Swift heavy ion induced modification on the optical, mechanical and dielectric behaviour of GLS single crystals

P. Mythili; T. Kanagasekaran; S. Stella Mary; D. Kanjilal; R. Gopalakrishnan

doi:10.1016/j.nimb.2007.11.065

Swift heavy ion induced modification on the optical, mechanical and dielectric behaviour of GLS single crystals

P. Mythili, T. Kanagasekaran, S. Stella Mary, D. Kanjilal, R. Gopalakrishnan

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Pure single crystals of glycine lithium sulphate (GLS) were irradiated at room temperature with 100 MeV silver ions at fluences varying from 10¹⁰ to10¹² ions/cm² from the 15 UD Pelletron facility at Inter University Accelerator Center (IUAC), New Delhi. The virgin as well as irradiated GLS single crystals were characterized by photoluminescence at room temperature under 2.55 eV blue excitation and UV-Vis absorption to study the radiation induced defects. The ion-induced changes have also been studied with respect to their mechanical response using Vicker's micro hardness technique. The structural changes were analyzed by means of powder X-ray diffraction analysis. The effect of swift heavy ion beam on dielectric dispersion is explained in detail.

Original language	English
Pages (from-to)	1737-1740
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	266
Issue number	8
DOIs	https://doi.org/10.1016/j.nimb.2007.11.065
Publication status	Published - 2008 Apr 1

Keywords

Crystal defects
Irradiation effect
Optical absorption
Photoluminescence
Swift heavy ion

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Mythili, P., Kanagasekaran, T., Mary, S. S., Kanjilal, D., & Gopalakrishnan, R. (2008). Swift heavy ion induced modification on the optical, mechanical and dielectric behaviour of GLS single crystals. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 266(8), 1737-1740. https://doi.org/10.1016/j.nimb.2007.11.065

Swift heavy ion induced modification on the optical, mechanical and dielectric behaviour of GLS single crystals. / Mythili, P.; Kanagasekaran, T.; Mary, S. Stella; Kanjilal, D.; Gopalakrishnan, R.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 266, No. 8, 01.04.2008, p. 1737-1740.

Research output: Contribution to journal › Article › peer-review

Mythili, P, Kanagasekaran, T, Mary, SS, Kanjilal, D & Gopalakrishnan, R 2008, 'Swift heavy ion induced modification on the optical, mechanical and dielectric behaviour of GLS single crystals', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 266, no. 8, pp. 1737-1740. https://doi.org/10.1016/j.nimb.2007.11.065

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abstract = "Pure single crystals of glycine lithium sulphate (GLS) were irradiated at room temperature with 100 MeV silver ions at fluences varying from 1010 to1012 ions/cm2 from the 15 UD Pelletron facility at Inter University Accelerator Center (IUAC), New Delhi. The virgin as well as irradiated GLS single crystals were characterized by photoluminescence at room temperature under 2.55 eV blue excitation and UV-Vis absorption to study the radiation induced defects. The ion-induced changes have also been studied with respect to their mechanical response using Vicker's micro hardness technique. The structural changes were analyzed by means of powder X-ray diffraction analysis. The effect of swift heavy ion beam on dielectric dispersion is explained in detail.",

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