Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-07-30
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
An updated version was mistakenly placed on the arXiv as a new submission. Please navigate to arXiv:1009.1893v1 for the latest
Scientific paper
We report direct measurements of the potential barriers and electronic coupling between nanowire segments within a sketch-based oxide nanotransistor (SketchFET) device. Near room temperature, switching is governed by thermally activation across a potential barrier controlled by the nanowire gate. Below T=150 K, a crossover to quantum field emission is observed that is sensitive to structural phase transitions in the SrTiO3 layer. This direct measurement of the source-drain and gate-drain energy barriers is crucial for the development of room-temperature logic and memory elements and low-temperature quantum devices.
Bogorin Daniela
Cen Cheng
Levy Jeremy
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