Browsing by Author "Harazim, S.M."
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- ItemIntegrated sensitive on-chip ion field effect transistors based on wrinkled ingaas nanomembranes(New York, NY [u.a.] : Springer, 2011) Harazim, S.M.; Feng, P.; Sanchez, S.; Deneke, C.; Mei, Y.; Schmidt, O.G.Self-organized wrinkling of pre-strained nanomembranes into nanochannels is used to fabricate a fully integrated nanofluidic device for the development of ion field effect transistors (IFETs). Constrained by the structure and shape of the membrane, the deterministic wrinkling process leads to a versatile variation of channel types such as straight two-way channels, three-way branched channels, or even four-way intersection channels. The fabrication of straight channels is well controllable and offers the opportunity to integrate multiple IFET devices into a single chip. Thus, several IFETs are fabricated on a single chip using a III-V semiconductor substrate to control the ion separation and to measure the ion current of a diluted potassium chloride electrolyte solution.