Quantized electron transport by interference-induced quantum dots of two cross-travelling surface acoustic waves
| dc.creator | Chen, Xiang-Song | |
| dc.date | 2006-10-09 | |
| dc.date.accessioned | 2026-07-07T07:27:25Z | |
| dc.date.available | 2026-07-07T07:27:25Z | |
| dc.description | In traditional approaches of obtaining quantized acoustoelectric current, a narrow channel is fabricated to form quantum dots, which hold a fixed number of electrons at a certain depth. We propose a natural way of forming quantum dots without the narrow channel, by the interference of two surface acoustic waves (SAWs) propagating across each other. A wide transportation area is defined by the usual (but widely separated) split-gate structure with another independent gate in between. This design can increase the quantized current by one to two orders of magnitude. The three-gate structure also allows separate control of the barrier height and the side-gate pinch-off voltage, thus avoids current leakage through the area beneath the side gates. | |
| dc.description | 2 pages, 3 figures | |
| dc.identifier | https://arxiv.org/abs/cond-mat/0610226 | |
| dc.identifier | http://arxiv.org/abs/cond-mat/0610226 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/117367 | |
| dc.subject | Mesoscale and Nanoscale Physics | |
| dc.title | Quantized electron transport by interference-induced quantum dots of two cross-travelling surface acoustic waves | |
| dc.type | text |