Thermal spike response and irradiation-damage evolution of a defective YAlO3 crystal to electronic excitation
Liu, Y; Huang, Q; Xue, HZ; Crespillo, ML; Liu, P; Wang, XL
2018
发表期刊JOURNAL OF NUCLEAR MATERIALS
ISSN0022-3115
卷号499页码:312-316
文章类型期刊论文
摘要Understanding the mechanism of ion-solid interactions and the responses of materials to energetic ion irradiation is fundamentally important to study the irradiation-damage behaviors and evaluate the irradiation-damage tolerances of functional materials working in artificial and natural radiation environments. In this work, an approach utilizing low-and high-energy ion irradiation is utilized to study the coupling effect between nuclear collision and electronic excitation related to an ion-irradiation-induced damage event. Microstructural analysis shows that, compared to the damage-free crystal, electronic excitation induces more considerable irradiation damage in the nuclear-collision-damaged crystal. Utilizing the inelastic thermal spike model, the evolution of the lattice temperature is calculated, revealing that, compared to the damage-free crystal, the local energy diffusion in the nuclear-collision-damaged crystal is suppressed and the irradiation-damage level is increased. This should be attributed to the decrease of the thermal conductivity and increase of the electron-phonon coupling in the nuclearcollision- damaged region. (C) 2017 Elsevier B.V. All rights reserved.
关键词Strontium-titanate Ion irradiatIon Track Formation Conductivity Temperature Nuclear Sio2
DOI10.1016/j.jnucmat.2017.11.052
收录类别SCI
语种英语
WOS记录号WOS:000425106800033
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29186
专题中科院上海应用物理研究所2011-2018年
作者单位1.Liu, Y
2.Huang, Q
3.Xue, HZ
4.Crespillo, ML
5.Liu, P
6.Wang, XL
推荐引用方式
GB/T 7714
Liu, Y,Huang, Q,Xue, HZ,et al. Thermal spike response and irradiation-damage evolution of a defective YAlO3 crystal to electronic excitation[J]. JOURNAL OF NUCLEAR MATERIALS,2018,499:312-316.
APA Liu, Y,Huang, Q,Xue, HZ,Crespillo, ML,Liu, P,&Wang, XL.(2018).Thermal spike response and irradiation-damage evolution of a defective YAlO3 crystal to electronic excitation.JOURNAL OF NUCLEAR MATERIALS,499,312-316.
MLA Liu, Y,et al."Thermal spike response and irradiation-damage evolution of a defective YAlO3 crystal to electronic excitation".JOURNAL OF NUCLEAR MATERIALS 499(2018):312-316.
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