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Optical and Structural Characteristics Of Gold Nanocrystallites Embedded in a Dielectric Matrix

Published online by Cambridge University Press:  10 February 2011

A.K. Sharma ,
J.F. Muth ,
A. Kvit ,
J. Narayan  and
R.M. Kolbas
A.K. Sharma
Affiliation:
Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695-7916
J.F. Muth
Affiliation:
Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC 27695
A. Kvit
Affiliation:
Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695-7916
J. Narayan
Affiliation:
Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695-7916
R.M. Kolbas
Affiliation:
Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC 27695
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Abstract

We have fabricated Gold (Au) crystallites in amorphous alumina matrix by pulsed laser deposition. The characterization of these multilayer sequences was performed by high resolution transmission electron microscopy (HRTEM) and optical transmission measurements. TEM studies revealed the morphology and the microstructure of these composites. The optical transmission spectra showed characteristic surface plasma resonance of Au particles confined by the host dielectric matrix. These resonances fall in the visible spectral range. The importance of pulsed laser deposition in fabricating these composite films is discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 617: Symposium J – Laser-Solid Interactionsfor Materials Processing , 2000 , J2.7
Copyright
Copyright © Materials Research Society 2000

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