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Application of MeV Ion Implantation in the Formation of Nano-Metallic Clusters in Silica

Published online by Cambridge University Press:  10 February 2011

D. Ila ,
Z. Wu ,
R. L. Zimmerman ,
S. Sarkisov ,
C. C. Smith ,
D. B. Poker  and
D. K. Hensley
D. Ila
Affiliation:
Center for Irradiation of Materials, Alabama A&M University, Normal AL 35762
Z. Wu
Affiliation:
Center for Irradiation of Materials, Alabama A&M University, Normal AL 35762
R. L. Zimmerman
Affiliation:
Center for Irradiation of Materials, Alabama A&M University, Normal AL 35762
S. Sarkisov
Affiliation:
Center for Irradiation of Materials, Alabama A&M University, Normal AL 35762
C. C. Smith
Affiliation:
NASA-MSFC, Marshall Space Flight Center AL 35898
D. B. Poker
Affiliation:
Solid State Division, Oak Ridge National Laboratory, Oak Ridge TN
D. K. Hensley
Affiliation:
Solid State Division, Oak Ridge National Laboratory, Oak Ridge TN
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Abstract

The implantation of metal ions into photorefractive materials followed by thermal annealing leads to an increase in resonance optical absorption as well as an enhancement of the nonlinear optical properties. We have implanted ions of Au (3.6 MeV), Ag (1.5 MeV) and Cu (2.0 MeV) into pure silica followed by careful heat treatment. Using optical absorption spectrophotometry and rutherford backscattering spectrometry we have measured the cluster size for each heat treatment temperature and determined the activation energies for their formation. The third order electric susceptibility for silica with 2 nm gold clusters has been determined by Z-scan to be 65×10−8 esu.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 457: Symposium V – Nanophase and Nanocomposite Materials II , 1996 , 143
Copyright
Copyright © Materials Research Society 1997

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References

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