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Quantum dot artificial solids: Understanding the static and dynamic role of size and packing disorder

Beverly, K. C. and Sample, J. L. and Sampaio, J. F. and Remacle, F. and Heath, J. R. and Levine, R. D. (2002) Quantum dot artificial solids: Understanding the static and dynamic role of size and packing disorder. Proceedings of the National Academy of Sciences of the United States of America, 99 (suppl. 2). pp. 6456-6459. ISSN 0027-8424. PMCID PMC128549. https://resolver.caltech.edu/CaltechAUTHORS:BEVpnas02

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Abstract

This perspective examines quantum dot (QD) superlattices as model systems for achieving a general understanding of the electronic structure of solids and devices built from nanoscale components. QD arrays are artificial two-dimensional solids, with novel optical and electric properties, which can be experimentally tuned. The control of the properties is primarily by means of the selection of the composition and size of the individual QDs and secondly, through their packing. The freedom of the architectural design is constrained by nature insisting on diversity. Even the best synthesis and separation methods do not yield dots of exactly the same size nor is the packing in the self-assembled array perfectly regular. A series of experiments, using both spectroscopic and electrical probes, has characterized the effects of disorder for arrays of metallic dots. We review these results and the corresponding theory. In particular, we discuss temperature-dependent transport experiments as the next step in the characterization of these arrays.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC128549/PubMed CentralArticle
https://doi.org/10.1073/pnas.251537898DOIUNSPECIFIED
https://doi.org/10.1073/pnas.251537898DOIUNSPECIFIED
ORCID:
AuthorORCID
Heath, J. R.0000-0001-5356-4385
Additional Information:© 2002 by the National Academy of Sciences. Published online before print March 5, 2002, 10.1073/pnas.251537898 This work was funded by the Department of Energy and a Collaborative University of California/Los Alamos Research grant. F.R. is a "Maître de Recherches," Fonds National de la Recherche Scientifique, Belgium and thanks Liège University for a "Crédit d'impulsion" grant. Computational facilities were provided by Sonderforschunbereich 377 (Hebrew University) and Numerically Intensive Computing (Liège University). This paper results from the Arthur M. Sackler Colloquium of the National Academy of Sciences, "Nanoscience: Underlying Physical Concepts and Phenomena," held May 18–20, 2001, at the National Academy of Sciences in Washington, DC.
Issue or Number:suppl. 2
PubMed Central ID:PMC128549
Record Number:CaltechAUTHORS:BEVpnas02
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:BEVpnas02
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4233
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:08 Aug 2006
Last Modified:02 Oct 2019 23:11

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