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Synthesis of luminescent silicon clusters by spark ablation

Saunders, Winston A. and Sercel, Peter C. and Lee, R. B. and Atwater, Harry A. and Vahala, Kerry J. and Flagan, Richard C. and Escorcia-Aparcio, Ernesto J. (1993) Synthesis of luminescent silicon clusters by spark ablation. Applied Physics Letters, 63 (11). pp. 1549-1551. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:SAUapl93

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Abstract

The synthesis of luminescent nanometer-scale Si clusters by spark ablation from a crystalline Si substrate is described. The cluster source, described in the text, generates clusters in a flowing Ar stream at atmospheric pressure. Electron microscopy reveals that the clusters have diameters in the 2-4 nm size range. The luminescence spectra of the clusters, similar to that of porous Si, are presented.


Item Type:Article
Additional Information:Copyright © 1993 American Institute of Physics. Received 26 February 1993; accepted for publication 8 July 1993. We acknowledge support by the NSF Contract No. CTS-8912328. P.C.S. acknowledges support by AT&T.
Subject Keywords:SILICON; SOLID CLUSTERS; NANOSTRUCTURES; PHOTOLUMINESCENCE; SYNTHESIS; ELECTRIC SPARKS; ABLATION; ELECTRON MICROSCOPY
Record Number:CaltechAUTHORS:SAUapl93
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SAUapl93
Alternative URL:http://dx.doi.org/10.1063/1.110745
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4998
Collection:CaltechAUTHORS
Deposited By: Lindsay Cleary
Deposited On:18 Sep 2006
Last Modified:26 Dec 2012 09:03

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