Effect of ion beam irradiation on magnetic and structural properties of Pt/Cr/Co multilayers

被引：5
|
作者：
Tripathi, J. K. [1 ]
Kumar, Dileep [2 ]
Malar, P. [3 ]
Osipowicz, T. [3 ]
Ganesan, V. [2 ]
Gupta, A. [2 ]
Som, T. [1 ]
机构：
[1] Inst Phys, Bhubaneswar 751005, Orissa, India
[2] UGC DAE Consortium Sci Res, Indore 452017, India
[3] Natl Univ Singapore, Ctr Ion Beam Applicat, Singapore 117542, Singapore
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2008年 / 266卷 / 08期
关键词：
ion irradiation; Pt/Cr/Co multilayer; Co-Cr-Pt ternary alloy; coercivity;
D O I：
10.1016/j.nimb.2007.12.114
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This paper discusses the effect of ion beam irradiation on the magnetic and structural properties of Pt/Cr/Co multilayers. We observe Co-Cr-Pt ternary alloy phase formation in 1 MeV N+ ion irradiated [Pt (2.5 nm)/Cr (0.8 nm)/Co (3.0 nm)](x6)/Si multilayers for a fluence of 1 X 10(16) ions cm(-2) and beyond. The observed phase formation is accompanied by an enhancement in the average grain size, surface roughness and coercivity. Monte Carlo simulation has been performed to study ion-induced defect evolution and atomic displacements to correlate the above observed effects. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：1247 / 1251
页数：5
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