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Application of gold nanodots for Maxwell-Wagner loss reduction

Application of gold nanodots for Maxwell-Wagner loss reduction
Application of gold nanodots for Maxwell-Wagner loss reduction
Any element or mechanism that can cause a spatial variation of charge density can contribute to the dielectric susceptibility of a structure. Particularly, we focus on metal–insulator–semiconductor (MIS) structures that support interfacial polarisation. Since energy storage and dissipation are two aspects of the same phenomenon, the attainable large effective electric permittivity of such structures is accompanied by comparably large dielectric losses that prohibit practical application in monolithic-microwave integrated circuits (MMICs). The authors present a process technique for developing gold nanodots buried in the insulating medium that confine the electric field within the oxide layer, that is prohibiting E-field penetration to the substrate, which is rather lossy. Measured results demonstrate that the proposed structure exhibits an almost identical effective electric permittivity with a standard MIS, nonetheless the losses are decreased.
1750-0443
80-83
Prodromakis, T.
d58c9c10-9d25-4d22-b155-06c8437acfbf
Papavassiliou, C.
5faf408a-ca30-47e5-8283-4a65536f91ff
Konstantinidis, G.
0ed6040d-aa36-4320-846e-029e96bbfed5
Toumazou, C.
52728165-8fe5-4c54-9fad-e9ccc4423dd6
Prodromakis, T.
d58c9c10-9d25-4d22-b155-06c8437acfbf
Papavassiliou, C.
5faf408a-ca30-47e5-8283-4a65536f91ff
Konstantinidis, G.
0ed6040d-aa36-4320-846e-029e96bbfed5
Toumazou, C.
52728165-8fe5-4c54-9fad-e9ccc4423dd6

Prodromakis, T., Papavassiliou, C., Konstantinidis, G. and Toumazou, C. (2009) Application of gold nanodots for Maxwell-Wagner loss reduction. Micro & Nano Letters, 4 (2), 80-83. (doi:10.1049/mnl.2009.0016).

Record type: Article

Abstract

Any element or mechanism that can cause a spatial variation of charge density can contribute to the dielectric susceptibility of a structure. Particularly, we focus on metal–insulator–semiconductor (MIS) structures that support interfacial polarisation. Since energy storage and dissipation are two aspects of the same phenomenon, the attainable large effective electric permittivity of such structures is accompanied by comparably large dielectric losses that prohibit practical application in monolithic-microwave integrated circuits (MMICs). The authors present a process technique for developing gold nanodots buried in the insulating medium that confine the electric field within the oxide layer, that is prohibiting E-field penetration to the substrate, which is rather lossy. Measured results demonstrate that the proposed structure exhibits an almost identical effective electric permittivity with a standard MIS, nonetheless the losses are decreased.

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More information

Published date: 2009
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 351556
URI: https://eprints.soton.ac.uk/id/eprint/351556
ISSN: 1750-0443
PURE UUID: 3d616143-e4f8-4981-bf92-2b96f734da1f
ORCID for T. Prodromakis: ORCID iD orcid.org/0000-0002-6267-6909

Catalogue record

Date deposited: 23 Apr 2013 14:26
Last modified: 17 Jul 2018 00:29

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