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Manipulating quantum dots to nanometer precision by control of flow

TitleManipulating quantum dots to nanometer precision by control of flow
Publication TypeJournal Article
Year of Publication2010
AuthorsC. Ropp, R. Probst, Z. Cummins, R. Kumar, A. J. Berglund, S. R. Raghavan, E. Waks, and B. Shapiro
JournalNano Lett.
Volume10
Pagination2525–30
Date Publishedjul
ISSN1530-6992
Keywords2010, Single Fellow
Abstract

We present a method for manipulating preselected quantum dots (QDs) with nanometer precision by flow control. The accuracy of this approach scales more favorably with particle size than optical trapping, enabling more precise positioning of nanoscopic particles. We demonstrate the ability to position a single QD in a 100 microm working region to 45 nm accuracy for holding times exceeding one hour and the ability to take active quantum measurements on the dynamically manipulated QD.

URLhttp://dx.doi.org/10.1021/nl101105j