Dielectric response of polyethersulphone (PES) polymer irradiated with 145 MeV Ne{sup 6+} ions
- Centre of Excellence in Materials Science (Nanomaterials), Department of Applied Physics, Z.H. College of Engg. and Tech., Aligarh Muslim University, Aligarh-202002 (India)
- University School of Basic and Applied Sciences, G.G.S.I.P. University, Delhi-110403 (India)
- Centre of Excellence in Materials Science (Nanomaterials), Department of Applied Physics, Z.H. College of Engg. and Tech., Aligarh Muslim University, Aligarh-202002 (India) and Vivekananda College of Technology and Management Aligarh-202002 (India)
Heavy ion irradiation produces modifications in polymers and adapts their electrical, chemical and optical properties in the form of rearrangement of bonding, cross-linking, chain scission and formation of carbon rich clusters. Modification depends on the ion, its energy and fluence and the polymeric material. In the present work, a study of the dielectric response of pristine and heavy ion irradiated Polyethersulphone (PES) polymer film is carried out. 250 {mu}m thick PES films were irradiated to the fluences of 10{sup 12} and 10{sup 13} ions/cm{sup 2} with Ne{sup 6+} ions of 145 MeV energy from Variable Energy Cyclotron Centre, Kolkata On irradiation with heavy ions dielectric constant ({epsilon} Prime ) decreases at higher frequencies and increases with fluences. Variation of loss factor (tan {delta}) with frequency for pristine and irradiated with Si ions reveals that tan {delta} increases as the frequency increases. The tan{delta} also increases with fluence. Tan {delta} has positive values indicating the dominance of inductive behavior.
- OSTI ID:
- 22115974
- Journal Information:
- AIP Conference Proceedings, Vol. 1512, Issue 1; Conference: 57. DAE solid state physics symposium 2012, Mumbai (India), 3-7 Dec 2012; Other Information: (c) 2013 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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