Indium oxide as a possible tunnel barrier in spintronic devices

被引:15
作者
Androulakis, J
Gardelis, S
Giapintzakis, J
Gagaoudakis, E
Kiriakidis, G
机构
[1] Fdn Res & Technol Hellas, Inst Elect Struct & Laser, Iraklion 71110, Greece
[2] Univ Crete, Dept Mat Sci & Technol, Iraklion 71003, Greece
[3] Univ Crete, Dept Phys, Iraklion 71003, Crete, Greece
关键词
magnetic structures; indium oxide; tunneling; magnetic tunnel junction;
D O I
10.1016/j.tsf.2004.06.162
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report the growth of ultra-thin indium oxide layers using the dc-magnetron sputtering method. We demonstrate that good quality tunnel barriers made of indium oxide can be routinely fabricated and employed in spintronic-related devices. Simple magnetic tunnel junctions (MTJs) were fabricated in a cross geometry using ex situ thermally evaporated cobalt and permalloy. Our best junctions obey the Rowell criteria for tunneling and exhibit a tunnel magnetoresistance of 15% at 100 K. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:293 / 297
页数:5
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