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Vapor phase synthesis of crystalline nanometer-scale GaAs clusters

Saunders, Winston A. and Sercel, Peter C. and Atwater, Harry A. and Vahala, Kerry J. and Flagan, Richard C. (1992) Vapor phase synthesis of crystalline nanometer-scale GaAs clusters. Applied Physics Letters, 60 (8). pp. 950-952. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:SAUapl92

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Abstract

We report the synthesis of crystalline nanometer-scale GaAs clusters in the 5-10 nm size regime. The clusters are formed by the homogeneous nucleation of a nonequilibrium vapor created by the explosive vaporization of a bulk GaAs sample in an inert atmosphere. High resolution electron microscopy and diffraction show that the clusters have zincblende crystal structure and are faceted. Optical measurements on the particles are suggestive of quantum confinement effects.


Item Type:Article
Additional Information:Copyright © 1992 American Institute of Physics. Received 9 October 1991; accepted 10 December 1991. We acknowledge support by the NSF Contract CTS-8912328 and the Powell Foundation. P.C.S. acknowledges support by AT&T.
Subject Keywords:GALLIUM ARSENIDES; SIZE EFFECT; CRYSTAL GROWTH FROM VAPORS; EXPLOSIONS; EVAPORATION; NUCLEATION; CONFINEMENT; TRANSMISSION ELECTRON MICROSCOPY; ELECTRON DIFFRACTION; CRYSTAL STRUCTURE; MICROPARTICLES
Record Number:CaltechAUTHORS:SAUapl92
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SAUapl92
Alternative URL:http://dx.doi.org/10.1063/1.106471
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3619
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:22 Jun 2006
Last Modified:26 Dec 2012 08:55

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