High density hexagonal nickel nanowire array

被引：131
|
作者：
Nielsch, K
Wehrspohn, RB
Barthel, J
Kirschner, J
Fischer, SF
Kronmüller, H
Schweinböck, T
Weiss, D
Gösele, U
机构：
[1] Max Planck Inst Microstruct Phys, D-06120 Halle An Der Saale, Germany
[2] Max Planck Inst Met Res, D-70569 Stuttgart, Germany
[3] Univ Regensburg, Inst Appl Phys, D-93040 Regensburg, Germany
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2002年 / 249卷 / 1-2期
关键词：
nanowires; nickel; magnetic dipolar interactions; porous alumina; magnetic force microscope;
D O I：
10.1016/S0304-8853(02)00536-X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nickel nanowires were grown in highly ordered pore channels of an alumina membrane using pulsed electrodeposition. A complete metal filling of the hexagonal arranged pores with a pitch of 100 nm and a monodisperse pore diameter of approximate to 30nm was obtained. The bulk-magnetic behavior of the ferromagnetic nanowire arrays was characterized by SQUID-magnetometer measurements. Magnetic-force-microscopy investigation measurements with a variable external magnetic field were applied on magnetized and demagnetized samples. In addition, magnetic wires have been locally switched by a strong MFM tip and an external magnetic field. The MFM results show a good agreement with the bulk magnetic hysteresis loop. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：234 / 240
页数：7
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