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Aharonov–Bohm oscillations of a tuneable quantum ring

Keyser, U. F. and Borck, S. and Haug, R. J. and Abstreiter, Gerhard and Bichler, Max and Wegscheider, Werner (2002) Aharonov–Bohm oscillations of a tuneable quantum ring. Semiconductor Science and Technology 17 (5), L22-L24.

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Abstract

Using an atomic force microscope a ring geometry with self-aligned in-plane gates was directly written into a GaAs/AlGaAs heterostructure. Transport measurements in the open regime show only one transmitting mode and Aharonov–Bohm oscillations with more than 50% modulation are observed in the conductance. The tuning via in-plane gates allows one to study the Aharonov–Bohm effect in the whole ...

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Item Type:Article
Date:May 2002
Institutions:Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider
Identification Number:
ValueType
10.1088/0268-1242/17/5/103DOI
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:07 Dec 2009 13:07
Last Modified:13 Mar 2014 12:15
Item ID:11305
Owner Only: item control page
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