Bulletin of the American Physical Society
75th Annual Gaseous Electronics Conference
Volume 67, Number 9
Monday–Friday, October 3–7, 2022;
Sendai International Center, Sendai, Japan
The session times in this program are intended for Japan Standard Time zone in Tokyo, Japan (GMT+9)
Session EW5: Plasma Surface Interaction II
2:30 PM–4:00 PM,
Wednesday, October 5, 2022
Sendai International Center
Room: Hagi
Chair: Summit Agarwal, Colorado School of Mines
Abstract: EW5.00002 : Implementation of Interatomic Potential for Charged Particle Collision*
2:45 PM–3:00 PM
Presenter:
Yuto Toda
(National Institute for Fusion Science)
Authors:
Yuto Toda
(National Institute for Fusion Science)
Arimichi Takayama
(National Institute for Fusion Science)
Atsushi M Ito
(National Institute for Fusion Science)
The ZBL potential model can only treat interaction between two neutral atoms. Therefore, the BCA simulation with the ZBL potential model corresponds to the neutral atom irradiation. In reality, however, the incident ions from plasma are charged particles.
In this study, we develop an interatomic potential model which can treat the interaction between an ion and a neutral atom. The interaction potential between an ion and a neutral atom constructed by ReGZ potential model was larger than the interaction potential between neutral atoms.
*The present work was supported by KAKENHI(19H011882 and 19K21870). The calculation for DFT was performed on "Plasma Simulator" (NEC SX-Aurora TSUBASA) in NIFS with the support and under the auspices of the NIFS Collaboration Research program (NIFS22KISS027).
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