Instabilities in quantum point contact structures

We discuss the appearance of strong nonlinearities including S-type negative differential conductance in the I– Vcharacteristics of quantum point contact (QPC) structures. Time-dependent measurements demonstrate that the highly nonlinear d.c. I– Vfeatures are associated with a temporal average of ra...

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Veröffentlicht in:	Superlattices and microstructures 1996-01, Vol.20 (4), p.419-425
Hauptverfasser:	Wybourne, M.N., Smith, Jolinda C., Berven, C., Ramasubramaniam, R., Goodnick, S.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Electronics Exact sciences and technology Miscellaneous Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Online-Zugang:	Volltext
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