KMC simulation of helium bubble formation in alpha-Fe

Xun Guo; Xitong Zhang; Jianming Xue; Weisen Li

doi:10.1016/j.nimb.2012.12.108

KMC simulation of helium bubble formation in alpha-Fe

Xun Guo
, Xitong Zhang
, Jianming Xue^*
, Weisen Li

^*Corresponding author for this work

Peking University

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

We use Kinetic Monte Carlo (KMC) method to investigate the evolution of Helium-Vacancy clusters under different conditions with emphasizing the influence of system temperature. Our simulation results indicate that when initial helium concentration increases, the size and amount of the Helium-Vacancy cluster will increase dramatically. The Helium-Vacancy cluster will become larger accompanied with a decrease in its amount as the temperature increases. The results also indicate that irradiating He-contained sample produces less helium bubbles compared with other conditions, adding helium during irradiating the sample or adding helium atoms after the sample have been irradiated. Crown

Original language	English
Pages (from-to)	77-80
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	307
DOIs	https://doi.org/10.1016/j.nimb.2012.12.108
Publication status	Published - 2013
Externally published	Yes

Keywords

Asynchronous effect
BCC iron
Helium-Vacancy cluster
KMC
Multi-scale simulation

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10.1016/j.nimb.2012.12.108

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title = "KMC simulation of helium bubble formation in alpha-Fe",

abstract = "We use Kinetic Monte Carlo (KMC) method to investigate the evolution of Helium-Vacancy clusters under different conditions with emphasizing the influence of system temperature. Our simulation results indicate that when initial helium concentration increases, the size and amount of the Helium-Vacancy cluster will increase dramatically. The Helium-Vacancy cluster will become larger accompanied with a decrease in its amount as the temperature increases. The results also indicate that irradiating He-contained sample produces less helium bubbles compared with other conditions, adding helium during irradiating the sample or adding helium atoms after the sample have been irradiated. Crown",

keywords = "Asynchronous effect, BCC iron, Helium-Vacancy cluster, KMC, Multi-scale simulation",

author = "Xun Guo and Xitong Zhang and Jianming Xue and Weisen Li",

year = "2013",

doi = "10.1016/j.nimb.2012.12.108",

language = "English",

volume = "307",

pages = "77--80",

journal = "Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms",

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}

TY - JOUR

T1 - KMC simulation of helium bubble formation in alpha-Fe

AU - Guo, Xun

AU - Zhang, Xitong

AU - Xue, Jianming

AU - Li, Weisen

PY - 2013

Y1 - 2013

N2 - We use Kinetic Monte Carlo (KMC) method to investigate the evolution of Helium-Vacancy clusters under different conditions with emphasizing the influence of system temperature. Our simulation results indicate that when initial helium concentration increases, the size and amount of the Helium-Vacancy cluster will increase dramatically. The Helium-Vacancy cluster will become larger accompanied with a decrease in its amount as the temperature increases. The results also indicate that irradiating He-contained sample produces less helium bubbles compared with other conditions, adding helium during irradiating the sample or adding helium atoms after the sample have been irradiated. Crown

AB - We use Kinetic Monte Carlo (KMC) method to investigate the evolution of Helium-Vacancy clusters under different conditions with emphasizing the influence of system temperature. Our simulation results indicate that when initial helium concentration increases, the size and amount of the Helium-Vacancy cluster will increase dramatically. The Helium-Vacancy cluster will become larger accompanied with a decrease in its amount as the temperature increases. The results also indicate that irradiating He-contained sample produces less helium bubbles compared with other conditions, adding helium during irradiating the sample or adding helium atoms after the sample have been irradiated. Crown

KW - Asynchronous effect

KW - BCC iron

KW - Helium-Vacancy cluster

KW - KMC

KW - Multi-scale simulation

UR - https://www.scopus.com/pages/publications/84885178200

U2 - 10.1016/j.nimb.2012.12.108

DO - 10.1016/j.nimb.2012.12.108

M3 - Article

AN - SCOPUS:84885178200

SN - 0168-583X

VL - 307

SP - 77

EP - 80

JO - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

ER -

KMC simulation of helium bubble formation in alpha-Fe

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Keywords

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