Simulation of the Penetration Range Distribution for Nitrogen Ions Implanted into the Plant Seed at Low Energy

  • Following the widespread application of ion beam biological technology, more experimental researches on low energy ion impletation into plant seeds has been conducted. In the studies of the physical mechanism, the emphasis are put on the depth and concentration distribution of the ions implanted into the seeds at low energy. The calculations directly using the LSS theory and the TRIM program for the distribution of ions implanted into seeds at low energy are not in agreement with the experimental results. With considering targets and correctting LSS theory according to the distinguishing texture of plant seeds, we calculated the penetration range distribution for vanadium ions implanted into peanut seed at 200keV and for titanium ions energy implanted into the cotton seed at 20keV in two dimension approximation by using the Monte-Carlo method. The calculation results are in agreemante with experiments. After implated into the peanut seed or the cotton seed, the nitrogen ion range distribution, whith coold not be measured so far, was also calculated with the same initial condition and theory model. This could be a preliminary method for calculation of the range distribution of nitrogen implated into seeds at low energy.
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  • [1] . YU Zeng-Liang. Chinese Physics, 1997, 26(6): 333-338(in Chinese)(余增量,物理, 26(6): 333-338)2. WEI Zeng-Quan et al. Nucl. Instrum. Methods, 1995, 95:3713. WANG Lin-Xiang, WANG Shi-Heng. Journal of Xinjiang University (Natural Science Edition), 2005, 22(2): 172-177. (in Chinese)(王林香,王世亨,新疆大学学报(自然科学版), 2005, 22(2):172-177)4. Linddand J et al. Dan. Vid. Selsk, 1964, 34: 15. WEI Zeng-Quan, LIU Yu-Yan, WANG Gui-Lin et al. Jour-nal of Radiation Research and Radiation Processing, 1993,11(2): 14-15 (in Chinese)(卫增泉,刘玉岩,王桂林等辐射研究与辐射公益学报, 1993,11(2): 14-15)6. Aluora S K(India). Chemistry and Biochemistry of the Bean. Translated by Gao Jian. Beijing: Science Press, 1987(in Chinese)(阿罗拉 SK(印),豆类的化学和生物化学。高健译,北京:科学出版社 1987)7. LU Ting et al. Chinese Physics, 2001, 10(2): 1458. PEI Lu-Cheng, ZHANG Xiao-Ze. Monte-Carlo Method and Application of it on Measurement of Particle Transport Problem. Beijing: Science Press, 1980 (in Chinese)(裴鹿成,张孝泽,蒙特卡罗方法及其在粒子运输问题中的作用。北京:科学出版社 1980)9. William H Press et al. Numerial Recipes in Fortran 77: The Art of Scientic Computing. Beijing: Library of Congress Cataloguing in Publication Data, 199710. WANG Xin-Fu, LU Ting et al. Atomic Energy Science and Technology, 2002, 36(6): 531-534 (in Chinese)(汪新福,陆挺等,原子能科学技术 2002, 36(6): 531-534)11. YANG Hui-Ling, FAN Zhao-Tian, LUO Jian-Min et al.Journal of Xinjiang University (Natural Science Edition),2004, 21(2): 150 (in Chinese)(杨慧玲,范兆田,骆建敏等,新疆大学学报(自然科学版) 2004,21(2): 150)
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WANG Lin-Xiang, ZHU Heng-Jiang, WANG Shi-Heng and WANG Xian-Ming. Simulation of the Penetration Range Distribution for Nitrogen Ions Implanted into the Plant Seed at Low Energy[J]. Chinese Physics C, 2007, 31(3): 311-315.
WANG Lin-Xiang, ZHU Heng-Jiang, WANG Shi-Heng and WANG Xian-Ming. Simulation of the Penetration Range Distribution for Nitrogen Ions Implanted into the Plant Seed at Low Energy[J]. Chinese Physics C, 2007, 31(3): 311-315. shu
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Received: 2006-04-23
Revised: 2006-09-20
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Simulation of the Penetration Range Distribution for Nitrogen Ions Implanted into the Plant Seed at Low Energy

    Corresponding author: WANG Lin-Xiang,
  • Department of Physics, Xinjiang Normal University, Urumuqi 830054, China2 Department of Physics, Xinjiang University, Urumuqi 830046, China

Abstract: Following the widespread application of ion beam biological technology, more experimental researches on low energy ion impletation into plant seeds has been conducted. In the studies of the physical mechanism, the emphasis are put on the depth and concentration distribution of the ions implanted into the seeds at low energy. The calculations directly using the LSS theory and the TRIM program for the distribution of ions implanted into seeds at low energy are not in agreement with the experimental results. With considering targets and correctting LSS theory according to the distinguishing texture of plant seeds, we calculated the penetration range distribution for vanadium ions implanted into peanut seed at 200keV and for titanium ions energy implanted into the cotton seed at 20keV in two dimension approximation by using the Monte-Carlo method. The calculation results are in agreemante with experiments. After implated into the peanut seed or the cotton seed, the nitrogen ion range distribution, whith coold not be measured so far, was also calculated with the same initial condition and theory model. This could be a preliminary method for calculation of the range distribution of nitrogen implated into seeds at low energy.

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