Influence of oxygen ion implantation on the free volume parameters and electrical conductivity of a polymer-based bakelite RPC detector material

Kumar K. V. Aneesh; Kumaraswamy G. N.; Ranganathaiah C.; Ravikumar H. B.

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Influence of oxygen ion implantation on the free volume parameters and electrical conductivity of a polymer-based bakelite RPC detector material

机译：氧离子植入对聚合物基胶凝式探测器材料的自由体积参数和电导率的影响

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We have investigated the effect of ion implantation on structural modification and the electrical conductivity of Bakelite-resistive plate chamber (RPC) detector material used in high energy physics experiments. Samples of Bakelite polymer were exposed to 100 keV and 150 keV oxygen ions in the fluence of 10(12) to 10(15) ions cm(-2). Ion implantation induced microstructural changes have been studied using positron annihilation lifetime spectroscopy, X-ray diffraction and Fourier transform infrared techniques. Positron lifetime parameters viz., o-Ps lifetime and its intensity showed formation of radicals, secondary ions due to the creation of interior tracks by high-energy ions followed by chain scission at lower fluence of 100 keV implantation. The decreased free volume size at 150 keV ion implantation is an indication of crosslinking and filling up of interior tracks by the implanted ions. Variation of ac conductivity with frequency obeys Jonscher power law at 100 keV and the conduction mechanism is explained by barrier hopping model. (C) 2017 Wiley Periodicals, Inc.

机译：我们研究了离子植入对高能物理实验中使用的粘胶电阻板室（RPC）检测器材料的结构改性和导电性的影响。将胶质聚合物的样品暴露于100keV和150keV氧离子的流量，其流量为10（12）至10（15）cm（-2）。使用正电子湮没寿命光谱，X射线衍射和傅立叶变换红外技术研究了离子植入诱导的微观结构变化。正电子寿命参数viz，o-ps寿命及其强度显示了自由基的形成，次级离子由于高能离子的内部轨道，然后在较低的流量较低的100kev植入较低的裂缝。在150keV离子注入下的自由体积尺寸减小是通过植入离子交联和填充内部轨道的指示。障碍跳跃模型解释了与100keV的频率Obeys Jonscher电力法的交流电导率的变化。（c）2017 Wiley期刊，Inc。

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《Journal of Applied Polymer Science》 |2017年第24期|共10页
作者
Kumar K. V. Aneesh; Kumaraswamy G. N.; Ranganathaiah C.; Ravikumar H. B.;
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Univ Mysore Dept Studies Phys Manasagangotri 570006 Mysuru India;

Amrita Vishwa Vidyapeetham Amrita Sch Engn Dept Phys Bengaluru 560035 India;

JSS Tech Inst JSSTI Campus Mysuru 570006 India;

Univ Mysore Dept Studies Phys Manasagangotri 570006 Mysuru India;

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正文语种 eng
中图分类高分子化合物工业（高聚物工业）;
关键词
ageing; crosslinking; free volume; morphology;

机译：老化;交联;自由体积;形态;

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1. Influence of oxygen ion implantation on the free volume parameters and electrical conductivity of a polymer-based bakelite RPC detector material [J] . Kumar K. V. Aneesh, Kumaraswamy G. N., Ranganathaiah C., Journal of Applied Polymer Science . 2017,第23a24期

机译：氧离子植入对聚合物基胶凝式探测器材料的自由体积参数和电导率的影响
2. Oxygen ion implantation induced structural modifications and electrical conductivity in glass RPC detector materials: A positron lifetime study [J] . Kumar K. V. Aneesh, Krishnaveni S., Nambissan P. M. G., Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites . 2017,第期

机译：氧气离子注入诱导玻璃RPC探测器材料中的结构修改和导电性：正电子寿命研究
3. Effect of Ar(+)Ion Implantation-Induced Microstructural Modifications on Electrical Conductivity of Glass RPC Detector Materials [J] . Kumar K. V. Aneesh, Ravikumar H. B. Journal of Electronic Materials . 2020,第10期

机译：Ar（+）离子注入诱导的微结构改性对玻璃RPC探测器材料电导率的影响
4. Oxygen Ion Implantation Induced Microstructural Changes and Electrical Conductivity in Bakelite RPC Detector Material [C] . K.V. Aneesh Kumar, C. Ranganathaiah, G.N. Kumarswamy, International Conference on Condensed Matter and Applied Physics . 2016

机译：氧离子植入诱导胶石RPC探测器材料中的微观结构变化和电导率
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Influence of oxygen ion implantation on the free volume parameters and electrical conductivity of a polymer-based bakelite RPC detector material

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