Nanoscale Track Diameter and Hydrogen Yield: Dependence upon Charge State of Incident Ion on Polystyrene
Nanoscale Track Diameter and Hydrogen Yield: Dependence upon Charge State of Incident Ion on Polystyrene作者机构：Department of Applied Sciences Chitkara Institute of Engineering and Technology Chandigarh India Department of Physics Indian Institute of Technology New Delhi India Department of Physics Kurukshetra University Kurukshetra India Department of Physics Punjabi University Patiala India Department of Physics RBS College Agra India Inter University Accelerator Centre New Delhi India
出 版 物：《World Journal of Condensed Matter Physics》 (凝固态物理国际期刊（英文）)
年 卷 期：2013年第3卷第1期
页 面：95-101页
学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学]
主 题：Polystyrene Heavy Ions Ion Fluence Hydrogen Depletion Cross-Section Track Radius
摘 要：The study of radiation damage of high- molecular weight substances due to MeV ion interactions is of interest for engineering and scientific applications. In the present study polystyrene (PS) was irradiated with 107Ag ions of three different charge states (q) 11+, 14+ and 25+ and of 130 MeV energy. The emission of hydrogen from PS was monitored as a function of the incident ion fluence. The experimental results showed that the hydrogen depletion per incident ion from PS varies as qn, where n was found to be 2.1 as compared to the value 2.7 to 3.0 reported in the literature. Radii of the nanometric damaged zones or ion tracks formed were analyzed from the slope of the hydrogen depletion versus ion fluence curves as a function of charge state of incident ion. These have values between 3.2 - 6.8 nm. These radii were found to depend upon the charge state of the incident ion and vary as qm, where m has the value 0.9.
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