Electrical behavior of silver particulate films deposited on 8 MeVelectron beam irradiated softened polystyrene substrates

Pattabi, Manjunatha and Gurumurthy, S C and Sanjeev, Ganesh and Gaikwad, A B (2011) Electrical behavior of silver particulate films deposited on 8 MeVelectron beam irradiated softened polystyrene substrates. Journal of material Science: Materials in Electronics, 22 (8). pp. 1095-1100. ISSN 0957-4522

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Abstract

Results of the investigations carried out on the electrical behavior of silver particulate films deposited on electron beam irradiated polystyrene (PS) coated substrates held at a temperature of 455 K in a vacuum of 8 9 10-6 torr at a constant deposition rate of 0.4 nm/s are reported. It is known that when metals are evaporated on to softened polymer substrates, subsurface particulate structures are formed whose morphology is dependent on deposition parameters. Further, it was shown that the morphology is dependent on polymer-metal interaction. The present work demonstrates that the polymer-metal interaction can be brought about in inert polymers like PS by electron irradiation. The results indicate that the films deposited on PS irradiated to a dose of 20 and 25 kGy gives rise to smaller clusters with smaller inter-cluster separation, better suited for sensor applications. The induced polymer-metal interaction is attributed to the creation of free radicals due to the 8 MeV electron irradiation

Item Type: Article
Subjects: Engineering > MIT Manipal > Physics
Depositing User: MIT Library
Date Deposited: 04 Dec 2015 16:39
Last Modified: 10 Dec 2015 16:03
URI: http://eprints.manipal.edu/id/eprint/144692

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