Modifications induced by silicon and nickel ion beams in the electrical conductivity of zinc nanowires
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Abstract
This paper presents the modification in electrical conductivity of Zn nanowires under swift heavy ions irradiation at different fluences. The polycrystalline Zn nanowires were synthesized within polymeric templates, using electrochemical deposition technique and were irradiated with 80 MeV Si7+ and 110 MeV Ni8+ ion beams with fluence varying from 1 × 1012 to 3 × 1013 ions/cm2. I–V characteristics of exposed nanowires revealed a decrease in electrical conductivity with increase in ion fluence which was found to be independent of applied potential difference. But in the case of high fluence of Ni ion beam (3 × 1013 ions/cm2), electrical conductivity was found to increase with potential difference. The analysis found a significant contribution from grain boundaries scattering of conduction electrons and defects produced by ion beam during irradiation on flow of charge carriers in nanowires.
Keywords
Diffusive Scattering Order Polynomial Equation Nuclear Energy Loss Zinc Nanowires Localization Electron Phonon InteractionNotes
Acknowledgments
The authors wish to acknowledge the help provided by the Director and technical staff of pelletron group during the irradiation experiment at Inter University Accelerator Centre (IUAC), New Delhi, India.
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