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Light-induced switching between structural forms with different optical properties in a single gallium nanoparticulate

Light-induced switching between structural forms with different optical properties in a single gallium nanoparticulate
Light-induced switching between structural forms with different optical properties in a single gallium nanoparticulate
In a single gallium nanoparticulate, self-assembled (from an atomic beam) in a nanoaperture at the tip of a tapered optical fiber, we have observed reversible light-induced reflectivity changes associated with a sequence of transformations between a number of structural forms with different optical properties, stimulated by optical excitation at nanowatt power levels. The ability to change the optical properties of a nanoparticulate using structural transformations provides a new mechanism for photonic functionality on the nanoscale.
Single nanoparticle, Structural transitions, Optical properties
1530-6984
2104-2107
Soares, B. F.
c9b6c349-36ef-4fa0-9724-e8bbf9e47d54
MacDonald, K. M.
76c84116-aad1-4973-b917-7ca63935dba5
Fedotov, V. A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Zheludev, N. I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Soares, B. F.
c9b6c349-36ef-4fa0-9724-e8bbf9e47d54
MacDonald, K. M.
76c84116-aad1-4973-b917-7ca63935dba5
Fedotov, V. A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Zheludev, N. I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Soares, B. F., MacDonald, K. M., Fedotov, V. A. and Zheludev, N. I. (2005) Light-induced switching between structural forms with different optical properties in a single gallium nanoparticulate. Nano Letters, 5 (10), 2104-2107. (doi:10.1021/nl0515652).

Record type: Article

Abstract

In a single gallium nanoparticulate, self-assembled (from an atomic beam) in a nanoaperture at the tip of a tapered optical fiber, we have observed reversible light-induced reflectivity changes associated with a sequence of transformations between a number of structural forms with different optical properties, stimulated by optical excitation at nanowatt power levels. The ability to change the optical properties of a nanoparticulate using structural transformations provides a new mechanism for photonic functionality on the nanoscale.

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More information

Published date: 26 August 2005
Keywords: Single nanoparticle, Structural transitions, Optical properties

Identifiers

Local EPrints ID: 28659
URI: http://eprints.soton.ac.uk/id/eprint/28659
DOI: doi:10.1021/nl0515652
ISSN: 1530-6984
PURE UUID: f6c5220f-83c0-4b8d-b43b-dec5e8026918
ORCID for K. M. 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: 03 May 2006
Last modified: 16 Mar 2024 03:10

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Contributors

Author: B. F. Soares
Author: K. M. MacDonald ORCID iD
Author: V. A. Fedotov
Author: N. I. Zheludev ORCID iD

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