Quantized conductance and electron focusing spectra of GaAs/AlGaAs point contacts fabricated by

Gao, J.R.; van Wees, B.J.
May 1994
Applied Physics Letters;5/9/1994, Vol. 64 Issue 19, p2529
Academic Journal
Details the fabrication of split-gate quantum double point contact device on two-dimensional electron gas of gallium arsenide/aluminum gallium arsenide heterostructures. Ranges of the typical opening split gates; Introduction of horn-shape constrictions; Attainment of electron focusing spectra for various point contact widths.


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