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Luminescence read-out of nanoparticle phase state

Luminescence read-out of nanoparticle phase state
Luminescence read-out of nanoparticle phase state
We report that the phase state of bistable gallium nanoparticles, controlled by optical or electron beam excitations, can be identified via measurements of their cathodoluminescent emission, thus offering an innovative conceptual basis for the development of high density nonvolatile phase-change memories. Changes of up to 20% in visible emission intensity are observed following low-fluence optical or electron beam induced phase switching in a monolayer of 60 nm particles.
0003-6951
Denisyuk, A.I.
bc51efbd-42d7-4274-a68f-ab0cbc9f5836
Jonsson, F.
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MacDonald, K.F.
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Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
García de Abajo, F.J.
68958b41-966f-49ef-9578-d0ffa446b33e
Denisyuk, A.I.
bc51efbd-42d7-4274-a68f-ab0cbc9f5836
Jonsson, F.
7c3532cd-4995-47d6-bae9-137d829afeb1
MacDonald, K.F.
76c84116-aad1-4973-b917-7ca63935dba5
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
García de Abajo, F.J.
68958b41-966f-49ef-9578-d0ffa446b33e

Denisyuk, A.I., Jonsson, F., MacDonald, K.F., Zheludev, N.I. and García de Abajo, F.J. (2008) Luminescence read-out of nanoparticle phase state. Applied Physics Letters, 92 (9), [093112]. (doi:10.1063/1.2890483).

Record type: Article

Abstract

We report that the phase state of bistable gallium nanoparticles, controlled by optical or electron beam excitations, can be identified via measurements of their cathodoluminescent emission, thus offering an innovative conceptual basis for the development of high density nonvolatile phase-change memories. Changes of up to 20% in visible emission intensity are observed following low-fluence optical or electron beam induced phase switching in a monolayer of 60 nm particles.

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Published date: 5 March 2008
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Identifiers

Local EPrints ID: 50682
URI: http://eprints.soton.ac.uk/id/eprint/50682
DOI: doi:10.1063/1.2890483
ISSN: 0003-6951
PURE UUID: af9126f0-913c-4630-9274-b82a7d134996
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

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Date deposited: 13 Mar 2008
Last modified: 16 Mar 2024 03:10

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Contributors

Author: A.I. Denisyuk
Author: F. Jonsson
Author: K.F. MacDonald ORCID iD
Author: N.I. Zheludev ORCID iD
Author: F.J. García de Abajo

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