Surface damage of Ti3SiC2 by MeV iodine bombardment

	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)
刊名	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
	2013
卷号	307 页码:536-540
关键词	Titanium silicon carbide MAX phase Ion irradiation Surface damage
英文摘要	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.
学科主题	Instruments & Instrumentation; Nuclear Science & Technology; Physics
收录类别	SCI
WOS记录号	WOS:000321722200119
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/224009]
专题	高能物理研究所_多学科研究中心
推荐引用方式 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.