Ion irradiation as a tool for modifying the surface and optical properties of plasma polymerised thin films

Grant, Daniel S., Bazaka, Kateryna, Siegele, Rainer, Holt, Stephen A., & Jacob, Mohan (2015) Ion irradiation as a tool for modifying the surface and optical properties of plasma polymerised thin films. Nuclear Instruments & Methods in Physics Research Section B, 360, pp. 54-59.

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Abstract

Radio frequency (R.F.) glow discharge polyterpenol thin films were prepared on silicon wafers and irradiated with I10+ ions to fluences of 1 × 1010 and 1 × 1012 ions/cm2. Post-irradiation characterisation of these films indicated the development of well-defined nano-scale ion entry tracks, highlighting prospective applications for ion irradiated polyterpenol thin films in a variety of membrane and nanotube-fabrication functions. Optical characterisation showed the films to be optically transparent within the visible spectrum and revealed an ability to selectively control the thin film refractive index as a function of fluence. This indicates that ion irradiation processing may be employed to produce plasma-polymer waveguides to accommodate a variety of wavelengths. XRR probing of the substrate-thin film interface revealed interfacial roughness values comparable to those obtained for the uncoated substrate's surface (i.e., both on the order of 5 Å), indicating minimal substrate etching during the plasma deposition process.

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ID Code: 92056
Item Type: Journal Article
Refereed: Yes
Keywords: plasma polymerisation, thin films, swift heavy ions, XRR, ellipsometry
DOI: 10.1016/j.nimb.2015.07.109
ISSN: 1872-9584
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2015 Elsevier
Deposited On: 20 Jan 2016 23:05
Last Modified: 21 Jan 2016 21:14

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