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Optical size control in growth of gallium nanoparticles

Optical size control in growth of gallium nanoparticles
Optical size control in growth of gallium nanoparticles
We report that a low level of optical excitation provides a substantial influence on the size distribution of gallium nanoparticles grown from the atomic beam on a cryogenic substrate, thus providing a new way of achieving tailored films of nanoparticles with given characteristics. The growth experiments, performed in situ in the vacuum chamber of a scanning electron microscope (SEM) equipped with an inverted effusion cell, revealed that the median diameter of the nanoparticles decreases with increasing irradiating optical power, with 0.1, 0.2 and 0.4 mW average power resulting in 70, 50 and 45 nm particles, respectively.
Denisyuk, Andrey I.
3e1a7750-188c-4a89-820a-f58b721e4345
Jonsson, Fredrik
53a3fa1c-c987-496b-ab8b-1a9ba67f8346
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Denisyuk, Andrey I.
3e1a7750-188c-4a89-820a-f58b721e4345
Jonsson, Fredrik
53a3fa1c-c987-496b-ab8b-1a9ba67f8346
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Denisyuk, Andrey I., Jonsson, Fredrik and Zheludev, Nikolay I. (2007) Optical size control in growth of gallium nanoparticles. 8th International Congress on Optical Particle Characterization, Graz, Austria. 09 - 13 Jul 2007. 1 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

We report that a low level of optical excitation provides a substantial influence on the size distribution of gallium nanoparticles grown from the atomic beam on a cryogenic substrate, thus providing a new way of achieving tailored films of nanoparticles with given characteristics. The growth experiments, performed in situ in the vacuum chamber of a scanning electron microscope (SEM) equipped with an inverted effusion cell, revealed that the median diameter of the nanoparticles decreases with increasing irradiating optical power, with 0.1, 0.2 and 0.4 mW average power resulting in 70, 50 and 45 nm particles, respectively.

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Published date: July 2007
Venue - Dates: 8th International Congress on Optical Particle Characterization, Graz, Austria, 2007-07-09 - 2007-07-13

Identifiers

Local EPrints ID: 47831
URI: https://eprints.soton.ac.uk/id/eprint/47831
PURE UUID: c8db6c35-5716-453c-a141-4500c94147d9
ORCID for Nikolay I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 15 Aug 2007
Last modified: 14 Mar 2019 01:53

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Contributors

Author: Andrey I. Denisyuk
Author: Fredrik Jonsson

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