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Surface damage of Ti3SiC2 by MeV iodine bombardment
Liu, CZ; Shi, LQ; Qi, Q; O'Connor, DJ; King, BV; Kisi, EH; Qing, XB; Wang, BY;秦秀波; Wang BY(王宝义)
2013
发表期刊NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
卷号307页码:536-540
摘要The damage produced by a 2 MeV iodine ion beam in MAX-phase Ti3SiC2 polycrystalline targets at room temperature has been studied at doses up to 3 x 10(15) ions cm(-2). The evolution of microstructure and induced defects of the irradiated sample with different doses was surveyed by combining grazing incident X-ray diffraction (GIXRD) using synchrotron radiation and variable energy positron beam analysis (PBA). With increasing irradiation dose, the crystallinity degrades gradually and leads to a combination of damaged Ti3SiC2 in combination with the precipitation of a Tic(x) phase. For high dose irradiation, a nano-dispersed Tic(x) phase becomes the dominant component. The PBA measurements indicate the formation of a new large vacancy-type defect that could be a cluster or void. The combination of GIXRD and PBA demonstrates that the damage of the MAX phase is more serious in the first 10 nm surface layer than that in the deeper layers closer to the final resting position of the projectile in the solid. The possible damage mechanisms have been discussed. (C) 2013 Elsevier B.V. All rights reserved.
关键词Titanium silicon carbide MAX phase Ion irradiation Surface damage
学科领域Instruments & Instrumentation; Nuclear Science & Technology; Physics
DOI10.1016/j.nimb.2013.03.021
收录类别SCI
WOS记录号WOS:000321722200119
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224009
专题多学科研究中心
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GB/T 7714
Liu, CZ,Shi, LQ,Qi, Q,et al. Surface damage of Ti3SiC2 by MeV iodine bombardment[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2013,307:536-540.
APA Liu, CZ.,Shi, LQ.,Qi, Q.,O'Connor, DJ.,King, BV.,...&王宝义.(2013).Surface damage of Ti3SiC2 by MeV iodine bombardment.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,307,536-540.
MLA Liu, CZ,et al."Surface damage of Ti3SiC2 by MeV iodine bombardment".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 307(2013):536-540.
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