AIP Advances
(Sep 2022)
Molecular dynamic simulation of Cs corrosion in Cs oven for negative ion source applications
Yiqin Zhu,
Jun Hu,
Xin Zhang,
Jie Huang,
Yuhong Xu,
Guangjiu Lei,
Shaofei Geng,
Heng Li,
Zilin Cui,
Xiaolong Li,
Yuxiang Ni,
Haifeng Liu,
Xianqu Wang,
Hai Liu,
Jun Cheng,
Junfeng Shen,
Changjian Tang
Affiliations
Yiqin Zhu
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Jun Hu
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Xin Zhang
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Jie Huang
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Yuhong Xu
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Guangjiu Lei
Southwestern Institute of Physics, Chengdu 610041, People’s Republic of China
Shaofei Geng
Southwestern Institute of Physics, Chengdu 610041, People’s Republic of China
Heng Li
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Zilin Cui
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Xiaolong Li
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Yuxiang Ni
School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031, People’s Republic of China
Haifeng Liu
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Xianqu Wang
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Hai Liu
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Jun Cheng
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Junfeng Shen
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
Changjian Tang
Institute of Fusion Science, School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610041, People’s Republic of China
DOI
https://doi.org/10.1063/5.0109224
Journal volume & issue
Vol. 12,
no. 9
Abstract
Read online
Molecular dynamic simulation is used to simulate the corrosion process of Fe or Ni in liquid Cs by Large-scale Atomic/Molecular Massively Parallel Simulator. The embedded-atom method potential is used to describe the interaction of Fe–Fe, Ni–Ni, and Cs–Cs, and Morse two-body potential is used to describe the Fe–Cs and Ni–Cs atomic interaction. Temperature is considered as a critical condition in this work. Results indicate that corrosion is easy to occur in the systems. The increase in temperature can help the process of Cs corrosion. Compared to the Ni–Cs system, the Fe–Cs system has a higher atomic concentration function. The radial distribution function shows that Cs atoms are dissolved into the substrates, but the Fe and Ni substrates are still crystalline structures. Moreover, Cs in Fe or Ni is still a liquid phase.
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