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Proceedings 2018, 2(13), 1513; https://doi.org/10.3390/proceedings2131513

A New Method for 2D Materials Properties Modulation by Controlled Induced Mechanical Strain

1
Brno University of Technology, Faculty of Electrical Engineering and Communication, Technická 3058/10, 616 00 Brno, Czech Republic
2
Brno University of Technology, Central European Institute of Technology, Purkyňova 123, 612 00 Brno, Czech Republic
3
Northwestern Polytechnical University, Department of Microsystem Engineering, 127 West Youyi Road, Xi’an 710072, China
Presented at the Eurosensors 2018 Conference, Graz, Austria, 9–12 September 2018.
*
Authors to whom correspondence should be addressed.
Published: 7 December 2018
PDF [1126 KB, uploaded 7 December 2018]

Abstract

This paper proposes a new method for characterization of 2D materials under the precisely specified conditions. It is achieved by integration of a 2D material as a field effect transistors structures with a piezoelectric resonator. Properties of the 2D material can be mechanically adjusted by the resonator. It results in the independent and precise control of an amplitude of induced mechanical strain, its modulating frequency, which all influence the 2D material properties. The electrical field required to measure 2D material field effect transistors will not be affected by the vibrations, thus giving us a chance to perform the precise measurement of the electrical properties of the 2D material. This approach has a great potential for measuring and monitoring cells, enzymes, nucleic acids, deoxyribonucleic acid and ribonucleic acid. It can be also used for measurement of toxic, combustive or waste gases.
Keywords: 2D materials; induced strain; piezoelectric resonator; FET structure 2D materials; induced strain; piezoelectric resonator; FET structure
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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Gablech, I.; Pekárek, J.; Klempa, J.; Vyroubal, P.; Svatoš, V.; Neužil, P. A New Method for 2D Materials Properties Modulation by Controlled Induced Mechanical Strain. Proceedings 2018, 2, 1513.

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