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Change in yhe Optical Properties of Sapphire Induced by Ion Implantation

Published online by Cambridge University Press:  10 February 2011

D. Ila ,
E. K. Williams ,
S. Sarkisov ,
D. B. Poker  and
D. K. Hensley
D. Ila*
Affiliation:
Center for Irradiation of Materials, Alabama A&M University, Normal AL 35762
E. K. Williams
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
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
*
*Corresponding author: Tel +1 205 851 5866, FAX +1 205 851 5868, ila@cim.aamu.edu
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Abstract

We have studied the formation of nano-crystals, after implantation of 2.0 MeV gold, 1.5 MeV silver, 160 keV copper and 160 keV tin into single crystal of A12O3. We also studied the change in the linear optical properties of the implanted Al2O3 before and after subsequent annealing by measuring the increase in resonance optical absorption. Applying Doyle's theory and the results obtained from Rutherford backscattering spectrometry (RBS) as well as the full width half maximum of the absorption band from Optical Absorption Photospectrometry (OAP), we measured the average size of the metallic clusters for each sample after heat treatment. The formation and crystallinity of the nanoclusters were also confirmed using transmission electron microscopy (TEM) technique.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 504: Symposium KK – Atomistic Mechanisms in Beam Synthesis & Irradiation… , 1997 , 381
Copyright
Copyright © Materials Research Society 1998

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References

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