Applications of Nd:Yag Lasers: From Nano-Structures to Nuclei

G. A. Shafeev
Institute of the Russian Academy of Sciences, Moscow, Russian Federation

Series: Materials Science and Technologies
BISAC: TEC021000

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Volume 10

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Special issue: Resilience in breaking the cycle of children’s environmental health disparities
Edited by I Leslie Rubin, Robert J Geller, Abby Mutic, Benjamin A Gitterman, Nathan Mutic, Wayne Garfinkel, Claire D Coles, Kurt Martinuzzi, and Joav Merrick

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A review of experimental results is presented on the use of pulsed Nd:YAG lasers in nano-structuring of solids. Nano-structuring of solids (Ag, Au, Ti) is described under their ablation in liquids with the use of a Nd:YAG lasers. Some part of the target material is dispersed into the surrounding liquid as nanoparticles, while the target surface is covered by an array of self-organized nanostructures. Nano-structuring of Ag, Au, Ti and other metals under their ablation in water is overviewed. Recent results are presented on the initiation of nuclear decays under the exposure of nanoparticles in aqueous solutions of salts of unstable elements, such as U or Th, to harmonics of a Nd:YAG laser. The suggested possible mechanisms of laser initiation of nuclear decays are discussed on the basis of amplification of the field of the laser radiation on laser-generated nano-entities. (Imprint: Nova)

Abstract

Introduction

Nanostructuring of metals under laser ablation in liquid environment

Nano-Structuring of Ag and Au

Nanostructuring of other metals by Laser Ablation in Liquids

Optical Properties

Generation of nanoparticles under laser ablation of solids in liquids

Shape-selective fragmentation

Laser Initiation of Nuclear Decays on Metallic Nanoparticles

Ablation of a Bulk Gold Target in Aqueous Solution of UO2Cl2

Change of nuclides activities under exposure of a bulk Au target to the third harmonics of a Nd:YAG laser in aqueous solution of UO2Cl2

Accelerated alpha-decay under exposure of Au NPs in aqueous solution of 232U salt

Possible mechanisms of laser-induced accelerated decay

Conclusion

Acknowledgments

References

Index

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