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Abstract
In-situ optical measurements during implantation of 60 keV Cu− ions, aimed at fabrication of metal nanoparticles embedded in LiNbO3 single crystals, enable us to determine conditions of stability of metal nanocomposites and, accordingly, to represent evolution of nanocomposites with the help of non-equilibrium phase diagrams. The observed saturation behavior of optical absorption of nanocomposites was attributed to formation of the structures which were dynamically stable under ion bombardment. Unlike radiation resistant substrates, such as SiO2 or Al2O3, in LiNbO3 formation of the dynamically stable structures is accompanied by surface patterning.
Acknowledgments
A part of this study was financially supported by the Budget for Nuclear Research of the MEXT, based on the screening and counseling by the Atomic Energy Commission, by the Russian Foundation for Basic Research (Grant 07-02-96414) and Federal Agency of Education of Program “Development of the Scientific Potential of High Education” (Grant RNP 2.1.1.8272).