrated. Results showed that a designed novel cantilever-type element is able to generate a voltage of up to 80 µV at 50 Hz frequency. To use this element for sensing purposes, a four micron periodical microstructure was imprinted. Silver nanoparticles were precipitated on the grating to increase the sensitivity of the designed element, i.e., Surface Plasmon Resonance (SPR) effect appears in the element. To tackle some issues (a lack of sensitivity, signal delays) the element must have certain electronic and optical properties. One possible solution, proposed in this paper, is a combination of piezoelectricity and SPR in a single element. View Full-Text
Keywords: PZT; piezoelectric effect; periodical microstructure; SPR PZT; piezoelectric effect; periodical microstructure; SPR

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Janusas, G.; Ponelyte, S.; Brunius, A.; Guobiene, A.; Prosycevas, I.; Vilkauskas, A.; Palevicius, A. Periodical Microstructures Based on Novel Piezoelectric Material for Biomedical Applications. Sensors 2015, 15, 31699-31708.

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