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APS » Journals » Phys. Rev. B » Volume 60 » Issue 15
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Phys. Rev. B 60, 11026–11029 (1999)

Quantum dots at the nanometer scale: Interdot carrier shuffling and multiparticle states

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H. Htoon, Hongbin Yu, D. Kulik, and J. W. Keto
Department of Physics, University of Texas at Austin, Austin, Texas 78712

O. Baklenov, A. L. Holmes, Jr., and B. G. Streetman
Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, Texas 78712

C. K. Shih*
Department of Physics, University of Texas at Austin, Austin, Texas 78712

Received 23 June 1999; published in the issue dated 15 October 1999

By using a spectroscopic imaging scheme we show that spatial locations of quantum dots (QD’s) can be determined with nanoscale precision. This capability enables us to observe: (a) thermally activated interdot carrier transfer among neighboring QD’s and (b) formation and disintegration of multiparticle states manifested by the interdot population shuffling.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.60.11026
DOI:
10.1103/PhysRevB.60.11026
PACS:
78.55.Cr, 71.35.-y, 78.66.Fd

*Author to whom correspondence should be addressed. Electronic address: shih@physics.utexas.edu

 
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