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Inverse iteration algorithm for neutron depth profiling

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Abstract

This work is based on the method of Monte Carlo simulation and probabilistic inversion for neutron depth profiling. The depth and concentration distribution of boron in a silicon matrix material is calculated. According to NDP experimental configuration at CARR, the energy spectra of a standard sample (SRM2137) are measured and simulated using MCNP and Geant4 software, and the concentration-depth profile of boron in SRM2137 is obtained by adopting an inverse iteration method through MATLAB software. It is shown that the inverse iteration calculation for NDP is feasible.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (11275276, 11475266).

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Authors and Affiliations

  1. China Institute of Atomic Energy, Xinzhen, Fangshan district, Beijing, 102413, China

    Cong Shi, Cai-jin Xiao, Yong-gang Yao, Wei-xu Yun, Bang-fa Ni, Xiang-chun Jin, Ping-sheng Wang, Xu-dong Liu & Chan-juan Tang

  2. Chengdu University of Technology, Chenghua Avenue, Chenghua District, Chengdu, China

    Cong Shi, Wei-xu Yun, Qing-xian Zhang & Liang-quan Ge

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  1. Cong Shi
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  2. Cai-jin Xiao
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  3. Yong-gang Yao
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  4. Wei-xu Yun
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  5. Bang-fa Ni
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  6. Xiang-chun Jin
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  7. Ping-sheng Wang
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  8. Qing-xian Zhang
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  11. Liang-quan Ge
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Correspondence to Cong Shi.

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Shi, C., Xiao, Cj., Yao, Yg. et al. Inverse iteration algorithm for neutron depth profiling. J Radioanal Nucl Chem 317, 81–85 (2018). https://doi.org/10.1007/s10967-018-5786-4

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  • DOI: https://doi.org/10.1007/s10967-018-5786-4

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