Nanoimprinted high-frequency surface acoustic wave devices: Generation, characterization and acousto-electric transport

Serkan Büyükköse

Research output: ThesisPhD Thesis - Research UT, graduation UT

107 Downloads (Pure)

Abstract

This thesis deals with both the excitation and characterization of high-frequency SAWs, as well as with SAW-induced charge transport by using an electrical excitation method. SAWs are widely used and very important in both research and industry. In piezoelectric materials, they can be excited through the inverse piezoelectric effect by using interdigital transducers (IDTs). Because of the piezoelectricity of the material, a piezoelectric potential wave accompanies the mechanical wave. The unique SAW properties make them suitable not only for signal processing, but also for sensing applications, photonics, and charge transport. The SAW frequency is determined by the periodicity of the IDT electrodes and the acoustic velocity of the material. Almost for all applications, there is a strong demand for higher frequencies, for example to enhance the processing speed or to reach the single-charge manipulation regime.
Original languageEnglish
Awarding Institution
  • University of Twente
Supervisors/Advisors
  • van der Wiel, Wilfred G., Supervisor
Thesis sponsors
Award date20 Mar 2014
Place of PublicationEnschede
Publisher
Print ISBNs978-90-365-3628-8
DOIs
Publication statusPublished - 20 Mar 2014

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