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Light-controlled growth of gallium nanoparticles

Light-controlled growth of gallium nanoparticles
Light-controlled growth of gallium nanoparticles
Optical excitation of covalent bond structures via plasmon-mediated local fields inside elemental gallium nanoparticles can explain the recently observed phenomenon of light-controlled gallium nanoparticle growth on silica substrates under very low intensity laser illumination. Alongside the previously reported mechanism of atomic desorption induced by electronic excitation, we introduce another parallel mechanism based on the suppression of adatom adsorption, and illustrate how both mechanisms lead to a narrowing of the size distribution of the particle during the growth process.
Nanoparticle fabrication, Stimulated desorption, Adsorption
0021-8979
3540-3544
Fedotov, V. A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
MacDonald, K. F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N. I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Emel'yanov, V. I.
370ca102-46fc-4afa-9533-99254d0fb205
Fedotov, V. A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
MacDonald, K. F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N. I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Emel'yanov, V. I.
370ca102-46fc-4afa-9533-99254d0fb205

Fedotov, V. A., MacDonald, K. F., Zheludev, N. I. and Emel'yanov, V. I. (2003) Light-controlled growth of gallium nanoparticles. Journal of Applied Physics, 93 (6), 3540-3544. (doi:10.1063/1.1555677).

Record type: Article

Abstract

Optical excitation of covalent bond structures via plasmon-mediated local fields inside elemental gallium nanoparticles can explain the recently observed phenomenon of light-controlled gallium nanoparticle growth on silica substrates under very low intensity laser illumination. Alongside the previously reported mechanism of atomic desorption induced by electronic excitation, we introduce another parallel mechanism based on the suppression of adatom adsorption, and illustrate how both mechanisms lead to a narrowing of the size distribution of the particle during the growth process.

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More information

Published date: 15 March 2003
Keywords: Nanoparticle fabrication, Stimulated desorption, Adsorption

Identifiers

Local EPrints ID: 28699
URI: https://eprints.soton.ac.uk/id/eprint/28699
ISSN: 0021-8979
PURE UUID: a37246c2-684b-45c8-91a2-904fd20e22c1
ORCID for K. F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for N. I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 08 May 2006
Last modified: 15 Aug 2019 00:55

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Contributors

Author: V. A. Fedotov
Author: K. F. MacDonald ORCID iD
Author: N. I. Zheludev ORCID iD
Author: V. I. Emel'yanov

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