Ultra-high aspect ratio Ni nanowires in single-crystalline InP membranes as multiferroic composite

被引:7
|
作者
Gerngross, M-D [1 ]
Chemnitz, S. [2 ]
Wagner, B. [2 ]
Carstensen, J. [1 ]
Foell, H. [1 ]
机构
[1] Univ Kiel, Inst Mat Sci, D-24143 Kiel, Germany
[2] Univ Kiel, Inst Mat Sci Mat & Proc Nanosyst Technol, D-24143 Kiel, Germany
来源
关键词
porous InP; electrochemical deposition; magnetic Ni nanowires; SILICON; ARRAYS;
D O I
10.1002/pssr.201307026
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
By a combination of chemical etching, atomic layer deposition (ALD) and galvanic deposition it became possible to produce Ni nanowires (NWs) with ultra-high aspect ratio (approximate to 1000), embedded in a semi-insulating, piezoelectric, single-crystalline InP matrix. This Letter discusses the structural and magnetic properties of these Ni NWs. They are crystalline with a preferential growth direction of the grains in 111. For H perpendicular to z, they show a very narrow hysteresis loop with a low coercivity (about 100 Oe) and a very low remanence squareness S of 0.08. So the combination of piezoelectric InP and magnetostrictive Ni forms a very promising multiferroic composite. ((c) 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
引用
收藏
页码:352 / 354
页数:3
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