Pronounced switching bistability in a feedback coupled nanoelectronic Y-branch switch

Reitzenstein, S.; Worschech, L.; Hartmann, P.; Forchel, A.
March 2003
Applied Physics Letters;3/24/2003, Vol. 82 Issue 12, p1980
Academic Journal
Electron Y-branch switches (YBSs) were fabricated in modulation-doped GaAs/AlGaAs heterostructures by electron-beam lithography and etching techniques. The YBS is controlled by two lateral sidegates. Feedback coupling of one of the branches to the adjacent sidegate leads to a pronounced switching bistability when varying the voltage at the other sidegate. This mode of operation is associated with a Schmitt-Trigger-like switching hysteresis of up to 135 mV.


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